Newark, California

SP - Dumbarton Bridge (Alameda County, California)
Built 1910, last used for freight 1982; acquired by San Mateo County Transit District 1994
Abandoned baltimore through truss bridge over San Francisco Bay on Caltrain
Abandoned

SP - Newark Slough Drawbridge (Alameda County, California)
Built 1910
Baltimore through truss bridge over Newark Slough on Caltrain
Closed to all traffic