Jump to:
Siskiyou County
Ash Creek Bridge [Map · Street View] Baltimore through truss bridge over Klamath River on Klamath River RoadReplaced, in storage for future reuseBuilt 1901
Blue Nose Bridge [Map] Lost Through truss bridge over Klamath RiverReplaced by a new bridge ~.3 mile upstreamBuilt 1924; Replaced 1966; Not fully removed until 1973
Boulder Creek Road Bridge [Map] Pony truss bridge over Canyon Creek on Boulder Creek RoadWashed out in flood, replaced by a steel girder bridgeBuilt 1984
Cottonwood Creek Bridge [Map] Lost pony truss bridge over Cottonwood Creek on Front Street in HornbrookReplaced by a pre-cast slab bridge in 2006Built 1935, Replaced 2006
Dunsmuir Avenue Bridge [Map] Lost Open-spandrel arch bridge over Sacramento River and SP RR on Dunsmuir AvenueReplaced by a new bridge
Fay Lane Bridge [Map] Lost Through truss bridge over Scott River on Fay LaneNo longer exists
French Creek Road Bridge [Map] Subdivided Warren Pony truss bridge over North Fork French Creek on French Creek RoadOpen to trafficBuilt 1975
Happy Camp Bridge [Map] Lost Parker through truss bridge over Indian Creek on Second AvenueReplaced by new bridgeBuilt 1924; Replaced 1966
Quartz Valley Road Bridge (1935) [Map · Street View] Relocated pony truss bridge over Lower Shackleford Creek on Quartz Valley RoadReplaced by a new pony truss bridge and moved to a nearby field.Built 1935, replaced in 2005 and moved to a nearby field.
Shelly Bridge [Map · Street View] Through truss bridge over Shasta River on Anderson Grade RoadClosed to all trafficBuilt 1899, Closed to Traffic 1982
Somes Bar Bridge [Map] Lost Through truss bridge over Salmon River on SR 96Replaced by a new bridge
UP - Cantara Loop Bridge [Map] Deck plate girder bridge over Sacramento River on Union Pacific RailroadOpen to trafficBuilt ?; Massive guardrail constructed 1991
UP - Dry Creek Trestle [Map] Deck plate girder bridge over Dry Creek on UP RROpen to trafficBadly damaged in Lava Fire June 2021, 9 spans replaced
UP - Tunnel 17 [Map] Tunnel under Dorris Hill on Union Pacific RailroadOpen to trafficBuilt 1909
Walker Bridge [Map · Street View] Pennsylvania through truss bridge over Klamath River on Walker Bridge Connection RoadReplaced by new bridge, moved to new location for pedestrian usageBuilt in Folsom, CA 1893, Moved to Siskiyou Co. 1932, Replaced and Moved 1997