Siskiyou County

Ash Creek Bridge   [Map · Street View]
Baltimore through truss bridge over Klamath River on Klamath River Road
Open to traffic
Built 1901
Bogus Creek Bridge   [Map]
Pony truss bridge over Bogus Creek on Ager-Beswich Road
Unknown status
Built 1925
Boulder Creek Road Bridge   [Map]
Pony truss bridge over Canyon Creek on Boulder Creek Road
Replaced by a steel girder bridge
Built 1984
Canyon Creek Road Bridge   [Map]
Suspension bridge over Scott River on Canyon Creek Road
Open to traffic
Built 1938, rehabilitated 1998
Chester Barton Memorial Bridge   [Map · Street View]
Polygonal Warren pony truss bridge over Klamath River on Bar Road
Open to traffic
Built 1998
Clear Creek Road Bridge   [Map]
Deck truss bridge over Fourmile Creek on Clear Creek Road
Open to traffic
Built 1950
Clear Creek Road Bridge   [Map]
Deck truss bridge over Fivemile Creek on Clear Creek Road
Open to traffic
Built 1950
Cottonwood Creek Bridge   [Map]
Lost pony truss bridge over Cottonwood Creek on Front Street in Hornbrook
Replaced by a pre-cast slab bridge in 2006
Built 1935, Replaced 2006
Cottonwood Creek Bridge   [Map · Street View]
Pratt through truss bridge over Cottonwood Creek on CR 9K006
Open to traffic
Probably relocated here 1957; rehabilitated 1987
Dry Gulch Bridge   [Map · Street View]
Concrete arch bridge over Dry Gulch on CA 263
Open to traffic
Built 1929
Elk Creek Road Bridge   [Map · Street View]
Parker through truss bridge over Klamath River on Elk Creek Road
Open to traffic
Built 1953
Elk Creek Road Bridge   [Map]
Deck truss bridge over Elk Creek on Elk Creek Road
Open to traffic
Built 1949
Eller Lane Bridge   [Map · Street View]
Through truss bridge over Scott River on Eller Lane
Open to traffic
Built 1910; rehabilitated 1985
French Creek Road Bridge   [Map]
Subdivided Warren Pony truss bridge over North Fork French Creek on French Creek Road
Open to traffic
Built 1975
Horse Creek Road Bridge   [Map · Street View]
Suspension bridge over Klamath River on Horse Creek Road
Open to traffic
Built 1930; rehabilitated 1944
Hutton Creek Bridge   [Map · Street View]
Concrete tee beam bridge over Hutton Creek on Bailey Hill Road
Open to traffic
Built 1915; Rehabilitated 1924
I-5 - Sacramento River Bridge   [Map · Street View]
Concrete arch bridge over Sacramento River on I-5 in Dunsmuir
Open to traffic
Built 1955; rehabilitated 1983
Klamath River Bridge   [Map · Street View]
Through truss bridge over Klamath River on CA 96
Open to traffic
Built 1953
Klamath River Bridge   [Map · Street View]
Through truss bridge over Klamath River on CA 96
Open to traffic
Built 1954
Klamath River Bridge   [Map · Street View]
Concrete tee beam bridge over Klamath River on State Route 263
Open to traffic
Built 1931
Louie Road Bridge   [Map · Street View]
Through truss bridge over Shasta River (Louie Br) on Louie Road
Open to traffic
Built 1935
North Fork Salmon Road Bridge
Pony truss bridge over Sawmill Gulch on N. Fork Salmon Road
Open to traffic
Built 1965
Pioneer Bridge   [Map · Street View]
Deck truss bridge over Shasta River on CA 263
Open to traffic
Built 1931
Quartz Valley Road Bridge   [Map · Street View]
Relocated pony truss bridge over Lower Shackleford Creek on Quartz Valley Road
Replaced by a new pony truss bridge and moved to a nearby field.
Built 1935, replaced in 2005 and moved to a nearby field.
Quartz Valley Road Bridge   [Map · Street View]
Polygonal Warren pony truss with all verticals bridge over Lower Shackleford Creek on Quartz Valley Road
Open to traffic
Built 2005
Roxbury Bridge   [Map · Street View]
Through truss bridge over Scott River on Roxbury Drive
Closed to all traffic
Built 1915
Scott Mt. Road Bridge   [Map · Street View]
Warren Pony truss bridge over East Fork Scott River on Scott Mt Road
Open to traffic
Built 1914
Scott River Bridge   [Map · Street View]
Through truss bridge over Scott River on Wildcat Creek Road
Open to traffic
Built 1909
Shasta River Bridge   [Map · Street View]
Concrete arch bridge over Shasta River on CA 263
Open to traffic
Built 1931
Shasta River Bridge   [Map · Street View]
Concrete tee beam bridge over Shasta River on State Route 263
Open to traffic
Built 1928
Shelly Bridge   [Map · Street View]
Through truss bridge over Shasta River on Anderson Grade Road
Closed to all traffic
Built 1899, Closed to Traffic 1982
UP - Sacramento River Bridge   [Map]
Pin-connected Pratt through truss bridge over Sacramento River on Union Pacific Railroad
Open to traffic
Built 1901
UP - Tunnel 17   [Map]
Tunnel under Under Dorris Hill on Union Pacific Railroad
Open to traffic
Built 1909
UP - Tunnel 18   [Map]
Tunnel on Union Pacific Railroad
Open to traffic
Built 1909
Walker Bridge   [Map · Street View]
Pennsylvania through truss bridge over Klamath River on Walker Bridge Connection Road
Replaced by new bridge, moved to new location for pedestrian usage
Built in Folsom, CA 1893, Moved to Siskiyou Co. 1932, Replaced and Moved 1997