Columbia River Bridge (Bridgeport, Washington)
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The Columbia River Bridge, also known as the Bridgeport Bridge, at
Bridgeport, Washington Bridgeport is a city in Douglas County, Washington. It is part of the Wenatchee−East Wenatchee Metropolitan Statistical Area. Bridgeport's population was 2,141 at the 2020 census. Bridgeport is located near the Chief Joseph Dam. History T ...
, was built to span the
Columbia River The Columbia River (Upper Chinook language, Upper Chinook: ' or '; Sahaptin language, Sahaptin: ''Nch’i-Wàna'' or ''Nchi wana''; Sinixt dialect'' '') is the largest river in the Pacific Northwest region of North America. The river headwater ...
in 1950. Composed of three spans, the bridge is a steel continuous riveted
deck truss A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units. The connected elements, typically straight, may be stressed from tension, compression, or s ...
carrying Washington State Route 17 on a roadway and two sidewalks. The center portion of the bridge spans , flanked by end spans. The north approach span and the south approach span are supported by steel
plate girder A plate girder bridge is a bridge supported by two or more plate girders. Overview In a plate girder bridge, the plate girders are typically I-beams made up from separate structural steel plates (rather than rolled as a single cross-section), w ...
s. The bridge played a significant role in the construction of the
Chief Joseph Dam The Chief Joseph Dam is a concrete gravity dam on the Columbia River, upriver from Bridgeport, Washington. The dam is upriver from the mouth of the Columbia at Astoria, Oregon. It is operated by the U.S. Army Corps of Engineers, USACE Chief Jose ...
just upstream, as no bridge crossing had previously existed in the area. Construction on the dam started in 1945 and was completed, apart from the powerplant, in 1955. The bridge was designed and built by the
U.S. Army Corps of Engineers The United States Army Corps of Engineers (USACE) is the military engineering branch of the United States Army. A direct reporting unit (DRU), it has three primary mission areas: Engineer Regiment, military construction, and civil wor ...
as part of the Chief Joseph Dam project, and is significant for its association with the project and as a major crossing of the Columbia. The bridge was placed on the
National Register of Historic Places The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...
on May 31, 1995.


See also

*
List of bridges documented by the Historic American Engineering Record in Washington (state) __NOTOC__ This is a list of bridges documented by the Historic American Engineering Record in the US state of Washington. Bridges See also * List of tunnels documented by the Historic American Engineering Record in Washington (state) Referenc ...


References


External links

* Road bridges on the National Register of Historic Places in Washington (state) Transportation buildings and structures in Okanogan County, Washington Bridges in Douglas County, Washington Truss bridges in the United States Bridges over the Columbia River Historic American Engineering Record in Washington (state) National Register of Historic Places in Douglas County, Washington Bridges completed in 1950 1950 establishments in Washington (state) Steel bridges in the United States Plate girder bridges in the United States {{Washington-bridge-struct-stub