Contra Costa County

Alameda Diablo Bridge   [Map]
Parallel railroad flatcar deck girder bridge over Dan Cook Creek on Alameda Diablo
Open to traffic
Built about 1940, railings redone about 2005, reinforced 2014
Alfred Zampa Bridge   [Map · Street View]
Wire suspension bridge over Carquinez Strait and railroad on Highway I-80 westbound
Open to traffic
Built 2003
Antioch Bridge   [Map · Street View]
Concrete deck girder bridge over San Joaquin River on State Route 160
Open to traffic
The current bridge was completed and opened to traffic in 1978. It measures 1.8 miles (2.9 km). It replaced the original structure that was built in 1926 by Aven Hanford and Oscar Klatt, who went on to build the original span of the Carquinez Bridge.
Antioch Bridge (Old)   [Map]
K- through truss bridge over San Joaquin River on Route 160 Antioch Bridge former Victory
Replaced by a new bridge
Built 1926; Replaced 1978
BNSF - IH-680 Overpass   [Map · Street View]
Bridge over I-H 680 on BNSF Railroad
Open to traffic
BNSF - Morello Avenue Overpass   [Map · Street View]
Steel stringer bridge over Morello Avenue on BNSF Railway
Open to traffic
Built 1939
BNSF - Muir Trestle   [Map · Street View]
Deck plate girder bridge over Alhambra Creek, Alhambra Ave. on BNSF RR, Amtrak RR
Open to traffic
BNSF - Pacheco Boulevard Overpass   [Map · Street View]
Steel stringer bridge over Pacheco Blvd on ATSF Raiolroad
Open to traffic
Built ca. 1920
BNSF - Tunnel 1   [Map]
Tunnel on BNSF RR
Open to traffic
Built 1917
BNSF - Tunnel 2   [Map]
Tunnel on BNSF Railway
Open to traffic
BNSF - Tunnel 3   [Map · Street View]
Tunnel on BNSF Railway
Open to traffic
BNSF - Woodward Island bridge   [Map · Street View]
Abt type Bascule Bridge over Old River on BNSF and Amtrak RR
Open to traffic
Built 1928.
BNSF-Pinole/Hercules Trestle   [Map]
Timber stringer bridge over Pinole Creek on BNSF RR
Open to traffic
Trestle over Pinole Creek
BNSF-Sycamore Street Overpass   [Map · Street View]
Deck plate girder bridge over Sycamore St on BNSF RR
Open to traffic
Built 1915-Plate girder over Sycamore St
BNSF-Tennent Ave Overpass   [Map · Street View]
1930 Deck plate girder
Open to traffic
BNSF/SN Overpass   [Map]
Beam bridge over Former Sacramento Northern Railway West Pittburgh Subway on BNSF Railway
Open to traffic
Brookdale Avenue Bridge   [Map · Street View]
Steel stringer bridge over San Ramon Creek on Brookdale Avenue
Open to traffic
Built unknown year.
Caballo Ranchero Bridge   [Map]
Parallel railroad flatcar deck girder bridge over Dan Cook Creek on Caballo Ranchero
Open to traffic
Built about 1940, reinforced 2014
Caldecott Tunnel   [Map · Street View]
Set of three parallel tunnels on CA 24 in Oakland
Open to traffic
First two bores built 1937, third built 1965
Carquinez Strait Bridge (1958)   [Map · Street View]
Bridge over Sacramento River, BNSF railroad on Interstate 80, eastbound
Open to traffic
Built 1958
Carquinez Straits Bridge (1927)   [Map · Street View]
Lost cantilevered through truss bridge over Carquinez Straits on Lincoln Highway, later I-80 Westbound Lanes in Vallejo
Replaced by new bridge
Built 1927; replaced 2003; demolished 2006
Casa Vallecita Bridge   [Map · Street View]
Timber stringer bridge over San Ramon Creek on Casa Vallecita
Open to traffic
Built unknown year.
Civic Park Road Bridge   [Map]
Riveted Pratt Thru truss bridge over Walnut Creek on Civic Park Road
Open to traffic
Built unknown year, rehabilitated 1987
Cull Creek Bridge   [Map · Street View]
Timber stringer bridge over Cull Creek on Unnamed Local Road
Open to traffic
Built unknown year.
Diablo Gateway Bridge   [Map]
Slab bridge over Diablo Creek on Alameda Diablo
Open to traffic
Built unknown year.
Diablo Rd Bridge   [Map · Street View]
Steel stringer bridge over San Ramon Creek on Diablo Rd
Open to traffic
Built 1966
Dornan Drive Tunnel   [Map · Street View]
Tunnel on Dornan Drive in Richmond
Open to traffic
Built 1912
Fordham Street Bridge   [Map · Street View]
Concrete stringer bridge over San Pablo Creek on Fordham Street
Gated extension of Fordham Street
Hill Road Bridge   [Map · Street View]
Steel stringer bridge over Green Valley Creek on Hill Road
Open to pedestrians only
Built circa. 1970, made pedestrian-only circa. 2013
Hoffman Lane Bridge   [Map · Street View]
Timber stringer bridge over Kellogg Creek on Hoffman Lane
Open to traffic
Built 1952
I-680 Bridge (old)   [Map · Street View]
Deck truss bridge over Sacramento River and railroad tracks on I-680 S in Benicia and Martinez
Open to traffic
Built 1962; rehabilitated 1991
Iron Horse Regional Trail - Robert I Schroder Bridge   [Map · Street View]
Steel through arch bridge over Ygnacio Valley Road on Iron Horse Trail
Open to pedestrians
Built 1998
Iron Horse Regional Trail - Walnut Creek Bridge (Monument Boulevard)   [Map · Street View]
Pratt through truss bridge over Walnut Creek on Iron Horse Trail
Open to pedestrians
Unknown history, part of an urban railroad to trail conversion project
Iron Horse Regional Trail - Walnut Creek Bridge (Ygnacio Valley Road)   [Map · Street View]
Pratt through truss bridge over Walnut Creek on Iron Horse Trail
Open to pedestrians
Railroad Bridge, 1929, re-used at this location for pedestrian walkway
Jersey Island Bridge   [Map · Street View]
Timber trestle bridge over Dutch Slough on Jersey Island Road
Open to traffic
Built 1949
Los Ranchitos Bridge   [Map · Street View]
Steel stringer bridge over San Ramon Creek on Los Ranchitos
Open to traffic
Built unknown year.
Old River Bridge   [Map · Street View]
Swing bridge over Old River on CA 4 in Discovery Bay
Open to traffic
Built 1915; rehabilitated 1978
Orwood Road Bridge   [Map · Street View]
Timber trestle bridge over Indian Slough on Orwood Road
Open to traffic
Built 1947
Red Willow Bridge   [Map · Street View]
Timber stringer bridge over West Branch Alamo Creek on Red Willow Road
Open to traffic
Built 1990
Richmond - San Rafael Bridge   [Map · Street View]
Double deck cantilever truss bridge over San Pablo Bay on I-580 in Richmond
Open to traffic
Built 1956, Seismic Retrofit Completed 2005
Rock Slough Bridge   [Map · Street View]
Lost pony truss bridge over Rock Slough on Delta Road
No longer exists
Built ca. 1940; rehabilitated 1974; replaced 2001
San Pablo Creek Bridge   [Map]
Concrete arch bridge over San Pablo Creek on I-80 in Richmond
Open to traffic
Built 1954
Singing Hills Bridge   [Map · Street View]
Steel stringer bridge over San Ramon Creek on Singing Hills Road
Open to traffic
Built unknown year.
SN - Suisin Bay Bridge   [Map]
Bridge over Suisin Bay on Sacramento Northern Railway
Never built
Consruction began 1912, construction halted May 1913 because of a lack of funds
St. Mary's College Overpass   [Map]
Lost Closed-spandrel arch bridge over Sacramento Northern Railway on St. Mary's Parkway
Removed
Tassajara Bridge   [Map]
Timber stringer bridge over Tassajara Creek on Tassajara Bridge Rd
Open to traffic
Built unknown year.
UP - Carquinez Strait Bridge   [Map · Street View]
Warren through truss bridge over Carquinez Strait on double track of Union Pacific Railroad in Martinez
Open to traffic
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).
UP - Pacheco Slough Bridge   [Map · Street View]
Warren pony truss bridge over Pacheco Slough on Union Pacific Railroad
Open to traffic
UP/SN Overpass   [Map]
Beam bridge over Former Sacramento Northern Railway West Pittburgh Subway on Union Pacific Railroad
Open to traffic
Waterfront Road Bridge   [Map · Street View]
Swing bridge over Pacheco Slough on Waterfront Road in Martinez
Open to traffic
Built 1948; rehabilitated 1965, replaced unknown year
Willow Pass Bridge   [Map · Street View]
Concrete stringer bridge on Willow Pass Road over Mount Diablo Creek, Kinne Boulevard, and Railroad
Open to traffic on Willow Pass Rd, however Railroad and Kinne Blvd are abandoned
Built 1944