Martinez, California

Martinez RR Trestle (Contra Costa County, California)
Deck plate girder bridge over Alhambra Creek, Alhambra Ave. on BNSF RR, Amtrak RR
Open to traffic

Southern Pacific Carquinez Strait Bridge (Contra Costa County, California)
Originally built for the Southern Pacific Railroad in 1929-1930, this is the last simple truss railroad bridge built in the United States at a new location (i.e. where none had existed before).
Warren through truss bridge over Carquinez Strait on double track of Union Pacific Railroad in Martinez
Open to traffic