Historic Bridges of the U.S.

Baker River Bridge (Skagit County, Washington)
Built 1916; rehabilitated 2004
Concrete arch bridge over Baker River on Old WA 20 in Concrete
Open to traffic

Bonaparte Creek Bridge (Okanogan County, Washington)
Built 1933
Concrete arch bridge over Bonaparte Creek on WA 20
Open to traffic

Canoe Pass Bridge (Skagit County, Washington)
Built 1935
Steel arch bridge over Canoe Pass on WA 20
Open to traffic

Deception Pass Bridge (Island County, Washington)
Built 1935
Deck truss bridge over Deception Pass on WA 20
Open to traffic

Gorge Creek Bridge (Whatcom County, Washington)
Built 1955
Steel arch bridge over Gorge Creek on WA 20
Open to traffic

Keystone Harbor Bridge (Island County, Washington)
Built 1979
Vertical lift bridge over Keystone Harbor on WA 20 Extension
Open to traffic

Methow River Bridge (Okanogan County, Washington)
Built 1929; rehabilitated 1950
Through truss bridge over Methow River on WA 20 in Winthrop
Open to traffic

Port Townsend Bridge (Jefferson County, Washington)
Built 1955; rehabilitated 1982
Vertical lift bridge over Puget Sound on WA 20 in Port Townsend
Open to traffic

Port Townsend Bridge (Jefferson County, Washington)
Built 1982
Vertical lift bridge over Puget Sound on WA 20 in Port Townsend
Open to traffic