Klamath River Bridge (Siskiyou County, California)
Built 1931Concrete tee beam bridge over Klamath River on State Route 263Open to traffic
San Francisco Bay Bridge (Alameda County, California)
Built 1936Suspension and cantilever truss bridge over San Francisco Bay on I-80 in OaklandOpen to traffic
Tacoma Narrows Bridge (Pierce County, Washington)
Built 1949Suspension bridge over Tacoma Narrows on WA 16 in TacomaOpen to traffic