List of Historic Civil Engineering Landmarks

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The following is a list of Historic Civil Engineering Landmarks as designated by the American Society of Civil Engineers since it began the program in 1964. The designation is granted to projects, structures, and sites in the United States (National Historic Civil Engineering Landmarks) and the rest of the world (International Historic Civil Engineering Landmarks). As of 2019, there are over 280 landmarks that have been approved by the ASCE Board of Direction.[1][2][3][4] Sections or chapters of the American Society of Civil Engineers may also designate state or local landmarks within their areas; those landmarks are not listed here.

Ref# Year designated Name Image Built Location
Coordinates
Region/state Country Category
1 1966 Bollman Truss Bridge NewBridgeElevation.jpg 1869 Savage
39°8′5.4″N 76°49′30.3″W / 39.134833°N 76.825083°W / 39.134833; -76.825083 (Bollman Truss Bridge)
Maryland United States bridges
2 1967 Bidwell Bar Bridge OldBidwellBarBridge OrovilleCA.jpg 1856 Oroville
39°32′14.8″N 121°27′15.6″W / 39.537444°N 121.454333°W / 39.537444; -121.454333 (Bidwell Bar Bridge)
California United States bridges
3 1967 Erie Canal Kirkville-olderie1.JPG 1825 Hudson River to Lake Erie
43°2′35.6″N 76°1′20.2″W / 43.043222°N 76.022278°W / 43.043222; -76.022278 (Erie Canal)
New York United States water transportation
4 1967 Middlesex Canal Shawsheen River Aqueduct, Middlesex Canal, Massachusetts.JPG 1803 Middlesex County
42°30′21.4″N 71°9′25.8″W / 42.505944°N 71.157167°W / 42.505944; -71.157167 (Middlesex Canal)
Massachusetts United States water transportation
5 1968 Central Pacific Railroad Trestle CPRR.jpg 1863–1869 Sacramento eastward
38°34′57″N 121°30′22.8″W / 38.58250°N 121.506333°W / 38.58250; -121.506333 (Central Pacific Railroad)
California United States roads & rails
6 1968 Durango-Silverton Branch of the D&RGW RR DurangoSilverton2.jpg 1882 Durango
37°35′27.7″N 107°46′41.6″W / 37.591028°N 107.778222°W / 37.591028; -107.778222 (Durango-Silverton Branch of the D&RGW RR)
Colorado United States roads & rails
7 1968 Ellicott's Stone Ellicott's Stone 01.JPG 1799 Mobile
30°59′52″N 88°1′21.1″W / 30.99778°N 88.022528°W / 30.99778; -88.022528 (Ellicott's Stone)
Alabama United States boundaries & surveys
8 1968 Acequias of San Antonio Aqueduct 01.jpg 1718 San Antonio
29°19′57.1″N 98°27′41.1″W / 29.332528°N 98.461417°W / 29.332528; -98.461417 (Acequias of San Antonio)
Texas United States water supply & control
9 1968 Joining of the Rails - Transcontinental Railroad East west shaking hands by russell.jpg 1869 Promontory
41°37′4.7″N 112°33′5.8″W / 41.617972°N 112.551611°W / 41.617972; -112.551611 (Joining of the Rails - Transcontinental Railroad)
Utah United States roads & rails
10 1968 Wheeling Suspension Bridge WheelingSuspBridge.jpg 1849 Wheeling
40°4′12.8″N 80°43′36.7″W / 40.070222°N 80.726861°W / 40.070222; -80.726861 (Wheeling Suspension Bridge)
West Virginia United States bridges
11 1969 Alvord Lake Bridge HAER-Alvord Lake.jpg 1889 San Francisco
37°46′8.4″N 122°27′17.6″W / 37.769000°N 122.454889°W / 37.769000; -122.454889 (Alvord Lake Bridge)
California United States bridges
12 1969 Charleston - Hamburg Railroad SouthCarolinaRR RoadMap1833.jpg 1833 Charleston
32°47′22.9″N 79°56′15.8″W / 32.789694°N 79.937722°W / 32.789694; -79.937722 (Charleston - Hamburg Railroad)
South Carolina United States roads & rails
13 1970 Ascutney Mill Dam Ascutney Mill.jpg 1834 Windsor
43°28′35″N 72°23′44.5″W / 43.47639°N 72.395694°W / 43.47639; -72.395694 (Ascutney Mill Dam)
Vermont United States dams
14 1970 Bridgeport Covered Bridge Bridgeport Covered Bridge2.jpg 1862 Nevada County
39°17′34.2″N 121°11′41.7″W / 39.292833°N 121.194917°W / 39.292833; -121.194917 (Bridgeport Covered Bridge)
California United States bridges
15 1970 Cornish–Windsor Covered Bridge Cornish windsor bridge.jpg 1866, rebuilt 1988 Windsor to Cornish
43°28′25.3″N 72°23′2.1″W / 43.473694°N 72.383917°W / 43.473694; -72.383917 (Cornish–Windsor Covered Bridge)
Vermont and New Hampshire United States bridges
16 1970 Frankford Avenue Bridge Frankford-Avenue-Bridge.jpg 1697 Philadelphia
40°2′36.7″N 75°1′14″W / 40.043528°N 75.02056°W / 40.043528; -75.02056 (Frankford Avenue Bridge)
Pennsylvania United States bridges
17 1970 Potowmack Canal and Locks Potomac-Canal-Historic-District.JPG 1799 Great Falls
38°59′25.3″N 77°14′58.1″W / 38.990361°N 77.249472°W / 38.990361; -77.249472 (Potowmack Canal and Locks)
Virginia United States water transportation
18 1970 Theodore Roosevelt Dam & Salt River Project Roosevelt dam 1915.jpg 1911 33°40′17.9″N 111°9′40.8″W / 33.671639°N 111.161333°W / 33.671639; -111.161333 (Theodore Roosevelt Dam & Salt River Project) Arizona United States water supply & control
19 1970 Union Canal Tunnel Union Canal Tunnel LebCo PA 1.jpg 1828 Lebanon
40°20′58.5″N 76°27′41″W / 40.349583°N 76.46139°W / 40.349583; -76.46139 (Union Canal Tunnel)
Pennsylvania United States water transportation
20 1971 Bethlehem Waterworks Waterworks, Monocacy Creek vicinity, Bethlehem (Northampton County, Pennsylvania).jpg 1761 Bethlehem
40°37′8.7″N 75°22′58.2″W / 40.619083°N 75.382833°W / 40.619083; -75.382833 (Bethlehem Waterworks)
Pennsylvania United States water supply & control
21 1971 Druid Lake Dam 1871 Baltimore
39°19′7″N 76°37′53″W / 39.31861°N 76.63139°W / 39.31861; -76.63139 (Druid Lake Dam)
Maryland United States dams
22 1971 Eads Bridge Eads Bridge construction.jpg 1874 St. Louis
38°37′44″N 90°10′43.3″W / 38.62889°N 90.178694°W / 38.62889; -90.178694 (Eads Bridge)
Missouri United States bridges
23 1971 First Owens River - Los Angeles Aqueduct Cat45-mojave.jpg 1913 Owens Valley
36°58′32.4″N 118°12′38″W / 36.975667°N 118.21056°W / 36.975667; -118.21056 (First Owens River - Los Angeles Aqueduct)
California United States water supply & control
24 1971 Mormon Tabernacle Mormon Tabernacle 1870s.jpg 1867 Salt Lake City
40°46′13.6″N 111°53′35.3″W / 40.770444°N 111.893139°W / 40.770444; -111.893139 (Mormon Tabernacle)
Utah United States buildings
25 1972 Cabin John Aqueduct Cabin John Bridge MD aka Union Arch drawing 1859.jpg 1863 Cabin John
38°58′22″N 77°8′54.9″W / 38.97278°N 77.148583°W / 38.97278; -77.148583 (Cabin John Aqueduct)
Maryland United States water supply & control
26 1972 Chesbroughs Water Supply System Chicago HARRISON-CRIB-1910.jpg 1869 Chicago
41°53′49.8″N 87°37′27.9″W / 41.897167°N 87.624417°W / 41.897167; -87.624417 (Chesbroughs Water Supply System Chicago)
Illinois United States water supply & control
27 1972 Brooklyn Bridge New York City Brooklyn Bridge - Currier & Ives 1877.jpg 1883 New York City
40°42′22″N 73°59′48.8″W / 40.70611°N 73.996889°W / 40.70611; -73.996889 (Brooklyn Bridge)
New York United States bridges
28 1972 Gunnison Tunnel GunnTunn1909.jpg 1909 Montrose
38°29′36″N 107°43′17″W / 38.49333°N 107.72139°W / 38.49333; -107.72139 (Gunnison Tunnel)
Colorado United States tunnels
29 1972 Roebling's Delaware Aqueduct of the Delaware & Hudson Canal Roebling's Delaware Aqueduct Side View 3000px.jpg 1848, restored 1983 Lackawaxen to Minisink Ford
41°28′57.5″N 74°59′4.1″W / 41.482639°N 74.984472°W / 41.482639; -74.984472 (Roebling's Delaware Aqueduct of the Delaware & Hudson Canal)
Pennsylvania & New York United States water transportation
30 1972 Miami Conservancy District Miami Conservancy District Building, Dayton, Ohio.jpg 1922 near Dayton
39°45′49.2″N 84°11′29.2″W / 39.763667°N 84.191444°W / 39.763667; -84.191444 (Miami Conservancy District)
Ohio United States water supply & control
31 1973 Buffalo Bill Dam BuffaloBillDam.jpg 1910 Cody
44°30′5.3″N 109°10′59.4″W / 44.501472°N 109.183167°W / 44.501472; -109.183167 (Buffalo Bill Dam)
Wyoming United States dams
32 1973 Cheesman Reservoir Cheesman Dam and Lake CO-A-0046.jpg 1905 Southwest of Denver
39°12′27″N 105°16′20.1″W / 39.20750°N 105.272250°W / 39.20750; -105.272250 (Cheesman Reservoir)
Colorado United States dams
33 1973 Embudo Stream Gauging Station Near Velarde, NM, U.S. Geological Survey Rio Grande Embudo Gaging Station, 2011 - panoramio.jpg 1889 Embudo
36°12′18.4″N 105°57′49.2″W / 36.205111°N 105.963667°W / 36.205111; -105.963667 (Embudo Stream Gauging Station)
New Mexico United States water supply & control
34 1973 Ingalls Building Ingalls building cincinnati 2006.jpg 1903 Cincinnati
39°6′1″N 84°30′45.1″W / 39.10028°N 84.512528°W / 39.10028; -84.512528 (Ingalls Building)
Ohio United States buildings
35 1973 Pelton Impulse Water Wheel Pelton wheel (patent).png 1878 Camptonville
39°27′7″N 121°2′55″W / 39.45194°N 121.04861°W / 39.45194; -121.04861 (Pelton Impulse Water Wheel)
California United States power generation
36 1973 Starrucca Viaduct HAER-Starrucca 1.jpg 1848 Lanesboro
41°57′51.3″N 75°35′0.6″W / 41.964250°N 75.583500°W / 41.964250; -75.583500 (Starrucca Viaduct)
Pennsylvania United States bridges
37 1974 Kansas City Park and Boulevard System Paseo pergola Kansas City MO.jpg 1893 to 1915 Kansas City
39°4′57″N 94°33′18″W / 39.08250°N 94.55500°W / 39.08250; -94.55500 (Kansas City Park and Boulevard System)
Missouri United States civil engineering profession
38 1974 Milwaukee Metropolitan Sewage Treatment Plant, home of Milorganite[5] Milwaukee Metropolitan Sewerage District.jpg 1919 Milwaukee
43°1′21.3″N 87°53′57.3″W / 43.022583°N 87.899250°W / 43.022583; -87.899250 (Milwaukee Metropolitan Sewage Treatment Plant)
Wisconsin United States water supply & control
39 1974 Philadelphia Municipal Water Supply BlakeCollectionDuettsTitle.png 1801 Philadelphia
39°57′56″N 75°10′51″W / 39.96556°N 75.18083°W / 39.96556; -75.18083 (Philadelphia Municipal Water Supply)
Pennsylvania United States water supply & control
40 1974 Stone Arch Bridge StoneArchBridge3.jpg 1883 Minneapolis
44°58′50.8″N 93°15′12.3″W / 44.980778°N 93.253417°W / 44.980778; -93.253417 (Stone Arch Bridge)
Minnesota United States bridges
41 1975 Castillo de San Marcos Fort2.jpg 1695 St. Augustine
29°53′52″N 81°18′41″W / 29.89778°N 81.31139°W / 29.89778; -81.31139 (Castillo de San Marcos)
Florida United States buildings
42 1975 Croton Water Supply System DoubleArch1907.jpg 1842 New York City
41°0′42.5″N 73°52′36.4″W / 41.011806°N 73.876778°W / 41.011806; -73.876778 (Croton Water Supply System)
New York United States water supply & control
43 1975 Folsom Hydroelectric Power System FolsomPowerHouse.jpg 1895 Folsom
38°40′46.6″N 121°10′37.2″W / 38.679611°N 121.177000°W / 38.679611; -121.177000 (Folsom Hydroelectric Power System)
California United States power generation
44 1975 Granite Railway Granite Railway - General view of incline to Quarry from Northwest.jpg 1826 Quincy
42°14′44.6″N 71°2′9″W / 42.245722°N 71.03583°W / 42.245722; -71.03583 (Granite Railway)
Massachusetts United States roads & rails
45 1975 Hoosac Tunnel West portal of Hoosac Tunnel 1911 postcard.jpg 1875 Berkshire County
42°40′31.1″N 73°2′45.1″W / 42.675306°N 73.045861°W / 42.675306; -73.045861 (Hoosac Tunnel)
Massachusetts United States tunnels
46 1975 Lawrence Experiment Station Lawrence Experiment Station - DSC03524.JPG 1886 Lawrence
42°41′53.8″N 71°9′55.7″W / 42.698278°N 71.165472°W / 42.698278; -71.165472 (Lawrence Experiment Station)
Massachusetts United States civil engineering profession
47 1975 Marlette Lake Water System Marlette Lake dhReno.jpg 1873 to 1887 Virginia City
39°13′9.5″N 119°47′20.1″W / 39.219306°N 119.788917°W / 39.219306; -119.788917 (Marlette Lake Water System)
Nevada United States water supply & control
48 1975 Mount Washington Cog Railway Marsh rack system of the Mount Washington Cog Railway.jpg 1869 Mount Washington
44°16′26″N 71°19′55″W / 44.27389°N 71.33194°W / 44.27389; -71.33194 (Mount Washington Cog Railway)
New Hampshire United States roads & rails
49 1975 Smithfield Street Bridge Smithfield Street Bridge.jpg 1883 Pittsburgh
40°26′5.4″N 80°0′7.7″W / 40.434833°N 80.002139°W / 40.434833; -80.002139 (Smithfield Street Bridge)
Pennsylvania United States bridges
50 1975 Tunkhannock Viaduct Nicholson-Viaduct.JPG 1915 Nicholson
41°37′34.2″N 75°46′34.4″W / 41.626167°N 75.776222°W / 41.626167; -75.776222 (Tunkhannock Viaduct)
Pennsylvania United States bridges
51 1976 Crozet's Blue Ridge Tunnel Blueridgetunnel.jpg 1858 Waynesboro
38°2′3.1″N 78°51′28.4″W / 38.034194°N 78.857889°W / 38.034194; -78.857889 (Crozet's Blue Ridge Tunnel)
Virginia United States tunnels
52 1976 Cumbres and Toltec Scenic Railroad Cumbres & Toltec Scenic Railroad excursion train headed by locomotive 484 in 2015.jpg 1880 Chama, New Mexico to Antonito, Colorado
36°59′42″N 106°17′51.1″W / 36.99500°N 106.297528°W / 36.99500; -106.297528 (Cumbres and Toltec Scenic Railroad)
New Mexico and Colorado United States roads & rails
53 1976 Elephant Butte Dam Elephant butte dike.jpg 1916 Truth or Consequences
33°9′14.9″N 107°11′31.3″W / 33.154139°N 107.192028°W / 33.154139; -107.192028 (Elephant Butte Dam)
New Mexico United States dams
54 1976 First Concrete Pavement Court Avenue in Bellefontaine.jpg 1893 Bellefontaine
40°21′37.5″N 83°45′33.6″W / 40.360417°N 83.759333°W / 40.360417; -83.759333 (First Concrete Pavement)
Ohio United States roads & rails
55 1976 International Boundary Marker No. 1[6] International Boundary Marker No. 1, U.S. and Mexico - View from north.jpg 1855 Doña Ana County
31°47′2″N 106°31′47.1″W / 31.78389°N 106.529750°W / 31.78389; -106.529750 (International Boundary Marker No. 1)
New Mexico United States boundaries & surveys
56 1976 King's Road 1766 to 1775 New Smyrna
29°38′23.4″N 81°16′50.3″W / 29.639833°N 81.280639°W / 29.639833; -81.280639 (King's Road)
Florida United States roads & rails
57 1976 National Road National road map.png 1811–1839 Cumberland, Maryland to Vandalia, Illinois
39°57′38.7″N 82°27′2″W / 39.960750°N 82.45056°W / 39.960750; -82.45056 (National Road)
Midwest United States roads & rails
58 1977 Charlestown Naval Dry Dock Dry Dock 1.JPG 1833 Boston
42°22′23.7″N 71°3′19.3″W / 42.373250°N 71.055361°W / 42.373250; -71.055361 (Charlestown Naval Dry Dock)
Massachusetts United States water transportation
59 1977 City Plan of Savannah SavannahCityPlan1770.jpg 1733 Savannah
32°4′32″N 81°5′31″W / 32.07556°N 81.09194°W / 32.07556; -81.09194 (City Plan of Savannah)
Georgia United States civil engineering profession
60 1977 Great Falls Raceway and Power System Great Falls of the Passaic River, April 18, 2007.jpg 1800 Paterson
40°54′55.1″N 74°10′52.1″W / 40.915306°N 74.181139°W / 40.915306; -74.181139 (Great Falls Raceway and Power System)
New Jersey United States power generation
61 1977 First New York Subway NYCS Maps IRT 1904.jpg 1904 New York City
40°42′45.3″N 74°0′24.2″W / 40.712583°N 74.006722°W / 40.712583; -74.006722 (First New York Subway)
New York United States roads & rails
62 1977 Mason–Dixon line Mason-dixon-line.gif 1767 39°43′16.1″N 80°7′5.3″W / 39.721139°N 80.118139°W / 39.721139; -80.118139 (Mason–Dixon line) Maryland & Pennsylvania United States boundaries & surveys
63 1977 Minot's Ledge Lighthouse Minot light.gif 1860 off Scituate
42°16′11″N 70°45′32.9″W / 42.26972°N 70.759139°W / 42.26972; -70.759139 (Minot's Ledge Lighthouse)
Massachusetts United States water transportation
64 1977 Mullan Road Mullan Road as it crosses SR 26 near Washtucna IMG 1257.jpg 1862 Walla Walla
46°46′8.3″N 118°12′22.6″W / 46.768972°N 118.206278°W / 46.768972; -118.206278 (Mullan Road)
Washington United States roads & rails
65 1977 Gosport Naval Dry Docks DrydockNumber1.jpg 1833 Portsmouth
36°49′14″N 76°17′35″W / 36.82056°N 76.29306°W / 36.82056; -76.29306 (Gosport Naval Dry Docks)
Virginia United States water transportation
66 1977 Reversal of the Chicago River Chicago-Sanitary-and-Ship-Canal.jpg 1900 Chicago
41°42′18″N 87°56′2″W / 41.70500°N 87.93389°W / 41.70500; -87.93389 (Reversal of the Chicago River)
Illinois United States water transportation
67 1977 Vulcan Street Plant PaperDiscoveryCenterAppletonWI.jpg 1882 Appleton
44°15′29.2″N 88°23′50.2″W / 44.258111°N 88.397278°W / 44.258111; -88.397278 (Vulcan Street Plant)
Wisconsin United States power generation
68 1977 William E. Ward House William E Ward House, Rye Brook, NY-Greenwich, CT.jpg 1876 Rye
41°1′32.5″N 73°40′3.1″W / 41.025694°N 73.667528°W / 41.025694; -73.667528 (William E. Ward House)
New York United States buildings
69 1978 Boston Subway Platforms at Park Street Station, 1898.jpg 1897 Boston
42°21′23.8″N 71°3′43.6″W / 42.356611°N 71.062111°W / 42.356611; -71.062111 (Boston Subway)
Massachusetts United States roads & rails
70 1978 Dunlap's Creek Bridge Dunlap creek bridge jet lowe 1983.jpg 1839 Brownsville
40°1′17.2″N 79°53′17.2″W / 40.021444°N 79.888111°W / 40.021444; -79.888111 (Dunlap's Creek Bridge)
Pennsylvania United States bridges
71 1978 Hudson and Manhattan Railroad Tunnel PATH junction.jpg 1908 Jersey City to New York City
40°43′56.7″N 74°1′11.6″W / 40.732417°N 74.019889°W / 40.732417; -74.019889 (Hudson and Manhattan Railroad Tunnel)
New Jersey & New York United States tunnels
72 1978 Newark International Airport Newark Airport.JPG 1928 Newark
40°41′22.2″N 74°10′28.2″W / 40.689500°N 74.174500°W / 40.689500; -74.174500 (Newark International Airport)
New Jersey United States aviation
73 1978 United States Military Academy USMA Aerial View Looking North.jpg 1813 West Point
41°23′34.8″N 73°57′28.8″W / 41.393000°N 73.958000°W / 41.393000; -73.958000 (United States Military Academy)
New York United States civil engineering profession
74 1979 Cleveland Hopkins Airport Cleveland Hopkins International Airport recent satellite view.png 1925 Cleveland
41°24′45″N 81°50′53″W / 41.41250°N 81.84806°W / 41.41250; -81.84806 (Cleveland Hopkins Airport)
Ohio United States aviation
75 1979 Fink Deck Truss Bridge Bridges 20.png 1870 Lynchburg
37°26′24.3″N 79°9′56″W / 37.440083°N 79.16556°W / 37.440083; -79.16556 (Fink Deck Truss Bridge)
Virginia United States bridges
76 1979 Fink Through Truss Bridge Hamden fink truss 1971 boucher.jpg 1858 Hamden
40°36′14.3″N 74°54′8.1″W / 40.603972°N 74.902250°W / 40.603972; -74.902250 (Fink Through Truss Bridge)
New Jersey United States bridges
77 1979 Iron Bridge Ironbridge 6.jpg 1779 Ironbridge
52°37′38.4″N 2°29′7.6″W / 52.627333°N 2.485444°W / 52.627333; -2.485444 (Iron Bridge)
West Midlands England bridges
78 1979 Moffat Tunnel Image Moffat west2a.jpg 1928 Winter Park
39°53′37.5″N 105°42′41.3″W / 39.893750°N 105.711472°W / 39.893750; -105.711472 (Moffat Tunnel)
Colorado United States tunnels
79 1979 Rockville Bridge Rockville Bridge PA.jpg 1902 Harrisburg
40°19′59.9″N 76°54′38.8″W / 40.333306°N 76.910778°W / 40.333306; -76.910778 (Rockville Bridge)
Pennsylvania United States bridges
80 1980 Goodyear Airdock Goodyear Airdock exterior.jpg 1929 Akron
41°1′54.9″N 81°28′14.6″W / 41.031917°N 81.470722°W / 41.031917; -81.470722 (Goodyear Airdock)
Ohio United States aviation
81 1980 Hydraulic-Inclined Plane System of the Morris Canal Morris Canal Plane 7 West from HAER (cropped).tiff 1831 Waterloo Village
40°54′55.2″N 74°21′23.8″W / 40.915333°N 74.356611°W / 40.915333; -74.356611 (Hydraulic-Inclined Plane System of the Morris Canal)
New Jersey United States water transportation
82 1981 Borden Base Line Borden Base Line - Massachusetts map, 1871.jpg 1831 Hatfield
42°25′33.7″N 72°37′9″W / 42.426028°N 72.61917°W / 42.426028; -72.61917 (Borden Base Line)
Massachusetts United States boundaries & surveys
83 1981 Chain of Rocks Water Purification Plant Chain of Rocks Water Purification Plant.jpg 1904 St. Louis
38°45′18.5″N 90°11′11.6″W / 38.755139°N 90.186556°W / 38.755139; -90.186556 (Chain of Rocks Water Purification Plant)
Missouri United States water supply & control
84 1981 Charles River Basin Project Charles River Esplanade, Boston, Massachusetts.JPG 1910 Boston
42°22′3.8″N 71°4′12.8″W / 42.367722°N 71.070222°W / 42.367722; -71.070222 (Charles River Basin Project)
Massachusetts United States water supply & control
85 1981 Cortland Street Drawbridge CortlandStDrawbridge.jpg 1902 Chicago
41°55′1.1″N 87°39′51.4″W / 41.916972°N 87.664278°W / 41.916972; -87.664278 (Cortland Street Drawbridge)
Illinois United States bridges
86 1981 George Washington Bridge George Washington Bridge from New Jersey 2.jpg 1931 Fort Lee to New York City
40°51′6.1″N 73°57′9.7″W / 40.851694°N 73.952694°W / 40.851694; -73.952694 (George Washington Bridge)
New Jersey & New York United States bridges
87 1981 Louisville Water Works Louisville water tower.jpg 1875 to 1896 Louisville
38°16′50″N 85°42′4.3″W / 38.28056°N 85.701194°W / 38.28056; -85.701194 (Louisville Water Works)
Kentucky United States water supply & control
88 1981 Montgomery Bell's Tunnel Montgomery Bell Tunnel.jpg 1818 Cheatham County
36°8′48.5″N 87°7′19.3″W / 36.146806°N 87.122028°W / 36.146806; -87.122028 (Montgomery Bell's Tunnel)
Tennessee United States tunnels
89 1981 Snoqualmie Falls Cavity Generating Station Snoqualmie power plant cutaway - 1900.jpg 1899 Snoqualmie
47°32′39.5″N 121°50′29.3″W / 47.544306°N 121.841472°W / 47.544306; -121.841472 (Snoqualmie Falls Cavity Generating Station)
Washington United States power generation
90 1981 Union Station Stl-union-station.jpg 1894 St. Louis
38°37′41.2″N 90°12′28.8″W / 38.628111°N 90.208000°W / 38.628111; -90.208000 (Union Station)
Missouri United States roads & rails
91 1981 Washington Monument WashingtonMonumentTidalBasin.JPG 1885 Washington
38°53′22.1″N 77°2′6.9″W / 38.889472°N 77.035250°W / 38.889472; -77.035250 (Washington Monument)
District of Columbia United States buildings
92 1981 Whipple Truss Bridge Whipple Cast - Wrought Iron Bowstring Truss Bridge.jpg 1855 Schenectady
42°49′5.2″N 73°55′27″W / 42.818111°N 73.92417°W / 42.818111; -73.92417 (Whipple Truss Bridge)
New York United States bridges
93 1982 Carrollton Viaduct Carrollton-viaduct.jpg 1829 Baltimore
39°16′31.5″N 76°39′18″W / 39.275417°N 76.65500°W / 39.275417; -76.65500 (Carrollton Viaduct)
Maryland United States bridges
94 1982 Detroit-Windsor Tunnel DWTunnel.JPG 1930 Detroit
42°19′28″N 83°2′25.4″W / 42.32444°N 83.040389°W / 42.32444; -83.040389 (Detroit-Windsor Tunnel)
Michigan United States tunnels
95 1982 Eads South Pass Navigation Works Eads South Pass Navigation Works - Bird's-eye view of the Jetties.png 1879 Port Eads
28°59′50″N 89°8′38″W / 28.99722°N 89.14389°W / 28.99722; -89.14389 (Eads South Pass Navigation Works)
Louisiana United States water transportation
96 1982 Holland Tunnel Holland tunnel.jpg 1927 Jersey City to New York City
40°43′38.9″N 74°1′16″W / 40.727472°N 74.02111°W / 40.727472; -74.02111 (Holland Tunnel)
New Jersey & New York United States tunnels
97 1982 John A. Roebling Suspension Bridge CovingtonKY JARoeblingBridge.jpg 1866 Cincinnati
39°5′34.8″N 84°30′35.6″W / 39.093000°N 84.509889°W / 39.093000; -84.509889 (John A. Roebling Suspension Bridge)
Ohio United States bridges
98 1982 Kinzua Railway Viaduct Phot kinzuabridge2.jpg 1882 McKean County
41°45′47.3″N 78°35′21.1″W / 41.763139°N 78.589194°W / 41.763139; -78.589194 (Kinzua Railway Viaduct)
Pennsylvania United States bridges
99 1982 Rogue River Bridge IsaacLeePattersonBridgeSE.jpg 1931 Gold Beach
42°25′40.5″N 124°24′47.5″W / 42.427917°N 124.413194°W / 42.427917; -124.413194 (Rogue River Bridge)
Oregon United States bridges
100 1982 Second Street Bridge 2nd street bridge sign.jpg 1886 Allegan
42°31′32.7″N 85°50′54.6″W / 42.525750°N 85.848500°W / 42.525750; -85.848500 (Second Street Bridge)
Michigan United States bridges
101 1982 Watertown Arsenal Watertown Arsenal, building -71 (Watertown, MA).jpg 1859 Watertown
42°21′44″N 71°9′58″W / 42.36222°N 71.16611°W / 42.36222; -71.16611 (Watertown Arsenal)
Massachusetts United States civil engineering profession
102 1983 Atlantic City Convention Hall Atlantic City Convention Hall, On Boardwalk, West of Mississippi Avenue, Atlantic City (Atlantic County, New Jesey).jpg 1929 Atlantic City
39°21′18″N 74°26′19.1″W / 39.35500°N 74.438639°W / 39.35500; -74.438639 (Atlantic City Convention Hall)
New Jersey United States buildings
103 1983 Bailey Island Bridge BaileyIslandBridge.jpg 1928 Harpswell
43°44′57.1″N 69°59′19.3″W / 43.749194°N 69.988694°W / 43.749194; -69.988694 (Bailey Island Bridge)
Maine United States bridges
104 1983 Blenheim Bridge BlenheimBridge HAER cropped.jpg 1855 North Blenheim
42°28′18.4″N 74°26′29.4″W / 42.471778°N 74.441500°W / 42.471778; -74.441500 (Blenheim Bridge)
New York United States bridges
105 1983 Iron Building of the U.S. Army Arsenal Watervliet Arsenal museum.GIF 1859 Watervliet
42°43′5.9″N 73°42′14.5″W / 42.718306°N 73.704028°W / 42.718306; -73.704028 (Iron Building of the U.S. Army Arsenal)
New York United States buildings
106 1983 Ohio Canal System Ohio Canal.jpg 1848 Akron
40°52′39.2″N 81°35′1.4″W / 40.877556°N 81.583722°W / 40.877556; -81.583722 (Ohio Canal System)
Ohio United States water transportation
107 1983 Peavey–Haglin Experimental Concrete Grain Elevator Peavey–Haglin Experimental Concrete Grain Elevator.jpg 1900 St. Louis Park
44°56′32.7″N 93°20′42.8″W / 44.942417°N 93.345222°W / 44.942417; -93.345222 (Peavey–Haglin Experimental Concrete Grain Elevator)
Minnesota United States buildings
108 1983 Sault Ste. Marie Hydroelectric Complex Soo Michigan hydro.jpg 1902 Sault Ste. Marie
46°29′50.8″N 84°19′55.7″W / 46.497444°N 84.332139°W / 46.497444; -84.332139 (Sault Ste. Marie Hydroelectric Complex)
Michigan United States power generation
109 1984 Columbia River Scenic Highway HCRH gorge view.jpg 1922 Portland
45°39′19.3″N 121°54′13.2″W / 45.655361°N 121.903667°W / 45.655361; -121.903667 (Columbia River Scenic Highway)
Oregon United States roads & rails
110 1984 Columbia-Wrightsville Bridge Columbia-Wrightsville Bridge.jpg 1930 Columbia
40°1′42.4″N 76°31′5.6″W / 40.028444°N 76.518222°W / 40.028444; -76.518222 (Columbia-Wrightsville Bridge)
Pennsylvania United States bridges
111 1984 Golden Gate Bridge GoldenGateBridge-001.jpg 1937 San Francisco
37°49′11.7″N 122°28′42.7″W / 37.819917°N 122.478528°W / 37.819917; -122.478528 (Golden Gate Bridge)
California United States bridges
112 1984 Hoover Dam Hoovernewbridge.jpg 1935 Boulder City
36°0′57.7″N 114°44′14.8″W / 36.016028°N 114.737444°W / 36.016028; -114.737444 (Hoover Dam)
Nevada & Arizona United States dams
113 1984 Lowell Waterpower System Canal system in Lowell, Massachusetts.jpg 1821 Lowell
42°38′48.5″N 71°18′41.6″W / 42.646806°N 71.311556°W / 42.646806; -71.311556 (Lowell Waterpower System)
Massachusetts United States power generation
114 1984 Panama Canal Panama Canal Gatun Locks.jpg 1914 9°7′2.2″N 79°43′7.6″W / 9.117278°N 79.718778°W / 9.117278; -79.718778 (Panama Canal) Panama water transportation
115 1984 Rocky River Pumped Storage Hydro-Plant 1925 New Milford
41°34′49.7″N 73°26′13.2″W / 41.580472°N 73.437000°W / 41.580472; -73.437000 (Rocky River Pumped Storage Hydro-Plant)
Connecticut United States power generation
116 1985 Bayonne Bridge Bayonne bridge from Port Richmond.jpg 1931 Bayonne to Staten Island
40°38′29.8″N 74°8′31.6″W / 40.641611°N 74.142111°W / 40.641611; -74.142111 (Bayonne Bridge)
New Jersey & New York United States bridges
117 1985 Beginning Point of the U.S. Public Land Survey Beginning Point of the U.S. Public Land Survey front.jpg 1785 Liverpool
40°38′19.7″N 80°31′8.4″W / 40.638806°N 80.519000°W / 40.638806; -80.519000 (Beginning Point of the U.S. Public Land Survey)
Ohio United States boundaries & surveys
118 1985 Cape Cod Canal Cape Cod Canal - Railroad Bridge.jpg 1914 Barnstable County
41°45′51.1″N 70°34′6.3″W / 41.764194°N 70.568417°W / 41.764194; -70.568417 (Cape Cod Canal)
Massachusetts United States water transportation
119 1985 Chesapeake and Delaware Canal Chesapeake and Delaware Canal eastern entrance.jpg 1828 (rebuilt 1927) New Castle
39°32′34″N 75°43′14″W / 39.54278°N 75.72056°W / 39.54278; -75.72056 (Chesapeake and Delaware Canal)
Delaware United States water transportation
120 1985 Davis Island Lock and Dam Davis Island Dam & Lock No. 1.jpg 1885 Pittsburgh
40°29′35″N 80°3′56″W / 40.49306°N 80.06556°W / 40.49306; -80.06556 (Davis Island Lock and Dam)
Pennsylvania United States water transportation
121 1985 Forth Railway Bridge Bb-forthrailbridge.jpg 1890 56°0′1.5″N 3°23′19.4″W / 56.000417°N 3.388722°W / 56.000417; -3.388722 (Forth Railway Bridge) Scotland bridges
122 1985 Going-to-the-Sun Road Going-to-the-Sun Road-27527-2.jpg 1932 Glacier National Park
48°41′42″N 113°49′1.2″W / 48.69500°N 113.817000°W / 48.69500; -113.817000 (Going-to-the-Sun Road)
Montana United States roads & rails
123 1985 High Bridge High Bridge of Kentucky.jpg 1877 Jessamine & Mercer Counties
37°49′1.7″N 84°43′12.4″W / 37.817139°N 84.720111°W / 37.817139; -84.720111 (High Bridge)
Kentucky United States bridges
124 1985 Statue of Liberty Statue of Liberty, NY.jpg 1886 New York Harbor
40°41′21.5″N 74°2′40.4″W / 40.689306°N 74.044556°W / 40.689306; -74.044556 (Statue of Liberty)
New York[7] United States buildings
125 1986 White River Concrete Arch Bridge Cotter Bridge Spanning White River closeup.jpg 1930 Cotter
36°16′2″N 92°32′39″W / 36.26722°N 92.54417°W / 36.26722; -92.54417 (White River Concrete Arch Bridge)
Arkansas United States bridges
126 1986 Cranetown Triangulation Site Kip's Castle Park - exposed bedrock.jpg 1817 Cedar Grove
40°49′43.9″N 74°13′27.1″W / 40.828861°N 74.224194°W / 40.828861; -74.224194 (Cranetown Triangulation Site)
New Jersey United States boundaries & surveys
127 1986 Eiffel Tower Paris - Eiffelturm3.jpg 1889 Paris
48°51′30.2″N 2°17′40.2″E / 48.858389°N 2.294500°E / 48.858389; 2.294500 (Eiffel Tower)
Île-de-France France buildings
128 1986 El Camino Real CaminoRealAdentro.png 1598-1800s Santa Fe and Mexico City
34°3′38.7″N 106°53′36.6″W / 34.060750°N 106.893500°W / 34.060750; -106.893500 (El Camino Real)
New Mexico United States and Mexico roads & rails
129 1986 El Camino Real (The Royal Road) Eastern Branch Kings hwy marker.jpg from 16th century San Antonio
29°26′45.8″N 98°30′12.3″W / 29.446056°N 98.503417°W / 29.446056; -98.503417 (El Camino Real (The Royal Road) Eastern Branch)
Texas United States roads & rails
130 1986 New Castle Ice Harbor New Castle Ice Piers May 10.JPG 1974 New Castle
39°39′28″N 75°33′39″W / 39.65778°N 75.56083°W / 39.65778; -75.56083 (New Castle Ice Harbor)
Delaware United States water transportation
131 1986 Norris Dam Norris-dam-west-tn1.jpg 1936 Knoxville
36°13′28″N 84°5′31.5″W / 36.22444°N 84.092083°W / 36.22444; -84.092083 (Norris Dam)
Tennessee United States dams
132 1986 San Francisco–Oakland Bay Bridge SFOakBrWestPartVEast.jpg 1937 San Francisco to Oakland
37°47′53.6″N 122°22′40.7″W / 37.798222°N 122.377972°W / 37.798222; -122.377972 (San Francisco–Oakland Bay Bridge)
California United States bridges
133 1986 Sewall's Bridge York River & Sewall's Bridge.jpg 1761 (rebuilt 1934) York
43°8′10.2″N 70°39′38.3″W / 43.136167°N 70.660639°W / 43.136167; -70.660639 (Sewall's Bridge)
Maine United States bridges
134 1986 Triborough Bridge Project Triboro Bridge Night 2007.jpg 1936 New York City
40°47′26.6″N 73°55′33.2″W / 40.790722°N 73.925889°W / 40.790722; -73.925889 (Triborough Bridge Project)
New York United States bridges
135 1986 U.S. Army Corps of Engineers Waterways Exp. Station Waterways Experiment Station 1986.jpg 1929 Vicksburg
32°18′4.2″N 90°52′18″W / 32.301167°N 90.87167°W / 32.301167; -90.87167 (U.S. Army Corps of Engineers Waterways Exp. Station)
Mississippi United States civil engineering profession
136 1986 U.S. Capitol United States Capitol - west front.jpg 1793, rebuilt 1863 Washington
38°53′23″N 77°0′33″W / 38.88972°N 77.00917°W / 38.88972; -77.00917 (U.S. Capitol)
District of Columbia United States buildings
137 1986 Zuiderzee Enclosure Dam Afsluitdijk2006-1.JPG 1927 to 1932 Zaandam
52°59′37.5″N 5°9′19.1″E / 52.993750°N 5.155306°E / 52.993750; 5.155306 (Zuiderzee Enclosure Dam)
North Holland Netherlands water supply & control
138 1987 Allegheny Portage Railroad Alpo-incline-trail.jpg 1834 Hollidaysburg
40°27′23″N 78°33′3.4″W / 40.45639°N 78.550944°W / 40.45639; -78.550944 (Allegheny Portage Railroad)
Pennsylvania United States roads & rails
139 1987 Bonneville Dam, Columbia River System BonnevilleDam.jpg 1937 Bonneville
45°38′39.7″N 121°56′26.7″W / 45.644361°N 121.940750°W / 45.644361; -121.940750 (Bonneville Dam, Columbia River System)
Oregon United States power generation
140 1987 Bridges of Keeseville Keeseville stone bridge.jpg 1843, 1878, 1888 Keeseville
44°30′13.2″N 73°28′57.3″W / 44.503667°N 73.482583°W / 44.503667; -73.482583 (Bridges of Keeseville)
New York United States bridges
141 1987 Dismal Swamp Canal Great Dismal Swamp Canal.jpg 1805 Chesapeake to South Mills
36°35′34.1″N 76°23′5.4″W / 36.592806°N 76.384833°W / 36.592806; -76.384833 (Dismal Swamp Canal)
Virginia to North Carolina United States water transportation
142 1987 Houston Ship Channel Houston Ship Channel Barbours Cut.jpg 1837–present Houston
29°44′35.8″N 95°6′16.5″W / 29.743278°N 95.104583°W / 29.743278; -95.104583 (Houston Ship Channel)
Texas United States water transportation
143 1987 Kamehameha V Post Office Old Post Office-Honolulu.jpg 1871 Honolulu
21°18′34.6″N 157°51′47.4″W / 21.309611°N 157.863167°W / 21.309611; -157.863167 (Kamehameha V Post Office)
Hawaii United States buildings
144 1987 Frisco Bridge Memphis, Harahan, and Hernando de Soto Bridges.jpg 1892 Memphis
35°7′43.6″N 90°4′34.7″W / 35.128778°N 90.076306°W / 35.128778; -90.076306 (Frisco Bridge)
Tennessee & Arkansas United States bridges
145 1987 Quebec Bridge Pont de Québec vu du Parc aquarium du Québec.JPG 1917 Quebec City
46°44′45.6″N 71°17′17.3″W / 46.746000°N 71.288139°W / 46.746000; -71.288139 (Quebec Bridge)
Quebec Canada bridges
146 1988 Belle Fourche Dam Belle Fourche Project - Dam, Upstream Face - placing the paving - South Dakota - NARA - 294654.jpg 1911 Belle Fourche
44°43′51.3″N 103°40′36.8″W / 44.730917°N 103.676889°W / 44.730917; -103.676889 (Belle Fourche Dam)
South Dakota United States dams
147 1988 École Nationale des Ponts et Chaussées 1747 Paris
48°51′20.9″N 2°19′49.9″E / 48.855806°N 2.330528°E / 48.855806; 2.330528 (École Nationale des Ponts et Chaussées)
Île-de-France France buildings
148 1988 Keokuk Hydro-Power System Mississippi River Lock and Dam Number 19 near Keokuk Iowa.jpg 1913 Keokuk
40°23′56.6″N 91°21′49″W / 40.399056°N 91.36361°W / 40.399056; -91.36361 (Keokuk Hydro-Power System)
Iowa United States power generation
149 1988 Pennsylvania Turnpike Pennsylvania Turnpike 1942 LOC.jpg 1940 40°1′49.9″N 78°29′33.6″W / 40.030528°N 78.492667°W / 40.030528; -78.492667 (Pennsylvania Turnpike) Pennsylvania United States roads & rails
150 1988 River des Peres Sewerage & Drainage Works River des Peres Lansdowne.jpg 1924 to 1931 St. Louis
38°39′42.3″N 90°18′33.9″W / 38.661750°N 90.309417°W / 38.661750; -90.309417 (River des Peres Sewerage & Drainage Works)
Missouri United States water supply & control
151 1988 Sydney Harbour Bridge Sydney Harbour Bridge from Circular Quay.jpg 1932 Sydney
33°51′8.1″S 151°12′38.6″E / 33.852250°S 151.210722°E / -33.852250; 151.210722 (Sydney Harbour Bridge)
New South Wales Australia bridges
152 1989 Royal Colonial Boundary of 1665 1728–1819 Middlesboro
36°36′2.9″N 83°40′31.5″W / 36.600806°N 83.675417°W / 36.600806; -83.675417 (Royal Colonial Boundary of 1665)
Kentucky United States boundaries & surveys
153 1989 Zhaozhou Bridge Zhaozhou Bridge.jpg 605 AD Zhaoxian
37°43′12.9″N 114°45′47.7″E / 37.720250°N 114.763250°E / 37.720250; 114.763250 (Zhaozhou Bridge)
Hebei China bridges
154 1990 Fort Peck Dam Fort Peck Dam (Fort Peck Montana) Spillway 01.jpg 1940 Fort Peck
48°0′10.1″N 106°24′58″W / 48.002806°N 106.41611°W / 48.002806; -106.41611 (Fort Peck Dam)
Montana United States dams
155 1990 Maria Pia Bridge Ponte Maria Pia - Porto.JPG 1877 Oporto
41°8′23.4″N 8°35′49.6″W / 41.139833°N 8.597111°W / 41.139833; -8.597111 (Maria Pia Bridge)
Norte Portugal bridges
156 1990 Salginatobel Bridge Salginatobel Bridge mg 4080.jpg 1930 Grisons
46°58′54.4″N 9°43′5.1″E / 46.981778°N 9.718083°E / 46.981778; 9.718083 (Salginatobel Bridge)
Graubünden Switzerland bridges
157 1991 Eddystone Lighthouse Phare-d-Eddystone-Rocks.jpg 1882 off Plymouth
50°11′2″N 4°16′5.1″W / 50.18389°N 4.268083°W / 50.18389; -4.268083 (Eddystone Lighthouse)
England water transportation
158 1991 Fritz Engineering Laboratory 1910 Bethlehem
40°36′28.9″N 75°22′34.3″W / 40.608028°N 75.376194°W / 40.608028; -75.376194 (Fritz Engineering Laboratory)
Pennsylvania United States civil engineering profession
159 1991 St. Clair Tunnel St Clair River Tunnel - Port Huron Michigan.jpg 1891 Port Huron
42°57′32.4″N 82°25′22.2″W / 42.959000°N 82.422833°W / 42.959000; -82.422833 (St. Clair Tunnel)
Michigan United States tunnels
160 1991 Thames Tunnel Thamestunnel.jpg 1843 London
51°30′12.7″N 0°3′13.3″W / 51.503528°N 0.053694°W / 51.503528; -0.053694 (Thames Tunnel)
England tunnels
161 1992 Acquedotto Traiano-Paolo 110 AD Rome
42°3′12.9″N 12°20′18.7″E / 42.053583°N 12.338528°E / 42.053583; 12.338528 (Acquedotto Traiano-Paolo)
Lazio Italy water supply & control
162 1992 Niagara Falls Suspension Bridge Rail Road Suspension Bridge Near Niagara Falls.jpg 1849, 1855, 1883, 1898, 1941 Niagara Gorge
43°5′24.8″N 79°4′3.4″W / 43.090222°N 79.067611°W / 43.090222; -79.067611 (Niagara Falls Suspension Bridge)
Ontario and New York Canada and United States bridges
163 1992 Duck Creek Aqueduct Duck Creek Aqueduct.JPG 1846 Metamora
39°26′46.1″N 85°7′48″W / 39.446139°N 85.13000°W / 39.446139; -85.13000 (Duck Creek Aqueduct)
Indiana United States water supply & control
164 1992 Hohokam Canal System Mesa-Park of the Canals-1875 Mormon Canal.JPG 600 - 1450 AD 33°26′43.8″N 111°48′56.2″W / 33.445500°N 111.815611°W / 33.445500; -111.815611 (Hohokam Canal System) Arizona United States water supply & control
165 1992 San Jacinto Monument San Jacinto Monument.jpg 1939 Houston
29°44′59.5″N 95°4′50.6″W / 29.749861°N 95.080722°W / 29.749861; -95.080722 (San Jacinto Monument)
Texas United States buildings
166 1993 Blimp Hangars Tustin Blimp Hangar No 2.jpg 1942 Tustin
33°42′10.8″N 117°49′26.3″W / 33.703000°N 117.823972°W / 33.703000; -117.823972 (Blimp Hangars)
California United States aviation
167 1993 Denison Dam DenisonDam 01-2006.jpg 1943 Denison
33°49′52.6″N 96°34′16″W / 33.831278°N 96.57111°W / 33.831278; -96.57111 (Denison Dam)
Texas United States dams
168 1993 Hanford B Reactor Hanford B Reactor.jpg 1944 Richland
46°37′49.1″N 119°38′50.3″W / 46.630306°N 119.647306°W / 46.630306; -119.647306 (Hanford B Reactor)
Washington United States power generation
169 1993 Stevens Pass Railroad Tunnels & Switchback System CascadeTunnelWestPortal.jpg 1900 Stevens Pass
47°44′52.4″N 121°7′26.3″W / 47.747889°N 121.123972°W / 47.747889; -121.123972 (Stevens Pass Railroad Tunnels & Switchback System)
Washington United States tunnels
170 1994 Colorado River Aqueduct Wpdms shdrlfi020l colorado river aqueduct.jpg 1933–1941 Blythe
34°17′23.6″N 114°10′19.5″W / 34.289889°N 114.172083°W / 34.289889; -114.172083 (Colorado River Aqueduct)
California United States water supply & control
171 1994 Kavanagh Building Kavanagh building 15-11-2005.jpg 1936 Buenos Aires
34°35′43.7″S 58°22′28.9″W / 34.595472°S 58.374694°W / -34.595472; -58.374694 (Kavanagh Building)
Argentina buildings
172 1994 Missouri River Bridges CHAMBERLAIN BRIDGE.jpg 1926 Chamberlain
43°48′42.1″N 99°20′16.1″W / 43.811694°N 99.337806°W / 43.811694; -99.337806 (Missouri River Bridges)
South Dakota United States bridges
173 1994 Red Hill Underground Fuel Storage Facility Redhillops.jpg 1943 Honolulu
21°22′18″N 157°53′44″W / 21.37167°N 157.89556°W / 21.37167; -157.89556 (Red Hill Underground Fuel Storage Facility)
Hawaii United States tunnels
174 1994 Viaducto del Malleco Malleco viaduct2.jpg 1890 Malleco River
37°57′47″S 72°26′20″W / 37.96306°S 72.43889°W / -37.96306; -72.43889 (Viaducto del Malleco)
Central Chile Chile bridges
175 1994 White Pass and Yukon Route Yukon railway.svg 1900 Whitehorse, Yukon to Skagway, Alaska
59°37′28″N 135°8′18.3″W / 59.62444°N 135.138417°W / 59.62444; -135.138417 (White Pass and Yukon Route)
Yukon Territory to Alaska Canada & United States roads & rails
176 1995 Alaska Highway Alaska Highway1.png 1942 Dawson Creek to Delta Junction
59°54′39.6″N 131°33′20.6″W / 59.911000°N 131.555722°W / 59.911000; -131.555722 (Alaska Highway)
British Columbia to Alaska Canada & United States roads & rails
177 1995 Banaue Rice Terraces Banaue-terrace.JPG 100 BC Banaue
16°55′57.4″N 121°3′30.1″E / 16.932611°N 121.058361°E / 16.932611; 121.058361 (Banaue Rice Terraces)
Ifugao Philippines water supply & control
178 1995 Acueducto de Queretaro Acueducto de Querétaro.tec.jpg 1738 Querétaro
20°35′48″N 100°22′20.6″W / 20.59667°N 100.372389°W / 20.59667; -100.372389 (Acueducto de Queretaro)
Mexico water supply & control
179 1995 Victoria Falls Bridge Victoria Falls Bridge over Zambesi.jpg 1905 Zambezi River
17°55′41.7″S 25°51′26.1″E / 17.928250°S 25.857250°E / -17.928250; 25.857250 (Victoria Falls Bridge)
Zimbabwe & Zambia bridges
180 1996 Armour-Swift-Burlington Bridge Asb-bridge.jpg 1912 Kansas City
39°7′0″N 94°34′47.5″W / 39.11667°N 94.579861°W / 39.11667; -94.579861 (Armour-Swift-Burlington Bridge)
Missouri United States bridges
181 1996 Dublin-Belfast railway line Botanic railway station 1.jpg 1839 Dublin to Belfast
53°43′0″N 6°20′15″W / 53.71667°N 6.33750°W / 53.71667; -6.33750 (Dublin-Belfast railway line)
Ireland & Northern Ireland roads & rails
182 1996 Kentucky Dam Kentucky-dam-spillway-tva1.jpg 1944 Gilbertsville
37°0′46.4″N 88°16′10.1″W / 37.012889°N 88.269472°W / 37.012889; -88.269472 (Kentucky Dam)
Kentucky United States dams
183 1996 Lake Moeris Quarry Road 2575-2137 BC Lake Moeris
29°37′24.2″N 30°38′40.4″E / 29.623389°N 30.644556°E / 29.623389; 30.644556 (Lake Moeris Quarry Road)
Egypt roads & rails
184 1996 City Plan of Philadelphia A Map of Philadelphia and Parts Adjacent vc6b.1.jpg 1682 Philadelphia
39°57′28.6″N 75°10′14.2″W / 39.957944°N 75.170611°W / 39.957944; -75.170611 (City Plan of Philadelphia)
Pennsylvania United States civil engineering profession
185 1996 San Antonio River Walk & Flood Control System Riverwalk20.jpg 1929 to 1941 San Antonio
29°25′30.7″N 98°29′29.7″W / 29.425194°N 98.491583°W / 29.425194; -98.491583 (San Antonio River Walk & Flood Control System)
Texas United States water control & supply
186 1997 Grand Coulee Dam Grand Coulee Dam.jpg 1941 Grand Coulee
47°57′23.8″N 118°58′51.6″W / 47.956611°N 118.981000°W / 47.956611; -118.981000 (Grand Coulee Dam)
Washington United States dams
187 1997 Lake Washington Ship Canal & Hiram M. Chittenden Locks Lake Washington ship canal, Hiram M. Chittenden Locks, 1995.jpg 1917 Seattle
47°39′55.7″N 122°23′49.6″W / 47.665472°N 122.397111°W / 47.665472; -122.397111 (Lake Washington Ship Canal & Hiram M. Chittenden Locks)
Washington United States water transportation
188 1997 Navajo Bridge Navajo Bridge (May 2006).jpg 1929 Page
36°49′3.4″N 111°37′52.3″W / 36.817611°N 111.631194°W / 36.817611; -111.631194 (Navajo Bridge)
Arizona United States bridges
189 1997 North Island Main Trunk Railway Northisland NZ NIMT.png 1885–1908 Auckland to Wellington
39°13′39.8″S 175°23′55.5″E / 39.227722°S 175.398750°E / -39.227722; 175.398750 (North Island Main Trunk Railway)
North Island New Zealand roads & rails
190 1997 Northampton Street Bridge Easton-free-bridge.png 1896 Easton to Phillipsburg
40°41′29.3″N 75°12′14.4″W / 40.691472°N 75.204000°W / 40.691472; -75.204000 (Northampton Street Bridge)
Pennsylvania & New Jersey United States bridges
191 1997 Snowy Mountains Scheme Tumut3GeneratingStation.jpg 1974 Snowy Mountains
35°36′40.1″S 148°17′29.8″E / 35.611139°S 148.291611°E / -35.611139; 148.291611 (Snowy Mountains Scheme)
New South Wales Australia power generation
192 1997 Texas Commerce Bank Building (formerly Gulf, now Chase) The Gulf Building Houston Texas.jpg 1929 Houston
29°45′32″N 95°21′49.7″W / 29.75889°N 95.363806°W / 29.75889; -95.363806 (Texas Commerce Bank Building (formerly Gulf, now Chase))
Texas United States buildings
193 1997 Walnut Street Bridge Peoples bridge Susquehanna.JPG 1890 Harrisburg
40°15′27.1″N 76°53′9.8″W / 40.257528°N 76.886056°W / 40.257528; -76.886056 (Walnut Street Bridge)
Pennsylvania United States bridges
194 1998 Brooks AFB, Old Hangar 9 Brooksafb-2.jpg 1918 San Antonio
29°20′38.5″N 98°26′38.9″W / 29.344028°N 98.444139°W / 29.344028; -98.444139 (Brooks AFB, Old Hangar 9)
Texas United States aviation
195 1998 Canton Viaduct Canton Viaduct.jpg 1835 Canton
42°9′28.8″N 71°9′14.5″W / 42.158000°N 71.154028°W / 42.158000; -71.154028 (Canton Viaduct)
Massachusetts United States bridges
196 1998 Göta Canal La2-bergs.jpg 1810 to 1832 Gothenburg
58°29′53.9″N 16°10′28.9″E / 58.498306°N 16.174694°E / 58.498306; 16.174694 (Göta Canal)
Västra Götaland Sweden water transportation
197 1998 Moseley Wrought Iron Arch Bridge Moseley1.jpg 1864 North Andover
42°40′8.6″N 71°7′21.3″W / 42.669056°N 71.122583°W / 42.669056; -71.122583 (Moseley Wrought Iron Arch Bridge)
Massachusetts United States bridges
198 1998 Tehachapi Pass Railroad Line ATSF 19870400 CA Walong.jpg 1876 Kern County
35°12′3″N 118°32′13″W / 35.20083°N 118.53694°W / 35.20083; -118.53694 (Tehachapi Pass Railroad Line)
California United States roads & rails
199 1999 Acueducto de Segovia AcueductoSegovia edit1.jpg 50 AD Segovia
40°56′52.7″N 4°7′4.3″W / 40.947972°N 4.117861°W / 40.947972; -4.117861 (Acueducto de Segovia)
Castile and León Spain water supply & control
200 1999 Arroyo Seco Parkway ArroyoSecoPkwy(CA110)1940.jpg 1940 Los Angeles
34°4′23″N 118°14′2″W / 34.07306°N 118.23389°W / 34.07306; -118.23389 (Arroyo Seco Parkway)
California United States roads & rails
201 1999 Blue Ridge Parkway Blue Ridge Parkway-27527.jpg begun 1935 Shenandoah NP to Great Smokey Mountains NP
36°26′28.5″N 81°5′42.9″W / 36.441250°N 81.095250°W / 36.441250; -81.095250 (Blue Ridge Parkway)
Virginia to North Carolina United States roads & rails
202 1999 Cape Hatteras Lighthouse USCGHatteras.jpg 1870 Cape Hatteras
35°15′2″N 75°31′43.7″W / 35.25056°N 75.528806°W / 35.25056; -75.528806 (Cape Hatteras Lighthouse)
North Carolina United States water transportation
203 1999 Maine Turnpike Interstate 95 northbound, Kittery ME.jpg 1947 43°21′17.2″N 70°35′26.2″W / 43.354778°N 70.590611°W / 43.354778; -70.590611 (Maine Turnpike) Maine United States roads & rails
204 1999 McNeill Street Pumping Station Shreveport Water Works Museum December 2017 14.jpg 1887 Shreveport
32°31′3.8″N 93°45′25.9″W / 32.517722°N 93.757194°W / 32.517722; -93.757194 (McNeill Street Pumping Station)
Louisiana United States water supply & control
205 2000 Cedar Falls Water Supply Seattle water supply intake and wing dam - 1900.jpg 1901 Seattle
47°25′9.2″N 121°46′54.4″W / 47.419222°N 121.781778°W / 47.419222; -121.781778 (Cedar Falls Water Supply)
Washington United States water supply & control
206 2000 Forth and Clyde Canal and Union Canal Forth & Clyde Canal, Bonnybridge - Larbert.jpg 1790 55°56′18″N 4°9′18.8″W / 55.93833°N 4.155222°W / 55.93833; -4.155222 (Forth and Clyde Canal and Union Canal) Scotland water transportation
207 2000 Hagia Sophia Aya sofya.jpg 537 AD Istanbul
41°0′31.2″N 28°58′48.6″E / 41.008667°N 28.980167°E / 41.008667; 28.980167 (Hagia Sophia)
Istanbul Turkey buildings
208 2000 Muskingum River Navigation System Muskingum River Canal at Zanesville.jpg 1837 Zanesville
39°43′59.5″N 81°54′29.4″W / 39.733194°N 81.908167°W / 39.733194; -81.908167 (Muskingum River Navigation System)
Ohio United States water transportation
209 2000 Seventh Street Improvement Arches Seventh St Improvement Arches.jpg 1909 St. Paul
44°57′23″N 93°4′38″W / 44.95639°N 93.07722°W / 44.95639; -93.07722 (Seventh Street Improvement Arches)
Minnesota United States bridges
210 2000 West Baden Springs Hotel Inside West Baden Dome.JPG 1902 West Baden Springs
38°34′1.3″N 86°37′6.6″W / 38.567028°N 86.618500°W / 38.567028; -86.618500 (West Baden Springs Hotel)
Indiana United States buildings
211 2001 Bunker Hill Covered Bridge Bunker Hill Bridge NC.jpg 1895, rebuilt 1994 Claremont
35°43′17.5″N 81°6′54.8″W / 35.721528°N 81.115222°W / 35.721528; -81.115222 (Bunker Hill Covered Bridge)
North Carolina United States bridges
212 2001 Galveston Seawall and Grade Raising No. 3, Sea Wall, From West of Rapid Fire Battery, Fort Crockett - NARA - 278143.jpg 1904 (expanded through 1963) Galveston
29°18′9″N 94°46′27″W / 29.30250°N 94.77417°W / 29.30250; -94.77417 (Galveston Seawall and Grade Raising)
Texas United States water supply & control
213 2001 Baltimore & Ohio Roundhouse & Shop Complex B&O Roundhouse.jpg 1842 to 1850s Martinsburg
39°27′33″N 77°57′36″W / 39.45917°N 77.96000°W / 39.45917; -77.96000 (Baltimore & Ohio Roundhouse & Shop Complex)
West Virginia United States buildings
214 2002 Conwy Suspension Bridge Telford's Bridge, Conwy.jpg 1826 Conwy
53°16′49.7″N 3°49′25.6″W / 53.280472°N 3.823778°W / 53.280472; -3.823778 (Conwy Suspension Bridge)
Conwy Wales bridges
215 2002 Conwy Tubular Bridge Conwy Castle and Railway Bridge.jpg 1849 Conwy
53°16′49″N 3°49′25″W / 53.28028°N 3.82361°W / 53.28028; -3.82361 (Conwy Tubular Bridge)
Conwy Wales bridges
216 2002 Dorton Arena Dorton Arena.jpg 1952 Raleigh
35°47′38.4″N 78°42′37.3″W / 35.794000°N 78.710361°W / 35.794000; -78.710361 (Dorton Arena)
North Carolina United States buildings
217 2002 East Maui Irrigation System 1876 to 1923 East Maui
20°52′0″N 156°13′0″W / 20.86667°N 156.21667°W / 20.86667; -156.21667 (East Maui Irrigation System)
Hawaii United States water supply & control
218 2002 Five Stone Arch Bridges Second New Hampshire Turnpike Bridge.jpg 1830 to 1866 Hillsborough
43°7′49″N 71°56′41.1″W / 43.13028°N 71.944750°W / 43.13028; -71.944750 (Five Stone Arch Bridges)
New Hampshire United States bridges
219 2002 Louisville and Portland Canal Locks & Dam Portland1850s.jpg 1830, rebuilt 1962 Louisville
38°16′18.5″N 85°46′45.6″W / 38.271806°N 85.779333°W / 38.271806; -85.779333 (Louisville and Portland Canal Locks & Dam)
Kentucky United States water transportation
220 2002 Marshall Building 1906 Milwaukee
43°2′0.9″N 87°54′31.2″W / 43.033583°N 87.908667°W / 43.033583; -87.908667 (Marshall Building)
Wisconsin United States buildings
221 2002 Menai Suspension Bridge Menai Suspension Bridge.jpg 1826 Anglesey
53°13′13.1″N 4°9′48.1″W / 53.220306°N 4.163361°W / 53.220306; -4.163361 (Menai Suspension Bridge)
Wales bridges
222 2002 Old Cape Henry Light, Old Cape Henry Light NPS.jpg 1792, replaced 1881 Virginia Beach
36°55′32.8″N 76°0′29.3″W / 36.925778°N 76.008139°W / 36.925778; -76.008139 (Old Cape Henry Light)
Virginia United States water transportation
223 2002 Portland Head Light Portland Headlight 2000 3.jpg 1787 Cape Elizabeth
43°37′23.2″N 70°12′28.4″W / 43.623111°N 70.207889°W / 43.623111; -70.207889 (Portland Head Light)
Maine United States water transportation
224 2002 Shannon Hydroelectric Scheme Ardnacrusha.jpg 1929 52°42′20″N 8°36′46″W / 52.70556°N 8.61278°W / 52.70556; -8.61278 (Shannon Hydroelectric Scheme) Ireland power generation
225 2002 Waldo-Hancock Suspension Bridge HAER WaldoHancock 03 320292pv.jpg 1931 Bucksport
44°33′37.6″N 68°48′5.9″W / 44.560444°N 68.801639°W / 44.560444; -68.801639 (Waldo-Hancock Suspension Bridge)
Maine United States bridges
226 2003 Horseshoe Curve Horseshoe Curve aerial photo, March 2006.jpg 1854 Altoona
40°29′54″N 78°29′9.1″W / 40.49833°N 78.485861°W / 40.49833; -78.485861 (Horseshoe Curve)
Pennsylvania United States roads & rails
227 2003 Suez Canal SuezCanalElGuisr.jpg 1869 30°42′18″N 32°20′39″E / 30.70500°N 32.34417°E / 30.70500; 32.34417 (Suez Canal) Egypt water transportation
228 2003 Tennessee State Capitol Tennessee State Capitol 2009.jpg 1845 to 1877 Nashville
36°9′57.1″N 86°47′3.4″W / 36.165861°N 86.784278°W / 36.165861; -86.784278 (Tennessee State Capitol)
Tennessee United States buildings
229 2004 Hwaseong Fortress Bifyu 8.jpg 1796 Suwon
37°17′0″N 127°0′57.6″E / 37.28333°N 127.016000°E / 37.28333; 127.016000 (Hwaseong Fortress)
Gyeonggi-do Republic of Korea buildings
230 2004 Mesa Verde Reservoirs 249FarViewReservoir.JPG 750 to 1180 AD Montezuma County
37°14′26.3″N 108°30′16.7″W / 37.240639°N 108.504639°W / 37.240639; -108.504639 (Mesa Verde Reservoirs)
Colorado United States water supply & control
231 2004 Northern Pacific High Line Bridge No 64 View North To High Bridge -1908.JPG 1908 Valley City
46°56′18.9″N 97°59′26.9″W / 46.938583°N 97.990806°W / 46.938583; -97.990806 (Northern Pacific High Line Bridge No 64)
North Dakota United States bridges
232 2004 Old Wisla Bridge Tczew Mosty.jpg Tczew
54°5′33.7″N 18°48′22.2″E / 54.092694°N 18.806167°E / 54.092694; 18.806167 (Old Wisla Bridge)
Vistula River Poland bridges
233 2005 Great Western Railway Bristol Temple Meads Station 1838 51°37′16.2″N 1°21′26.8″W / 51.621167°N 1.357444°W / 51.621167; -1.357444 (Great Western Railway) England & Wales roads & rails
234 2005 Philadelphia City Hall City Hall Philadelphia.jpg 1901 Philadelphia
39°57′10.1″N 75°9′48.8″W / 39.952806°N 75.163556°W / 39.952806; -75.163556 (Philadelphia City Hall)
Pennsylvania United States buildings
235 2005 Sweetwater Dam PostcardSanDiegoCASweetwaterDam1907.jpg 1888 Spring Valley
32°41′29.8″N 117°0′29.2″W / 32.691611°N 117.008111°W / 32.691611; -117.008111 (Sweetwater Dam)
California United States dams
236 2005 Stanley Hydraulics Laboratory at the University of Iowa established 1919 Iowa City
41°39′25.8″N 91°32′29″W / 41.657167°N 91.54139°W / 41.657167; -91.54139 (Stanley Hydraulics Laboratory at the University of Iowa)
Iowa United States Civil Engineering Profession
237 2006 Machu Picchu Before Machu Picchu.jpg 1460 AD 13°9′48″S 72°32′44″W / 13.16333°S 72.54556°W / -13.16333; -72.54556 (Machu Picchu) Peru civil engineering profession
238 2006 Portland Observatory Portland Observatory 5-30-2005.JPG 1807 Portland
43°39′55.4″N 70°14′53.7″W / 43.665389°N 70.248250°W / 43.665389; -70.248250 (Portland Observatory)
Maine United States water transportation
239 2006 Tipon 20090903 Tipon Terrassen.JPG 1200 - 1534 AD 13°34′15″S 71°46′59″W / 13.57083°S 71.78306°W / -13.57083; -71.78306 (Tipon) Peru water supply & control
240 2007 Caledonian Canal Gairlochybottom-26Jl6-5718.jpg 1822 Great Glen
57°6′44.9″N 4°44′18.8″W / 57.112472°N 4.738556°W / 57.112472; -4.738556 (Caledonian Canal)
Scotland water transportation
241 2007 Craigellachie Bridge Moray Craigellachie bridge side on.jpg 1814 Strathspey
57°29′28.8″N 3°11′38″W / 57.491333°N 3.19389°W / 57.491333; -3.19389 (Craigellachie Bridge Moray)
Scotland bridges
242 2008 Choate Bridge Choate Bridge.jpg 1764 Ipswich
42°40′46.1″N 70°50′13.6″W / 42.679472°N 70.837111°W / 42.679472; -70.837111 (Choate Bridge)
Massachusetts United States bridges
243 2008 Goldfields Water Supply Mundaring Weir SMC9.jpg 1903 Kalgoorlie
31°57′36″S 116°10′16.7″E / 31.96000°S 116.171306°E / -31.96000; 116.171306 (Goldfields Water Supply)
Western Australia Australia water supply & control
244 2008 Lacey V. Murrow Bridge and Mount Baker Ridge Tunnels Murrow Memorial Bridge 07747.JPG 1940 King County
47°35′23.2″N 122°16′44.3″W / 47.589778°N 122.278972°W / 47.589778; -122.278972 (Lacey V. Murrow Bridge and Mount Baker Ridge Tunnels)
Washington United States bridges
245 2008 Woodhead Dam Woodhead Dam 1897 Cape Town
33°58′38.2″S 18°24′7.9″E / 33.977278°S 18.402194°E / -33.977278; 18.402194 (Woodhead Dam)
Western Cape South Africa dams
246 2009 Guayabo Ceremonial Center Monumento Nacional Guayabo (SLiM) 001.jpg 300 BC - AD 1400 Turrialba
9°58′21.7″N 83°41′26.6″W / 9.972694°N 83.690722°W / 9.972694; -83.690722 (Guayabo Ceremonial Center)
Turrialba Costa Rica civil engineering profession
247 2009 Vancouver's Mapping of the West Coast of North America George Vancouver Statue Kings Lynn.jpg 1791–1795 45°0′0″N 124°0′43″W / 45.00000°N 124.01194°W / 45.00000; -124.01194 (Vancouver's Mapping of the West Coast of North America) Canada, Mexico and United States boundaries & surveys
248 2009 Poughkeepsie-Highland Bridge PokRailBridgeEast.jpg 1886–1888 Poughkeepsie
41°42′38.5″N 73°56′41.1″W / 41.710694°N 73.944750°W / 41.710694; -73.944750 (Poughkeepsie-Highland Bridge)
New York United States bridges
249 2009 Manhattan Bridge Manhattan Bridge from Fulton Landing Park.JPG 1909 New York City
40°42′27″N 73°59′26.9″W / 40.70750°N 73.990806°W / 40.70750; -73.990806 (Manhattan Bridge)
New York United States bridges
250 2009 Queensboro Bridge Ed koch edited.jpg 1909 New York City
40°45′24.2″N 73°57′15.1″W / 40.756722°N 73.954194°W / 40.756722; -73.954194 (Queensboro Bridge)
New York United States bridges
251 2009 Williamsburg Bridge Above Williamsburg Bridge.jpg 1903 New York City
40°42′49.2″N 73°58′20.5″W / 40.713667°N 73.972361°W / 40.713667; -73.972361 (Williamsburg Bridge)
New York United States bridges
252 2010 Mackinac Bridge Mackinac Bridge.jpg 1958 Straits of Mackinac
45°48′48.8″N 84°43′42″W / 45.813556°N 84.72833°W / 45.813556; -84.72833 (Mackinac Bridge)
Michigan United States bridges
253 2010 Rensselaer Polytechnic Institute TroyBuildingPanorama.jpg 1824 Troy
42°43′48″N 73°40′39″W / 42.73000°N 73.67750°W / 42.73000; -73.67750 (Rensselaer Polytechnic Institute)
New York United States civil engineering profession
254 2011 Petra Petra Jordan BW 21.JPG 309 BC 30°19′43″N 35°26′31″E / 30.32861°N 35.44194°E / 30.32861; 35.44194 (Petra) Ma'an Governorate Jordan buildings
255 2011 Utica Memorial Auditorium Utica Memorial Auditorium Exterior- December 15, 2013.jpg 1959 Utica
43°6′17.9″N 75°14′0.5″W / 43.104972°N 75.233472°W / 43.104972; -75.233472 (Utica Memorial Auditorium)
New York United States buildings
256 2011 Flight of Five Locks Lock 2 Waterford.JPG 1915 Waterford
42°48′2.8″N 73°41′29.1″W / 42.800778°N 73.691417°W / 42.800778; -73.691417 (Flight of Five Locks)
New York United States water transportation
257 2012 Zion-Mount Carmel Tunnel and Highway West entrance to Zion Tunnel. Zion Tunnel is 6000 feet long, cut through solid sandstone. It is said to be the... - NARA - 520396.tif 1930 Zion National Park
37°12′40.7″N 112°57′29.6″W / 37.211306°N 112.958222°W / 37.211306; -112.958222 (Zion-Mount Carmel Tunnel and Highway)
Utah United States roads & rails
258 2012 Huey P. Long Bridge Hueylongbridge.jpg 1935 Jefferson Parish
29°56′38.8″N 90°10′7.6″W / 29.944111°N 90.168778°W / 29.944111; -90.168778 (Huey P. Long Bridge)
Louisiana United States bridges
259 2012 Grand Central Terminal Image-Grand central Station Outside Night 2.jpg 1913 New York City
40°45′10.3″N 73°58′37.9″W / 40.752861°N 73.977194°W / 40.752861; -73.977194 (Grand Central Terminal)
New York United States roads & rails
260 2013 Titan Clydebank crane Clydebank Titan Crane - geograph.org.uk - 1069892.jpg 1907 Clydebank
55°53′50.5″N 4°24′31.2″W / 55.897361°N 4.408667°W / 55.897361; -4.408667 (Titan Clydebank crane)
West Dunbartonshire Scotland buildings
261 2013 Waterford Bridges Troy-Waterford Bridge 1909 Troy and Waterford
42°47′19.3″N 73°40′25.8″W / 42.788694°N 73.673833°W / 42.788694; -73.673833 (Waterford Bridges)
New York United States bridges
262 2013 Lake Pontchartrain Causeway Lake Pontchartrain Causeway.jpg 1956 Lake Pontchartrain
30°11′59.2″N 90°7′21.7″W / 30.199778°N 90.122694°W / 30.199778; -90.122694 (Lake Pontchartrain Causeway)
Louisiana United States bridges
263 2014 The Dalles Dam Epa-archives the dalles dam-cropped.jpg 1957 Columbia River
45°36′50.3″N 121°8′3″W / 45.613972°N 121.13417°W / 45.613972; -121.13417 (The Dalles Dam)
Oregon & Washington United States dams
264 Tacoma Narrows Bridges[8] Tacoma Narrows Bridge, Spring-Summer 1967.jpg 1940-1950 Tacoma
47°16′8″N 122°33′3″W / 47.26889°N 122.55083°W / 47.26889; -122.55083 (Tacoma Narrows Bridges)
Washington United States bridges
265 Thomas Viaduct Railroad Bridge[9] Thomas-viaduct-1.jpg 1835 Elkridge and Relay
39°13′17.5″N 76°42′48.1″W / 39.221528°N 76.713361°W / 39.221528; -76.713361 (Thomas Viaduct Railroad Bridge)
Maryland United States bridges
266 Site of the Founding Meeting of ASCE, on Nov 5, 1852[10] 1852 New York City
40°42′47.2″N 74°0′16.1″W / 40.713111°N 74.004472°W / 40.713111; -74.004472 (Site of the Founding Meeting of ASCE, on Nov 5, 1852)
New York United States civil engineering profession

See also[edit]

References[edit]

  1. ^ Witcher, T.R. (January 2020). "Preserving the Profession's Achievements: The ASCE Historic Civil Engineering Landmark Program". Civil Engineering. American Society of Civil Engineers. p. 37.
  2. ^ "Historic Landmarks". American Society of Civil Engineers.
  3. ^ Grand Central Terminal is named a national historical civil engineering landmark
  4. ^ ASCE Names Huey P. Long Bridge a Civil Engineering Landmark Archived 2014-01-04 at the Wayback Machine
  5. ^ Stephens, Odin L.; Mengak, Michael T.; Osborn, David; Miller, Karl V. (March 2005). "Using Milorganite to temporarily repel white-tailed deer from food plots" (PDF). Wildlife Management Series. WSFR. Archived from the original (PDF) on 2012-03-29.
  6. ^ "International Boundary Marker | ASCE". www.asce.org. Retrieved 2017-10-20.
  7. ^ The Statue of Liberty is on Liberty Island, federal property administered by the National Park Service, located within the territorial jurisdiction of the State of New York. A pact between New York and New Jersey, ratified by Congress in 1834, declared this issue.
  8. ^ "Tacoma Narrows Bridges | ASCE". www.asce.org. Retrieved 2021-12-07.
  9. ^ "Thomas Viaduct Railroad Bridge | ASCE". www.asce.org. Retrieved 2021-12-07.
  10. ^ "Site of the Founding Meeting of ASCE on Nov 5, 1852 | ASCE". www.asce.org. Retrieved 2017-10-31.

External links[edit]

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