Columbia River Bridge at Grand Coulee Dam, Spanning Columbia River at State Route 155, Coulee Dam, Okanogan County, WA
Significance: The U.S. Bureau of Reclamation constructed this structure as part of the Grand Coulee Dam Columbia Basin Reclamation Project. It is a good example of 1930s steel cantilever bridge design in Washington, and one of the state's collection of cantilever bridges on the Columbia River system.
Unprocessed Field note material exists for this structure: N153
Survey number: HAER WA-102
Building/structure dates: 1935 Initial Construction