14th Avenue South Bridge (King County, Washington)
Built 1931
Bascule bridge over Duwamish River on 14th Avenue South in Seattle
Open to traffic

Duwamish River West Bridge (King County, Washington)
Built 1996
Bascule bridge over Duwamish River West on Southbound WA 99 in Seattle
Open to traffic

Fauntleroy Bridge (King County, Washington)
Built 1957; rehabilitated 2002
Vertical lift bridge over Puget Sound on WA 160 in Seattle
Open to traffic

Fremont Bridge (King County, Washington)
Built 1917
Bascule bridge over Lake Washington Ship Canal on Fremont Avenue North in Seattle
Open to traffic

Lake Union Bridge (King County, Washington)
Built 1931
Deck truss bridge over Lake Union on WA 99 in Seattle
Open to traffic

Lake Washington Ship Canal Bridge (King County, Washington)
Built 1962
Deck truss bridge over Lake Washington Ship Canal on I-5 in Seattle
Open to traffic

Montlake Cut Bridge (King County, Washington)
Built 1924; rehabilitated 1999
Bascule bridge over Montlake Cut on WA 513 in Seattle
Open to traffic