San Francisco, California

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Alvord Lake Bridge (San Francisco County, California)
Built 1889 by Ernest L. Ransome
Reinforced concrete arch bridge over a pedestrian walkway at Golden Gate Park
Open to traffic

ATSF San Francisco Bay Ferries (San Francisco County, California)
Ferry across San Francisco Bay on Railroad
No Longer In Operation

Caltrain Tunnel (San Francisco County, California)
Tunnel on Railroad
Open to traffic

China Basin Bridge (San Francisco County, California)
Built 1932
Pratt truss variant Bascule bridge over China Basin on Third Street in San Francisco
Open to traffic

Doyle Drive Bridge (San Francisco County, California)
Built 1936; rehabilitated 1939, scheduled for replacement 2009-2013
Deck truss bridge over N1-N101, Lincoln, Crissy on US HIGHWAY 101
Closed, Demolition in Progress

Fourth Street Bridge (San Francisco County, California)
Built 1916
Warren truss Bascule bridge over China Basin on Fourth Street in San Francisco
Open to traffic

Golden Gate Bridge (San Francisco County, California)
Built 1937
Suspension bridge over San Francisco Bay on US 101 at San Francisco
Open to traffic

Illinois Street Bridge (San Francisco County, California)
Built 2006
Concrete deck girder bascule bridge over Islais Creek on Illinois Street
Open to traffic

Islais Creek Bridge (San Francisco County, California)
Built 1945
Bascule bridge over Islais Creek on Third Street in San Francisco
Open to traffic

Presidio Tunnel (San Francisco County, California)
Built 1938
Tunnel under Washington Bl & Park Bl on Presidio Tunnel
Open to traffic

San Francisco - Oakland Bay Bridge (San Francisco County, California)
Built 1936; rehabilitated 1962
Suspension and cantilever truss bridge over San Francisco Bay on I-80 in Oakland
Open to traffic

Stockton Street Tunnel (San Francisco County, California)
Built 1912
Tunnel under Bush, Pine & California Streets on Stockton Street
Open to traffic

Yerba Buena Island Tunnel (San Francisco County, California)
Built 1936
Tunnel under Yerba Buena Island on I-80 in San Francisco
Open to traffic