Trinity County

Corral Creek Suspension Bridge   [Map]
Wire suspension bridge over Corral Creek on Trail off of Pattison Peak Road
Open to pedestrians only
Rehabilitated 2017
County Line Road Bridge   [Map]
Deck truss bridge over Browns Creek on County Line Road
Open to traffic
Built 1934
Dutch Creek Road Bridge   [Map · Street View]
Steel arch bridge over Soldier Creek on Dutch Creek Road
Open to traffic
Built 2006
East Fork Bridge   [Map]
Deck truss bridge over East Fork of North Fork Trinity River on East Fork Road
Open to traffic
Built 1938; rehabilitated 1960
East Side Road Bridge   [Map · Street View]
Pony truss bridge over East Fork Trinity River on East Side Road
Open to traffic
Built 1960
Evans Bar Road   [Map · Street View]
Steel arch bridge over Soldier Creek on Evans Bar Road
Open to traffic
Built 2006
Fawn Lodge Road Bridge   [Map]
Bailey truss bridge over Grass Valley Creek on Fawn Lodge Road in Lewiston
Open to traffic
Built 1957
Grass Valley Creek Bridge   [Map]
Concrete tee beam bridge over Grass Valley Creek on Old CA-299
Open to traffic
Built 1928
Halls Gulch Bridge   [Map · Street View]
Steel stringer bridge over Halls Gulch on East Fork Road
Open to traffic
Built 1973
Hayfork Creek Bridge   [Map · Street View]
Pony truss bridge over Hayfork Creek on Bridge Street in Hayfork
Replaced by a pre-cast concrete girder bridge in 2004
Built 1948, Replaced 2004
Hayfork Creek Bridge   [Map · Street View]
Pratt pony truss bridge over Hayfork Creek
Hayfork Suspension Footbridge   [Map]
Wire suspension bridge over Hayfork Creek on pedestrian pathway
Open to pedestrians only
NWP - Island Mountain Bridge   [Map]
Warren through truss bridge over Eel River on Northwestern Pacific Railroad
Closed to all traffic
Built 1965
NWP - Island Mountain Bridge (Old)   [Map]
Lost Warren deck truss bridge over Eel River on Northwestern Pacific Railroad
Destroyed by flooding
Built 1913; Destroyed by flooding 1964
NWP - Island Mountain Tunnel   [Map]
Tunnel on Northwestern Pacific Railroad
Closed
Old Big French Creek Road Bridge   [Map · Street View]
Bridge over Big French Creek on Old Big French Creek Road
Open to pedestrians only
Ramshorn Creek Bridge   [Map]
Lost pony truss bridge over Ramshorn Creek on Ramshorn Road
No longer exists
Replaced 2001
South Fork of the Trinity River Bridge   [Map]
Wire suspension bridge over South Fork of the Trinity River on Private Road, South Fork Trail
Open to authorized vehicles and pedestrians
South Fork of the Trinity River Bridge   [Map]
Wire suspension bridge over South Fork of the Trinity River on Private Road, South Fork Trail
Open to authorized vehicles and pedestrians
South Fork Trinity River Bridge   [Map · Street View]
Lost Deck truss bridge over South Fork Trinity River on State Route 299 in Salyer
Replaced by new bridge
Built 1929, Replaced 1988
SR 299-Manzanita Creek Bridge   [Map · Street View]
Concrete tee beam bridge over Manzanita Creek on State Route 299
Open to traffic
Built 1923; rehabilitated 1973
Suspension Bridge   [Map · Street View]
Abandoned wire suspension bridge over Hayfork Creek
Derelict/abandoned, most of deck missing. Unknown what it leads to.
This bridge was built after oil barrels were invented, they are used for the foundation.
Swede Creek Bridge   [Map · Street View]
Closed-spandrel arch bridge over Swede Creek on Abandoned CA 299
Open to pedestrians
Built 1923
The Car Bridge   [Map]
Timber stringer bridge over Hayfork Creek on Pattison Peak Road
Open to traffic, removed every winter, rebuilt every spring by Bar 717 Ranch
The Suspension Bridge   [Map]
Wire suspension bridge over Hayfork Creek on Trail off of Pattison Peak Road
Open to pedestrians only
Built 1974 by the Wills Brothers and rehabilitated c. 2015
Turnpike Road Bridge   [Map · Street View]
Through truss bridge over Trinity River on Turnpike Road in Lewiston
Open to traffic
Built 1901; rehabilitated 1975
West Van Duzen Road Bridge   [Map · Street View]
Lost steel stringer bridge over Van Duzen River on West Van Duzen Road
Replaced by a new bridge
Built 1965, demolished circa 2013