Historic Bridges: Okanogan County, Washington

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S - Dismantled and/or in storage. L - Severe loss of historic integrity due to alteration.

Total Bridges Found: 5

Bridgeport Bridge
HSR

WA-17 Over Columbia River in Bridgeport: Douglas County, Washington and Okanogan County, Washington, United States

Metal Continuous 12 Panel Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed

Length: 1,150 ft. Main Span: 300 ft. Roadway: 26 ft. Main Spans: 3

Built 1950 By: Unknown and United States Army Corps of Engineers

This is an increasingly uncommon example of a continuous deck truss.

Grand Coulee Bridge
HSR

WA-155 Over Columbia River in Coulee Dam: Douglas County, Washington and Okanogan County, Washington, United States

Metal Cantilever 22 Panel Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Concrete T-Beam, Fixed

Length: 1,089 ft. Main Span: 550 ft. Roadway: 20.3 ft. Main Spans: 3

Built 1935 By: J. H. Pomeroy of San Francisco, California and Washington Department of Highways

Adjacent to the Grand Coulee Dam, this is an early surviving example of the distinctive design of cantilever truss found in the state.

Grand Coulee Dam Bridge
HSR

Dam Access Road Over Columbia River (Franklin D. Roosevelt Lake) in Coulee Dam: Grant County, Washington and Okanogan County, Washington, United States

Concrete Open Spandrel Deck Arch, Fixed

Length: 1,650 ft. Main Span: 150 ft. Roadway: 30 ft. Main Spans: 11

Built 1941 By: Consolidated Builders, Inc. and S. O. Harper

This bridge is an extremely long arch bridge that is dwarfed by the dam of which the bridge is an integral part.

Pateros Railroad Bridge
HSR