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Natural Pier Bridge

Coordinates: 47°00′50.1912″N 114°30′27.5112″W / 47.013942000°N 114.507642000°W / 47.013942000; -114.507642000
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Natural Pier Bridge
Natural Pier Bridge
Natural Pier Bridge, viewed from downstream.
Coordinates47°00′50.1912″N 114°30′27.5112″W / 47.013942000°N 114.507642000°W / 47.013942000; -114.507642000
CarriesMotor vehicles
CrossesClark Fork River
Localenear Alberton, Montana
Characteristics
Designtruss
MaterialSteel, concrete, and wood
Total length374 feet (114 m)
Width16 feet (4.9 m)
Longest span175 feet (53 m)
No. of spans2
History
Constructed byLord Construction Company
Construction costUS$100,000
Statistics
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Natural Pier Bridge
Located near Alberton, Mineral County, Montana
Located near Alberton, Mineral County, Montana
Location of Natural Pier Bridge in Montana
Locationnear Alberton, Montana
Built1917
NRHP reference No.09001182
Added to NRHPJanuary 4, 2010
Location
Map

Natural Pier Bridge is a steel Warren through truss bridge spanning the Clark Fork river located 1 mile (1.6 km) west of Alberton, Montana, United States, which incorporates a natural rock outcrop as anchorage for a pier. It was nominated to the National Register of Historic Places as part of a related group of historic Montana bridges known as Montana's Historic Steel Truss Bridges and achieved listing on January 4, 2010. Built in 1917 by the Lord Construction Company of Missoula, Montana, it is one of only a few remaining bridges of its type in the state, and of those it is the only one that incorporates a natural feature in its design.[1][2]

References

Notes
  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  2. ^ Axline, Jon; Montana Department of Transportation, Montana's Historic Steel Truss Bridges - Natural Pier Bridge, National Park Service, p. 1, retrieved November 17, 2013
Bibliography