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Contra Costa County
Antioch Bridge (1926) [Map] K- through truss bridge over San Joaquin River on Route 160 Antioch Bridge former VictoryReplaced by a new bridgeBuilt 1926 by Aven Hanford and Oscar Klatt, who went on to build the original span of the Carquinez Bridge; Replaced 1978
Antioch Bridge (1978) [Map · Street View] Concrete deck girder bridge over San Joaquin River on CA-160Open to trafficThe 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.
BNSF - SN Overpass [Map] Beam bridge over former Sacramento Northern Railway West Pittburgh Subway on BNSF RailwayOpen to traffic
Caballo Ranchero Bridge [Map] Parallel railroad flatcar deck girder bridge over Dan Cook Creek on Caballo RancheroOpen to trafficBuilt about 1940, reinforced 2014
Caldecott Tunnel [Map · Street View] Set of four parallel tunnels on CA 24 in OaklandOpen to trafficFirst two bores built 1937, third built 1965, fourth built 2013
Carquinez Bridge (1927) [Map · Street View] Lost cantilevered through truss bridge over Carquinez Strait on Lincoln Highway/I-80 WestboundReplaced by new bridgeBuilt 1927; replaced 2003; demolished 2006
Civic Park Road Bridge [Map] Pin-connected Pratt through truss bridge over Walnut Creek on Civic Park RoadOpen to pedestriansBuilt ca. 1890's, rehabilitated 1987
Don Hoffman Bridge [Map] Parallel railroad flatcar deck girder bridge over Dan Cook Creek on Alameda DiabloOpen to trafficBuilt about 1940, railings redone about 2005, reinforced 2014, rededicated as Don Hoffman Bridge 2017
Hill Road Bridge [Map · Street View] Steel stringer bridge over Green Valley Creek on Hill RoadOpen to pedestrians onlyBuilt circa. 1970, made pedestrian-only circa. 2013
Kinne Bridge [Map · Street View] Concrete stringer bridge on Willow Pass Road over Mount Diablo Creek, Kinne Boulevard, and RailroadOpen to traffic on Willow Pass Rd, however Railroad and Kinne Blvd are abandonedBuilt 1944
SN - Suisin Bay Bridge [Map] Bridge over Suisin Bay on Sacramento Northern RailwayNever builtConsruction began 1912, construction halted May 1913 because of a lack of funds
UP - Carquinez Strait Bridge [Map · Street View] Warren through truss bridge over Carquinez Strait on double track of Union Pacific Railroad in MartinezOpen to trafficOriginally 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 - SN Overpass [Map] Beam bridge over Former Sacramento Northern Railway West Pittburgh Subway on Union Pacific RailroadOpen to traffic
Waterfront Road Bridge [Map · Street View] Swing bridge over Pacheco Slough on Waterfront Road in MartinezReplaced by a new bridgeBuilt 1948; rehabilitated 1965, replaced unknown year