There are 2,711 bridges in this category · Only showing 1,889 bridges with photos
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California

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SN - Chabot Road Overpass (Alameda County, California)
Built ?; Removed 1957
Lost Deck plate girder bridge over Chabot Road on Sacramento Northern Railway
Removed

SN - East Finger Lake Temescal Bridge (Alameda County, California)
Built 1913; Removed ca. 1936
Lost Deck plate girder bridge over East Finger Lake Temescal on Sacramento Northern Railway
Removed and the finger filled

SN - Feather River Bridge (Pre 1937) (Butte County, California)
Lost Pratt through truss bridge over Feather River on Sacramento Northern Railway
Removed

SN - Florence Avenue Trestle (Alameda County, California)
Built ?; Removed 1957
Lost Timber stringer bridge over Abandoned section of Florence Avenue on Sacramento Northern Railway
Removed

SN - Montezuma River Bridge (Solano County, California)
Built 1912
Lost Pennsylvania through truss bridge over Montezuma River on Sacramento Northern Railway
No longer exists

SN - Redwood Peak Tunnel (Alameda County, California)
Built 1911, closed & sealed 1957; Caved-in 1982
Abandoned tunnel through Shepherd/Redwood Canyon on Sacramento Northern Railway
Abandoned

SN - St. John Bridge (Butte County, California)
Built ca 1907; Lost ca 1917
Lost Pontoon Howe pony truss bridge over Sacramento River on Northern Electric Railroad
Destroyed by flooding

SN - Suisun Bay Ferry "Ramon" (Contra Costa County, California)
Built 1915; Operations ceased 1954
Lost Ferry across Suisun Bay on Sacramento Northern
No Longer In Operation

SN - Thornhill Drive Overpass (Alameda County, California)
Built ?; Deck plate girder added ca 1930; Removed in 1957
Lost Deck plate girder bridge over Thornhill Drive on Sacramento Northern Railway
Removed

SN - Winchester Lake Bridge (Yolo County, California)
Built 1927
Lost Bridge over Winchester Lake/Tule Slough on Sacramento Northern Railway
No longer exists

Snake Ravine Bridge (Stanislaus County, California)
Built 1918
Concrete arch bridge over Snake Ravine on CA 132
Open to traffic

Soda Canyon driveway (Napa County, California)
Kingpost pony truss bridge over Soda Creek on Private Drive
In storage or disassembled

Soda Creek Bridge (Napa County, California)
Built 1910; rehabilitated 1955
Stone arch bridge over Soda Creek on CA 128
Open to traffic

Soda Creek Road Bridge (Shasta County, California)
Built 1960
Bailey pony truss bridge over South Fork Soda Creek on Soda Creek Road
Open to traffic

Soda Creek Road Bridge (Shasta County, California)
Built 1930
Pratt pony truss bridge over Soda Creek on Soda Creek Road
Open to traffic

Soda Springs Road Bridge (Placer County, California)
Built 1900
Warren pony truss bridge over North Fork American River on Soda Springs Road
Open to traffic

Soeth Road Bridge (Glenn County, California)
Built 1900
Pratt Through truss bridge over Stony Creek on Soeth Road
Open to traffic

Solano Avenue Tunnel (Alameda County, California)
Built 1930
Tunnel under under Marin Avenue on Solano Avenue
Open to traffic

Soledad Canyon Road Overpass (Los Angeles County, California)
Built 1938
Arch bridge over UP Railroad on Soledad Canyon Road
Open to traffic

Soledad Canyon Road Santa Clara River Bridge (Mill Canyon) (Los Angeles County, California)
Built 1952
Steel stringer bridge over Santa Clara River on Soledad Cyn Road
Open to traffic

Soledad Canyon Road Santa Clara River Bridge (Mill Canyon) (Los Angeles County, California)
Bridge over Santa Clara River on Soledad Canyon Road
Open to traffic

Soledad Canyon Tunnel (Los Angeles County, California)
Built 1935
Tunnel on Soledad Canyon Road
Open to traffic

Somes Bar Bridge (Siskiyou County, California)
Lost Through truss bridge over Salmon River on SR 96
Replaced by a new bridge

Sonoma Raceway "The Chute" (Sonoma County, California)
Built 1998
Corrugated multi-plate arch bridge over Infield on Sonoma Raceway "The Chute"
Open to authorized vehicles only

Soquel Avenue Covered Bridge 05-44-05x (Santa Cruz County, California)
Covered bridge built 1874, replaced by first concrete bridge 1921
Lost Covered Through truss bridge over San Lorenzo River on Soquel Avenue
Replaced by new bridge

Soquel Creek Bridge (Santa Cruz County, California)
Built 1947; rehabilitated 1995
Concrete arch bridge over Soquel Creek, Wharf Road on CA 1 in Capitola
Open to traffic

Soquel Drive Bridge (Santa Cruz County, California)
Built 1928
Concrete arch bridge over Aptos Creek on Soquel Drive in Aptos
Open to traffic

Soscol Avenue Napa River Bypass (Napa County, California)
Built 2004, bypass not excavated as of 2009.
Beam bridge over Napa River Bypass on Soscol Avenue in Napa
Open to traffic

Soto Street Bridge (Los Angeles County, California)
Built 1928; rehabilitated 1987, seismic refit, 1996
Open spandrel Concrete arch bridge over Los Angeles River on Soto Street in Vernon
Open to traffic

Soto Street Mission Road Viaduct (Los Angeles County, California)
Built 1936
Plate girder bridge over Mission Road/Huntington Drive on Soto Street in Los Angeles
Open to traffic

Soto Street Valley Boulevard Viaduct (Los Angeles County, California)
Built 1936
Steel stringer bridge over Valley Blvd/Sptco on Soto Street in Los Angeles
Open to traffic

South Avenue Bridge (Amador County, California)
Built 1925
Steel stringer bridge over South Fork Jackson Creek on South Avenue
Open to traffic

South Branch Sand Creek Bridge (Colusa County, California)
Built 1930
Wooden bridge over South Branch Sand Creek on Ohm Road
Open to local farm traffic only

South Fork American River Footbridge (El Dorado County, California)
Built 1918; Demolished 1957
Lost Bridge over South Fork American River on Pedestrian Pathway
Demolished

South Fork Eel River Bridge (Mendocino County, California)
Built 1917; rehabilitated 1934
Through truss bridge over South Fork Eel River on CA 271 (formerly US 101)
Open to traffic

South Fork Eel River Bridge (Mendocino County, California)
Built 1944
Through truss bridge over South Fork Eel River on CA 1
Open to traffic

South Fork Gualala River Bridge (Sonoma County, California)
Current bridge installed 1984, likely multiple previous bridges at this location
Lost Pratt deck truss bridge over South Fork Gualala River on Stewart's Point Skagg Springs Road
Replaced by new bridge

South Fork Kaweah River Bridge (Tulare County, California)
Built 1952
Pony truss bridge over South Fork Kaweah River on M348
Open to traffic

South Fork Kaweah River Bridge (Tulare County, California)
Built 1959
Pony truss bridge over South Fork Kaweah River on South Fork Drive in Three Rivers
Open to traffic

South Fork of the Trinity River Bridge (Trinity County, California)
Wire suspension bridge over South Fork of the Trinity River on South Fork Trail
Open to pedestrians only

South Fork Trinity River Bridge (1929) (Humboldt County, California)
Built 1929, Replaced 1988
Lost Deck truss bridge over South Fork Trinity River on State Route 299 in Salyer
Replaced by new bridge

South Fork Trinity River Bridge (Pre 1929) (Trinity County, California)
This bridge was built on the wagon road that connected Eureka to Redding and is now known as California State Route 299.
Wire suspension bridge over South Fork of the Trinity River on Redding-Eureka Wagon Road
Demolished in 1929

South Fork Tuolumne River Bridge (Tuolumne County, California)
Built 1937
Steel stringer bridge over South Fork Tuolumne River on Tioga Road
Open to traffic

South Fork Willow Slough Bridge (Yolo County, California)
Built 1930
Concrete slab bridge over South Fork Willow Slough on CR 25
Open to traffic

South Higuera Street Bridge (San Luis Obispo County, California)
Built 1928
Concrete tee beam bridge over San Luis Obispo Creek on Higuera Street
Open to traffic

South Honcut Creek Bridge (Yuba County, California)
Built 1914, replaced 2012
Concrete bridge over South Honcut Creek on Honcut Road in Loma Rica
Replaced by a new bridge

South Matilija Tunnel (Ventura County, California)
Built 1931
South Matilija Tunnel on State Route 33
Open to traffic

South San Antonio Creek Bridge (Marin County, California)
Built 1917
Girder bridge over South San Antonio Creek on San Antonio Road
Open to traffic

South Shingle Rd Bridge (El Dorado County, California)
Built 1920's
Concrete culvert bridge over Clark Creek on South Shingle Rd
Open to traffic

South Yuba River Bridge (Nevada County, California)
Built 1921
Concrete arch bridge over South Yuba River now used as pedestrian walk
Pedestrian traffic only, replaced by new bridge

Southern Pacific Railroad Bridge (Sacramento County, California)
Built 1884 by Phoenix Bridge Company, originally located near Saugus, later relocated to Tehachapi Creek and later to Danville
Pratt through truss bridge on Display train
Intact but closed to all traffic

SP - 29th Street Overpass (San Francisco County, California)
Built 1890; Removed 1942
Lost Deck plate girder bridge over 29th Street on Southern Pacific Railroad
Removed but not replaced

SP - Big Trees Bridge (Old) (Santa Cruz County, California)
Built here 1905; Replaced 1908
Lost Whipple through truss bridge over San Lorenzo River on Southern Pacific Railroad
Replaced by a new bridge

SP - Bosworth Street Viaduct (San Francisco County, California)
Lost Closed-spandrel arch bridge over Bosworth Street on Southern Pacific RR
Removed but not replaced

SP - Brazos Drawbridge (1903) (Napa County, California)
Built 1903 ; replaced 1979
Lost Pratt through truss bridge over Napa River on Southern Pacific
Replaced by a new bridge

SP - Brookdale Bridge (Santa Cruz County, California)
Line abandoned in 1933
Lost Deck plate girder bridge over San Lorenzo River on Southern Pacific RR
Removed but not replaced

SP - Compton Creek Bridge (Los Angeles County, California)
Lost Warren pony truss bridge over Compton Creek on Southern Pacific Railroad & Pacific Electric Railway
Replaced by a new bridge

SP - Coyote Creek Bridge (Santa Clara County, California)
Built 1905
Deck girder bridge over Coyote Creek on Southern Pacific RR
No longer exists

SP - Delta Cross Channel Bridge (Sacramento County, California)
Built 1951
Abandoned deck plate girder bridge over Delta Cross Channel on Southern Pacific Railroad
Abandoned

SP - Dolores Street Overpass (San Francisco County, California)
Built 1890; Removed 1942
Bridge over Dolores Street & 27th Street on Southern Pacific Railroad
Removed but not replaced

SP - Donner Summit Snowsheds/Tunnels (Placer County, California)
Track 1 abandoned in 1996
Tunnel on Railroad
Open to pedestrians only

SP - Dumbarton Bridge (Alameda County, California)
Built 1910, last used for freight 1982; acquired by San Mateo County Transit District 1994
Abandoned baltimore through truss bridge over San Francisco Bay on Caltrain
Abandoned

SP - Farwell Bridge (1866) (Alameda County, California)
Built 1866
Lost single-span covered wooden Howe through truss bridge over Alameda Creek and Niles Canyon Road on Southern Pacific Railroad
Replaced by a new bridge

SP - Felton Trestle (Santa Cruz County, California)
Built here 1908; Removed sometime between abandonment in 1938 and 1940.
Lost Pratt through truss bridge over San Lorenzo River on Southern Pacific Railroad
Removed

SP - Firestone Boulevard Overpass (Los Angeles County, California)
Built 1937; Replaced 1987
Lost Pony plate girder bridge over Firestone Boulevard on Southern Pacific Railroad (Nee Pacific Electric Railway)
Replaced by a new bridge

SP - Georgiana Slough Bridge (Sacramento County, California)
Built 1929; Removed ca. 1980-1983
Lost Warren through truss bridge over Georgiana Slough on Southern Pacific RR
Removed but not replaced

SP - Golden Gate Ferries Limited Auto Ferries (San Francisco County, California)
Auto ferry service began 1909; Ferry service stopped in 1958.
Lost Ferry across San Francisco Bay carrying automobiles
No Longer In Operation

SP - Happy Valley Road Overpass (Alameda County, California)
Steel stringer bridge over Happy Valley Road on SP Railroad
Derelict/abandoned

SP - Los Angeles River Bridge (Los Angeles County, California)
Built ca. 1904
Lost Through truss bridge over Los Angeles River on Southern Pacific Railroad
Replaced

SP - Los Angeles River Bridge (1903) (Los Angeles County, California)
Built 1903; Destroyed in the Los Angeles flood of 1938
Lost Pony/through plate girder bridge over Los Angeles River on Southern Pacific Railway
Destroyed by flooding

SP - Los Angeles River Bridge (1939) (Los Angeles County, California)
Built 1939; Replaced in the early 90s
Lost Girder bridge over Los Angeles River on Southern Pacific Railway
Replaced by a new bridge

SP - Los Angeles River Bridge (Long Beach) (Los Angeles County, California)
Built 1956; Replaced in the 1980s
Lost Deck plate girder bridge over Los Angeles River on Pacific Electric Railway
Replaced by a new bridge

SP - Mission Bay Turntable (San Francisco County, California)
Built 1920s; Demolished 1960
Lost Polygonal Warren pony truss bridge over Pit on Southern Pacific Railroad
Removed but not replaced

SP - Mission Bay Turntable (1906) (San Francisco County, California)
Built 1906; Replaced 1920s
Lost Deck plate girder turntable on Southern Pacific
Demolished

SP - Mossdale Bridge (1869) (San Joaquin County, California)
Built 1869; Replaced 1895
Lost Truss bridge over San Joaquin River on Southern Pacific Railroad
Replaced by a new bridge

SP - Mossdale Bridge (1895) (San Joaquin County, California)
Built 1895; Replaced 1942
Steel truss bridge over San Joaquin River on Southern Pacific Railroad
Replaced by a new bridge

SP - Newark Slough Drawbridge (Alameda County, California)
Built 1910
Baltimore through truss bridge over Newark Slough on Caltrain; this is the east end of SP Dumbarton Bridge
Closed to all traffic

SP - Owens River Bridge (Inyo County, California)
Lost Pratt through truss bridge over Owens River on Southern Pacific Railroad
Removed but not replaced

SP - Sacramento River Lift Bridge (Tehama County, California)
Lost Pratt through truss bridge over Sacramento River on Southern Pacific Railroad
No longer exists

SP - San Luis Obispo Turntable (San Luis Obispo County, California)
Built 1903; Removed 1994
Lost Warren pony truss bridge over Pit on Southern Pacific Railroad San Luis Obispo Roundhouse
Filled in

SP - Shasta Lake Bridge (Shasta County, California)
Built 1901; Inundated 1948
Pratt through truss bridge over Sacramento River on Southern Pacific Railroad
Inundated

SP - Shasta Line Tunnel #5 (Shasta County, California)
Built 1884; Expanded 1927; Inundated 1948
Bridge on Southern Pacific Railroad
Inundated

SP - Shasta Line Tunnel #6 (Shasta County, California)
Built ca. 1884; Inundated 1948
Tunnel on Central Pacific/Southern Pacific Railroad
Inundated

SP - Snodgrass Slough Bridge (Sacramento County, California)
Built 1912: Removed 1971
Lost Baltimore through truss bridge over Snodgrass Slough on Southern Pacific Railroad
Removed

SP - Summit Tunnels 6, 7, and 8 (Placer County, California)
Built by the Central Pacific Railway as part of the original transcontinental railway to finally cross the Sierra's at Donner Pass; Track 1 abandoned in 1996
Abandoned tunnels on former Central Pacific (later SP) Railroad
Abandoned

SP - Tujunga Wash Bridge (Los Angeles County, California)
Built 1929-30; Removed 1965
Lost Deck plate girder bridge over Tujunga Wash on Southern Pacific Railroad (Nee Pacific Electric Railway)
Replaced by a new bridge

SP - Tunnel #5 (San Francisco County, California)
abandoned in 1956 when the old Bayshore Highway was expanded
Abandoned tunnel under Sierra Point on Southern Pacific RR
Derelict/abandoned

SP - Tunnel No. 10 (San Luis Obispo County, California)
Collapsed 1910 and bypassed by current alignment
Lost Tunnel under Hillside on Abandoned Southern Pacific Railroad
Partially collapsed and portals are boarded up

SP - Yuma Swing Bridge (1877) (Yuma County, Arizona)
Built 1877; Destroyed July 1, 1884
Lost Howe pony truss bridge over Colorado River on Southern Pacific Railroad
Destroyed by flooding

SP - Yuma Swing Bridge (1884) (Yuma County, Arizona)
Built 1884; Burned 1885
Lost Howe pony truss bridge over Colorado River on Southern Pacific Railroad
Destroyed by fire

SP - Yuma Swing Bridge (1886) (Yuma County, Arizona)
Built 1886; Replaced 1894
Lost Howe pony truss bridge over Colorado River on Southern Pacific Railroad
Replaced by a new bridge

SP - Yuma Swing Bridge (1894) (Yuma County, Arizona)
Built 1894-1899; Replaced 1923 on a new alignment.
Lost Parker through truss swing bridge over Colorado River on Southern Pacific Railroad
Replaced by a new bridge

SP/PE - West Basin Bascule Bridge (Los Angeles County, California)
Built 1912; Removed 1955
Lost Warren baltimore through truss bascule bridge over West Basin/Turning Basin on Pacific Electric Railway/Southern Pacific Railroad
Removed

Spanish Creek Bridge (1932) (Plumas County, California)
Built 1932; replaced 2012
Lost deck truss bridge over Spanish Creek on CA 70
Replaced by a new bridge

Spanish Creek Bridge (2012) (Plumas County, California)
Built in 2012 to replace old Spanish Creek Bridge
Open-spandrel arch bridge over Spanish Creek on CA HWY 70
Open to traffic

Spanish Ranch Road Bridge (Plumas County, California)
Built 1962
Steel stringer bridge over Spanish Creek on Spanish Ranch Road
Open to traffic

SPC - San Lorenzo River Trestle (Santa Cruz County, California)
Built 1879, replaced 1906
Lost Double-intersection Warren deck truss bridge over San Lorenzo River on South Pacific Coast Railroad
Replaced by a new bridge

Spenceville Road Bridge (Yuba County, California)
Built 1920, converted to pedestrian use unknown year.
Concrete closed-spandrel deck arch bridge over Dry Creek on Spenceville Road
Open to pedestrians as part of trail. May be crossed by authorized vehicles.

Spenceville Road Bridge (Nevada County, California)
Built 1920.
Timber stringer bridge over Tributary of Dry Creek on Spenceville Road
Open to traffic

Spenceville Road Bridge (Yuba County, California)
Built 1920.
Concrete stringer bridge over Tributary of Dry Creek on Spenceville Road
Open to traffic