Historic Bridges of the U.S.

Battery Street Tunnel (King County, Washington)
Built 1954
Tunnel under city streets on WA 99 in Seattle
Open to traffic

Duwamish River Bridge (King County, Washington)
Built 1956
Bascule bridge over Duwamish River on WA 99 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

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