Mount Orne Covered Bridge

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Mount Orne Bridge
IMG 4279 Mount Orne Covered Bridge.jpg
Bridge in New Hampshire & Vermont
Coordinates 44°28′N 71°39′W / 44.46°N 71.65°W / 44.46; -71.65Coordinates: 44°28′N 71°39′W / 44.46°N 71.65°W / 44.46; -71.65
Crosses Connecticut River
Locale Lancaster, New Hampshire to Lunenburg, Vermont
Maintained by Towns of Lancaster and Lunenburg
ID number 29-04-08 (NH #30)
Design Howe truss bridge[1]
Total length 266.25 ft (81.15 m)
Width 20.5 ft (6.25 m) (maximum), 14.42 ft (4.395 m) (roadway)
Longest span 127.33 ft (38.81 m)
Load limit 6 tons
Clearance above 12.75 ft (3.89 m)
Opened 1911
November 23, 1983

July 5, 1983

Mount Orne Covered Bridge
Mount Orne Covered Bridge is located in New Hampshire
Mount Orne Covered Bridge
Mount Orne Covered Bridge is located in the US
Mount Orne Covered Bridge
Location Lancaster, New Hampshire & Lunenburg, Vermont
Coordinates 44°27′36″N 71°39′10″W / 44.46000°N 71.65278°W / 44.46000; -71.65278Coordinates: 44°27′36″N 71°39′10″W / 44.46000°N 71.65278°W / 44.46000; -71.65278
Area 1 acre (0.40 ha)
Architect Berlin Iron Bridge Co.
Architectural style Howe truss covered bridge
NRHP reference # 76000124[2]
Added to NRHP December 12, 1976

The Mount Orne Bridge is a covered bridge over the Connecticut River between Lancaster, New Hampshire, and Lunenburg, Vermont. It joins Elm Street (New Hampshire Route 135) in South Lancaster with River Road (Town Highway 1) in Lunenburg. Built in 1911, it is one of two Howe truss bridges across the Connecticut River. It was listed on the National Register of Historic Places in 1976.[2]

Description and history[edit]

The Mount Orne Covered Bridge is located in a rural area of eastern Lunenburg and southwestern Lancaster. It spans the Connecticut River in a roughly northwest-southeast orientation. It consists of two spans of wood-and-iron Howe trusses, resting on stone abutments and piers which have been partially faced in concrete. The overall length of the bridge is 267 feet (81 m), with the western span measuring 134 feet (41 m) and the eastern span one foot less. The bridge has an overall width of 20.5 feet (6.2 m), with a roadway of 15.5 feet (4.7 m). The bridge is covered by a corrugated metal gable roof, and is sided in vertical boarding that extends only partway to the eaves. The siding extends around to the insides of the portals.[3]

The bridge was built in 1911 by the Berlin Construction Company, replacing one that was washed away by flooding in 1905. It is one of only two Howe truss bridges over the Connecticut River; the other, the Columbia Bridge, was built in 1912. The two bridges are among the last to be built during the historic period of covered bridge construction in either state. The costs of construction and maintenance are shared by the two towns.[3] The most recent rededication of the bridge took place on November 23, 1983.

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