Humboldt County

Alder Point Road Bridge   [Map · Street View]
Steel stringer bridge over Eel River and NWP RR tracks on Alderpoint Road
Open to traffic
Built 1972
AMR - Mad River Bridge   [Map]
Abandoned pratt through truss bridge over Mad River on Pipeline (Nee Arcata & Mad River Railroad)
Abandoned
Bair Road Bridge   [Map · Street View]
Pony truss bridge over Redwood Creek on Bair Road
Open to traffic
Built 1950-1951; rehabilitated 1967
Bald Hills Road Bridge   [Map · Street View]
Deck truss bridge over Klamath River on Bald Hills Road
Open to traffic
Built 1959; rehabilitated 1965, emergency repairs 2008.
Benbow Bridge   [Map · Street View]
Concrete and stone arch bridge over Eel River on Lake Benbow Drive
Open to traffic
Stone road bridge that was built in 1931 as part of the Benbow Inn Resort. Bypassed by a Hwy 101 freeway bridge. Still used but a dead end.
Bertas Road Bridge 05-12-02   [Map · Street View]
Covered bridge over Elk River on Bertas Road in Pine Hills
Open to traffic
Built 1936; rehabilitated 1972
Blue Lake Bridge   [Map · Street View]
Rainbow arch bridge over North Fork Mad River on Maple Creek Road
Open to traffic
Built 1928
Bluff Creek Bridge   [Map · Street View]
Steel arch bridge over Bluff Creek on CA 96
Open to traffic
Built 1966
Briceland Road Bridge   [Map · Street View]
Concrete bridge over Redwood Creek on Briceland Road
Open to traffic
Built 1935
Bridge Creek Bridge   [Map · Street View]
Concrete tee beam bridge over Bridge Creek on State Route 254
Open to traffic
Built 1938
Brookwood Drive Bridge 05-12-08   [Map · Street View]
Covered bridge over Jacoby Creek on Brookwood Drive in Arcata
Open to traffic
Built 1967
Butler Valley Road Bridge   [Map · Street View]
Concrete arch bridge over Mad River on Butler Valley Road
Open to traffic
Built 1937; rehabilitated 1965
Chezem Road Bridge   [Map]
Through truss bridge over Redwood Creek on Chezem Road in Willow Creek
Open to traffic
Built 1916; rehabilitated 1947
Eel River Bridge   [Map · Street View]
Cantilevered K type through truss bridge over Eel River & NWP Railroad on CA 283 in Rio Dell
Open to traffic
Built 1941
Eel River Bridge   [Map · Street View]
Through truss bridge over Eel River on US 101 in Rio Dell
Open to traffic
Built 1941; rehabilitated 1989
Elk Creek Bridge   [Map · Street View]
Concrete tee beam bridge over Elk Creek on State Route 254
Open to traffic
Built 1940
Ettersburg Road Bridge   [Map]
Concrete open spandrel Arch bridge over Mattole River on Ettersburg Honeydew Road
Open to traffic
Built 1928
Eureka Slough Bridge   [Map · Street View]
Pratt pony truss bridge over Eureka Slough on US 101 in Eureka
Open to traffic
Built 1943; rehabilitated 2001
Fernbridge   [Map · Street View]
Concrete arch bridge over Eel River on CA 211
Open to traffic
Built 1911; rehabilitated 1918
Fort Seward Road Bridge   [Map · Street View]
Deck truss bridge over Eel River on Fort Seward Road
Open to traffic
Built 1958
Hammond Bridge   [Map · Street View]
Pennsylvania through truss bridge over Mad River on Rail-Trail
Open to pedestrians only
Moved here from Washington in 1941, replacing a 1905 covered bridge at this site.
Honeydew Bridge   [Map · Street View]
Through truss bridge over Mattole River on Mattole Road
Open to traffic
Built 1920
Honeydew Creek Bridge   [Map]
Lost Warren pony truss bridge over Honeydew Creek on Wilder Ridge Road
Replaced by new bridge
Replaced 1980, apparently replaced again in 1990
Klamath River Bridge   [Map · Street View]
Deck truss bridge over Klamath River on CA 96
Open to traffic
Built 1949
Lindley Road Bridge   [Map]
Suspension bridge over Mattole River on Lindley Road
Open to traffic
Built 1925
Mad River Bridge   [Map · Street View]
Lost Warren through truss bridge over Mad River on US 101 in McKinleyville
Built 1929; rehabilitated 1959
Maple Creek Bridge   [Map · Street View]
Concrete arch bridge over Maple Creek on Butler Valley Road
Open to traffic
Built 1929
Maple Creek Road Bridge   [Map · Street View]
Concrete arch bridge over Boulder Creek on Maple Creek Road
Open to traffic
Built 1923
Mattole Road Bridge   [Map · Street View]
Deck truss bridge over Mattole River on Mattole Road
Open to traffic
Built 1958
Mattole Road Bridge   [Map · Street View]
Concrete arch bridge over Mattole River on Mattole Road
Open to traffic
Built 1935
McCann Ferry   [Map · Street View]
Ferry across Eel River, Middle Fork on McCann Road
Open to traffic
Ferry operates every winter crossing Eel River
McCann Road Bridge   [Map · Street View]
Slab bridge over Eel River on Mccann Road
Open to traffic
Built 1965
NWP - Alder Point Bridge   [Map]
Through truss bridge over Eel River on Northwestern Pacific Railroad (NWP)
Closed to all traffic
Built 1913 by the American Bridge Co.
NWP - Cairn Rock Bridge   [Map]
Pratt and Warren through truss bridge over Eel River on Northwestern Pacific Railroad (NWP)
Closed to all traffic
Built early 1900's rebuilt 1965 after flood damage
NWP - Eureka Slough Bridge   [Map · Street View]
Deck plate girder bridge over Eureka Slough on Northwestern Pacific Railroad (NWP)
Closed to all traffic
NWP - Eureka Slough Bridge (Old)   [Map]
Lost Through truss bridge over Eureka Slough on Northwestern Pacific RR
Replaced by a new bridge
Built 1916
NWP - Loleta Trestle   [Map · Street View]
Deck plate girder bridge over Loleta creek on Northwestern Pacific Railroad
Closed to all traffic
NWP - Van Duzen River Bridge   [Map · Street View]
Pratt through truss bridge over Van Duzen River on Eureka Southern Railroad
Closed to all traffic
Ohman Creek Bridge   [Map · Street View]
Concrete tee beam bridge over Ohman Creek on State Route 254
Open to traffic
Built 1939
Old Mattole Road Bridge   [Map]
Pratt Pony truss bridge over Mcnutt Creek on Old Mattole Road
Open to traffic
Built 1926
Orleans Bridge   [Map · Street View]
Suspension bridge over Klamath River on CA 96
Open to traffic
Built 1966
Redwood Creek Bridge   [Map]
Lost Pratt through truss bridge over Redwood Creek on US HIGHWAY 101
Replaced by new bridge
Replaced unknown year, current bridge installed 1988.
Redwood Creek Bridge   [Map]
Abandoned pratt through truss bridge over Redwood Creek
Abandoned
Redwood Drive Bridge   [Map]
Concrete arch bridge over Bear Gulch on Redwood Drive
Replaced by new bridge
Built 1921, lost unknown year
Smith Point Bridge   [Map · Street View]
Beam bridge over South Fork Eel River on US HIGHWAY 101
Open to traffic
Built 1980
South Fork Eel River Bridge   [Map · Street View]
Through truss bridge over South Fork Eel River on CA 271
Open to traffic
Built 1917; rehabilitated 1934
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
Sprowl Creek Road Bridge   [Map]
Lost Parker through truss bridge over South Fork Eel River on Sprowl Creek Road
Replaced by new bridge
Replaced 1982
Valley Flower Bridge   [Map]
Lost Concrete tee beam bridge over Salt River on Dillon Road in Port Kenyon
Replaced by a concrete beam bridge in 1994
Built 1919, Replaced 1994
Van Duzen River Bridge   [Map]
Lost concrete arch bridge over Van Duzen River on CA 36
Replaced by a reinforced concrete box girder bridge in 1984
Built 1922
Van Duzen River Bridge   [Map · Street View]
Concrete through arch bridge over Van Duzen River on Abandoned CA-36
Open to pedestrians
Built 1925, Abandoned 1985
Van Duzen River Bridge   [Map · Street View]
Deck arch bridge over Van Duzen River on Abandoned CA-36 in Bridgeville
Open to pedestrians
Built 1925
Van Duzen River Bridge   [Map · Street View]
Lost Open-spandrel arch bridge over Van Duzen River on U.S. 101
Replaced by new bridge in 1996
Built 1925, Replaced 1996
Zanes Road Bridge 05-12-05   [Map · Street View]
Covered bridge over Elk River on Zanes Road in Pine Hills
Open to traffic
Built 1936