List of bridges on the National Register of Historic Places in Maryland

This is a list of bridges and tunnels on the National Register of Historic Places in the U.S. state of Maryland.

Name	Image	Built	Listed	Location	County	Type
B & O Railroad Potomac River Crossing		1894, 1931	1978-02-14	Harpers Ferry, West Virginia 39°19′27″N 77°43′43″W	Washington
B & O Bridge		1867 !ca. 1867	1977-11-23	Keedysville 39°30′15″N 77°42′49″W	Washington
Bennies Hill Road Bridge		1889 !ca. 1889	1979-06-27	Middletown 39°24′34″N 77°34′12″W	Frederick	Bowstring arch truss
Bloomington Viaduct		1851, 1916	1976-11-21	Bloomington 39°28′37″N 79°4′5″W	Garrett	Multispan masonry bridge
Bollman Suspension and Trussed Bridge		1869	1972-10-18	Savage 39°8′5″N 76°49′31″W	Howard	Bollman Truss
Bullfrog Road Bridge		1908	1978-11-21	Taneytown 39°41′44″N 77°14′25″W	Frederick	Parker truss
Carrollton Viaduct		1828, 1829	1971-11-11	Baltimore 39°16′31″N 76°39′19″W	Baltimore City
Casselman's Bridge, National Road		1813	1966-10-15	Grantsville	Garrett	Single arch
Crum Road Bridge		1880 !ca. 1880	1978-12-28	Walkersville 39°28′47″N 77°19′39″W	Frederick	Bowstring arch truss
Fourpoints Bridge		1876 !ca. 1876	1978-11-29	Emmitsburg 39°40′17″N 77°18′4″W	Frederick	Pratt truss
Gilpin's Falls Covered Bridge		ca. 1855	2008-12-03	North East	Cecil	Burr Arch Through Truss
Howard Street Tunnel		1890, 1895	1973-07-02	Baltimore 39°18′17″N 76°37′15″W	Baltimore City	Brick-lined tunnel with iron-arched centerings
Jericho Covered Bridge		1865, 1937	1978-09-13	Jerusalem, Kingsville 39°27′34″N 76°23′16″W	Baltimore, Harford	Burr Arch Through Truss
LeGore Bridge			1978-09-18	Woodsboro 39°34′50″N 77°18′50″W	Frederick	Five-span stone arch
Lombard Street Bridge		1877, 1974	1972-09-27	Baltimore 39°19′0″N 76°42′1″W	Baltimore City	Water-main truss
Loys Station Covered Bridge		1860 !ca. 1860	1978-06-23	Thurmont 39°36′26″N 77°21′8″W	Frederick	Covered Multiple king post
Old Mill Road Bridge		1882	1979-03-07	Rocky Ridge 39°36′7″N 77°20′19″W	Frederick	Pratt truss
Patterson Viaduct Ruins		1829	1976-06-03	Catonsville, Ilchester 39°15′0″N 76°45′51″W	Baltimore, Howard	Masonry Arch Bridge
Poffenberger Road Bridge		1878	1978-11-29	Middletown 39°22′54″N 77°34′18″W	Frederick	Pratt or Whipple thru truss
Roddy Road Covered Bridge		1860 !ca. 1860	1978-06-23	Thurmont 39°38′26″N 77°23′39″W	Frederick	Covered Single king post
Thomas Viaduct, Baltimore & Ohio Railroad		1835	1966-10-15	Relay 39°13′19″N 76°42′49″W	Baltimore, Howard	Multiple stone arch
Union Arch Bridge (Cabin John Aqueduct)		1864	1973-02-28	Cabin John 38°58′22.28″N 77°8′52.69″W	Mongtomery	Masonry arch
Utica Covered Bridge		1860 !ca. 1860	1978-06-23	Thurmont 39°31′28″N 77°23′46″W	Frederick	Covered Burr arch truss
Waverly Street Bridge		1892	1984-09-07	Westernport 39°29′23″N 79°2′34″W	Allegany	bowstring arch truss
Wilson's Bridge		1819	1982-03-15	Hagerstown 39°39′27″N 77°50′53″W	Washington

References

• National Park Service, National Register Information System database download, accessed April 2008