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 2,409 at the 2010 census. Bridgeport is located near the Chief Joseph Dam.
History
Th ...
, was built to span the
Columbia River 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 ...
carrying
Washington State Route 17
State Route 17 (SR 17) is a state highway serving the Columbia Plateau in the central region of the U.S. state of Washington. The highway travels through mostly rural areas of Franklin. Adams, Grant, Douglas, and Okanogan counties ...
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), ...
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 USACE Chief Joseph Dam Project Office and the ...
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
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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 United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic ...
on May 31, 1995.
See also
*
List of bridges documented by the Historic American Engineering Record in Washington (state)
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
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