Diablo, California

Alameda Diablo Bridge (Contra Costa County, California)
Built unknown year.
Slab bridge over Diablo Creek on Alameda Diablo
Open to traffic

Caballo Ranchero Bridge (Contra Costa County, California)
Built about 1940, reinforced 2014
Parallel railroad flatcar deck girder bridge over Dan Cook Creek on Caballo Ranchero
Open to traffic

Don Hoffman Bridge (Contra Costa County, California)
Built about 1940, railings redone about 2005, reinforced 2014, rededicated as Don Hoffman Bridge 2017
Parallel railroad flatcar deck girder bridge over Dan Cook Creek on Alameda Diablo
Open to traffic