San Bernardino County
Arrow Route Bridge [Map] Concrete arch bridge over Gravel Pit on Arrow Route in ClaremontBridge removed 2004, highway open, bridge replaced with solid earthen fillBuilt 1940 Flare Ditch Bridge [Map] Wooden bridge over Flare Ditch on I-15 North Outer RoadOpen to trafficBuilt 1929; rehabilitated 1952
MNRR - Interstate 15 Overpass [Map] Lost Steel stringer bridge over Interstate 15 on Mojave Northern Railroad/Southwestern Portland Cement RailroadReplaced by a new bridgeBuilt 1958; Replaced 2004
Mojave River Bridge [Map] Pratt through truss bridge over Mojave River on Dagget-Yermo RoadReplaced by a new bridge, relocated to Central AmericaBuilt ca. 1888; Converted to road ca. 1907; Replaced 1941 and relocated to Central America Mt Vernon Avenue Bridge [Map · Street View] Steel stringer bridge over BNSF RR, Amtrak, UP RR,W 3rd St on Mt Vernon AvenueOpen to traffic but with temporary supports on the south endBuilt 1934
Old Trails Arch Bridge [Map · Street View] Steel arch bridge over Colorado River carrying a pipeline (formerly carried US 66)Completed Feb. 20, 1916; traffic diverted May 21, 1947; bridge converted to carry natural gas pipeline
PE - Lytle Creek Bridge [Map] Lost Closed-spandrel arch bridge over Lytle Creek on Pacific Electric RailwayRemovedBuilt 1914; Removed ?
Red Rock Bridge [Map] Lost Through truss bridge over Colorado River on US 66Replaced by new I-40 bridgeBuilt in 1890 as RR bridge, converted to car bridge 1947, Replaced 1966, Demolished 1978. UP - East Afton Canyon Bridge [Map] Through truss bridge over Mojave River on Union Pacific RailroadOpen to trafficBuilt 1938, replaced bridge washed away in flood