Alamo, California

Brookdale Avenue Bridge (Contra Costa County, California)
Built unknown year.
Steel stringer bridge over San Ramon Creek on Brookdale Avenue
Open to traffic

Casa Vallecita Bridge (Contra Costa County, California)
Built unknown year.
Timber stringer bridge over San Ramon Creek on Casa Vallecita
Open to traffic

Los Ranchitos Bridge (Contra Costa County, California)
Built unknown year.
Steel stringer bridge over San Ramon Creek on Los Ranchitos
Open to traffic

Singing Hills Bridge (Contra Costa County, California)
Built unknown year.
Steel stringer bridge over San Ramon Creek on Singing Hills Road
Open to traffic