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Southern Pacific Railroad

Reporting mark: SP
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HB&T - Buffalo Bayou Swing Bridge (Harris County, Texas)
Through truss bridge over Buffalo Bayou on Railroad
Open to traffic

I-5 - Pit River Bridge (Shasta County, California)
Built 1941, rehabilitated 2008
Double deck, deck truss bridge over Shasta Lake (Pit River Arm) on I-5 & Union Pacific Railroad
Open to traffic

IER - Oakland Estuary Bridge (Alameda County, California)
Replaced 1951
Lost Through truss bridge over Oakland Estuary on Interurban Electric Railway
Replaced by a new bridge

Iron Horse Regional Trail - Walnut Creek Bridge (Monument Boulevard) (Contra Costa County, California)
Unknown history, part of an urban railroad to trail conversion project
Pratt through truss bridge over Walnut Creek on Iron Horse Trail
Open to pedestrians

Iron Horse Regional Trail - Walnut Creek Bridge (Ygnacio Valley Road) (Contra Costa County, California)
Railroad Bridge, 1929, re-used at this location for pedestrian walkway
Pratt through truss bridge over Walnut Creek on Iron Horse Trail
Open to pedestrians

Iron Horse Trailhead - Santa Clara River Bridge (Los Angeles County, California)
Built in 1898 over the Colorado River; Relocated here 1928 after the Saint Francis Dam collapse washed away the previous bridge.
Parker through truss bridge over Santa Clara River on Iron Horse Trail
Open to pedestrians

Islais Creek Bridge (Old) (San Francisco County, California)
Built 1915 ; replaced in 1945
Lost Baltimore through truss bridge over Islais Creek on Third Street/Kentucky Street
Replaced by a new bridge

J. Robert Chapman Memorial Bridge (Solano County, California)
Built 1906, abandoned 1960's, rehabilitated, pedestrian, 2006.
Pratt through truss bridge over Putah Creek on Pedestrian Walkway in Winters
Open to pedestrians

KCS - Colorado River Bridge (Wharton County, Texas)
Built 1903; abandoned 1986, re-opened 2009
Through truss bridge over Colorado River on the Kansas City Southern railway
Open to traffic

Knights Landing Swing Bridge (Yolo County, California)
Built 1902; Road section removed ca. 1933; Removed ?
Lost Pratt through truss bridge over Sacramento River on Road & Southern Pacific Railroad
Replaced by a new bridge

LACM - San Fernando Tunnel (Los Angeles County, California)
Work started March 22, 1875, opened August 12, 1876.
Tunnel under Freemont Pass/San Fernando Pass on Union Pacific Railroad/Metrolink
Open to traffic

LACM - Victory Place Overpass (Los Angeles County, California)
Built 1932
Bridge over Victory Place on Southern Pacific, Amtrak, and Metrolink in Burbank
Open to Traffic

Liddell Creek Tunnel (Santa Cruz County, California)
Bridge over Liddell Creek on CA 1 & Union Pacific Railroad (Nee Southern Pacific) and Ocean Shore Railroad
Open to traffic

Los Angeles Cable Railway Viaduct (Los Angeles County, California)
Built 1889; Demolished 1910
Lost Deck truss bridge over Los Angeles River & Southern Pacific Yard on Los Angeles Cable Railway
Removed but not replaced

Main Street Bridge (San Joaquin County, California)
Built 1903; Replaced 1927
Lost Through truss bridge over Mormon Slough on Main Street w Southern Pacific RR
Replaced by a new bridge

Mill City Trail - North Fork Santiam River Bridge (Marion County, Oregon)
Built 1888 near San Jose, CA, Relocated to Mill City 1919.
Pratt through truss bridge over North Fork Santiam River on Mill City Trail
Open to pedestrians

NCRy - Arroyo de la Laguna Bridge (Alameda County, California)
Warren through truss bridge over Alameda Creek on Niles Canyon Railway/Union Pacific Railroad
Open to traffic

NCRy - CA238 Overpass (Alameda County, California)
Built 1937; Replaced 2006
Lost Girder bridge over CA 238 on Niles Canyon Railway/Union Pacific Railroad
Replaced by a new bridge

NCRy - Dresser Bridge (Alameda County, California)
Warren through truss bridge over Alameda Creek, Hwy 84 on Niles Canyon Railway/Union Pacific Railroad


NCRy - Farwell Bridge (Alameda County, California)
Built in 1865-66 as part of the original transcontinental railroad by the Western Pacific RR as part of the line form Sacramento to San Francisco. The WPRR was engulfed by the Central Pacific RR in 1867 and eventually folded into the Southern Pacif .
Pratt through truss bridge over Alameda Creek (also CA 84) on Niles Canyon Railroad (NCRy)
Open to traffic

NCRy - Niles Canyon Road Overpass (Alameda County, California)
Built 1941
Girder bridge over Niles Canyon Road on Niles Canyon Railway/Union Pacific Railroad & Offramp
Open to traffic

NWP - Alderpoint Bridge (Humboldt County, California)
Built 1913 by the American Bridge Co.
Through truss bridge over Eel River on Northwestern Pacific Railroad (NWP)
Closed to all traffic

NWP - Cain Rock Bridge (Humboldt County, California)
Built 1910; Spans lost during 1964 flood and repalced.
Pratt and Warren through truss bridge over Eel River on Northwestern Pacific Railroad (NWP)
Closed to all traffic

NWP - Eureka Slough Bridge (Humboldt County, California)
Deck plate girder bridge over Eureka Slough on Northwestern Pacific Railroad (NWP)
Open to authorized vehicles only

NWP - Haystack's Landing Bridge (Sonoma County, California)
Built 1903; Replaced 2015; last train operated over Sept. 21, 2015
Warren through truss bridge over Pataluma River on Railroad (SMART)
Replaced by a new bridge

NWP - Healdsburg Bridge (Sonoma County, California)
Built 1921 to replace earlier timber bridge
Subdivided Warren through truss bridge over Russian River on Northwestern Pacific Railroad
Closed

NWP - Island Mountain Bridge (Trinity County, California)
Built 1965
Warren through truss bridge over Eel River on Northwestern Pacific Railroad
Closed to all traffic

NWP - Island Mountain Tunnel (Trinity County, California)
Tunnel on Northwestern Pacific Railroad
Closed

NWP - Loleta Trestle (Humboldt County, California)
Built 1930
Deck plate girder bridge over Loleta creek on Northwestern Pacific Railroad
Closed to all traffic

NWP - Loleta Tunnel (Humboldt County, California)
Abandoned tunnel on Northwestern Pacific Railroad
Abandoned

NWP - Van Duzen River Bridge (Humboldt County, California)
Built 1913
Pratt through truss bridge over Van Duzen River on Eureka Southern Railroad
Closed to all traffic

OC&E State Trail - USRS "A" Canal Bridge (Klamath County, Oregon)
Built 1898, 1917 Relocated to Klamath Falls
Pratt through truss bridge over USRS "A" Canal on Oregon, California & Eastern Railroad Trail
Open to pedestrians

Old Safford Road Bridge (Greenlee County, Arizona)
Built 1907
Concrete arch bridge over Southern Pacific Railroad on Old Safford Road in Clifton
Open to traffic

Orange Blossom Trail - Zanja Bridge (San Bernardino County, California)
Built 1902; Converted ca. 2012
Pratt through truss bridge over The Mission Zanja on Orange Blossom Trail
Open to pedestrians only

P&SVRR - Deer Creek Bridge (El Dorado County, California)
Built 1970's to replace a similar bridge built in 1864, still in use on a preserved railroad.
Deck plate girder bridge over Deer Creek on Placerville & Sacramento Valley Railroad (P&SVRR)
Open to traffic

P&SVRR - Hangtown Creek Bridge (El Dorado County, California)
Built 1906
Concrete pony arch bridge over Hangtown Creek on Placerville and Sacramento Valley Railroad (P&SVRR)
Intact but closed to all traffic

P&SVRR - Latrobe Creek Bridge (El Dorado County, California)
Built 1863-1864, still in use on a preserved railroad.
Timber stringer bridge over Latrobe Creek on Placerville & Sacramento Valley Railroad (P&SVRR)
Open to traffic

Palisade Canyon Road Bridge (Eureka County, Nevada)
Former railroad bridge converted to vehicle use when RR installed new bridge
Through truss bridge over Humboldt River on Road
Open to traffic

PE - El Prado Bridge (Los Angeles County, California)
Built 1913, refurbished/restored 2012
Concrete tee beam bridge over Torrance Blvd on former Southern Pacific RR (nee-Pacific Electric) in Torrance
Restored 2012, reopened to pedestrians

PE - San Gabriel River Bridge (Bellflower; Old) (Los Angeles County, California)
Built ? elsewhere; Erected here ca. 1905; Replaced 1963
Lost Pratt through truss bridge over San Gabriel River on Pacific Electric Railway
Replaced by a new bridge

Pecos River Railroad Trestle (Guadalupe County, New Mexico)
Deck plate girder bridge over Pecos River on Union Pacific Railroad (formerly Southern Pacific Railroad)
Open to traffic

PNWR - Lake Oswego Bridge (Clackamas County, Oregon)
The bridge was built in 1907 by the Southern Pacific Railroad, in response to the desires of Portland city planners for an eastside railway bypass to keep rail traffic out of downtown Portland.
Parker through truss bridge over Willamette River on Union Pacific Railroad in Lake Oswego
Open to traffic

PNWR - Votaw Overcrossing (Washington County, Oregon)
Built 1959
Steel stringer bridge over OR 99W on Portland & Western Railroad
Unknown status

PNWR - Willamette River Bridge (Linn County, Oregon)
Built 1921 by the Southern Pacific Railroad
Swing span through truss bridge over Willamette River on Portland and Western Railroad (PNWR) in Albany
Open to traffic

POTB - Baldwin Creek Trestle (Tillamook County, Oregon)
Abandoned bridge over Baldwin creek on Abandoned POTB line
abandoned

POTB - Hathaway Slough Bridge (Tillamook County, Oregon)
Steel stringer bridge over Hathaway slough on POTB railway
Open to traffic

POTB - Kilchis River Bridge (Tillamook County, Oregon)
Built 1898.
Pratt through truss bridge on Port of Tillamook Bay Railroad
Open to traffic

POTB - Nehalem River Bridge (Tillamook County, Oregon)
Originally built for the Central Pacific over the Truckee River at Verdi, California.
Through truss bridge over Nehalem River on Port of Tillamook Bay Railroad
Open

POTB - Nehalem River Bridge No. 2 (Tillamook County, Oregon)
Through truss bridge over Nehalem River on Port of Tillamook Bay Railroad
Abandoned

POTB - OR47 Overpass (Washington County, Oregon)
Steel stringer bridge over OR 47 on Port of Tillamook Bay Railroad
Open to traffic

POTB - Salmonberry River Bridge No. 3 (Tillamook County, Oregon)
Built 1907
Warren through truss bridge over Salmonberry River on Port of Tillamook Bay Railroad
Derelict/abandoned

POTB - Stasek Slough Bridge (Tillamook County, Oregon)
Bridge over Stasek Slough on POTB railroad
Open to traffic

POTB - Tillamook Undercrossing (Tillamook County, Oregon)
Built 1957
Steel stringer bridge over OR-6 on POTB Railroad
Open to traffic

POTB - Tunnel No. 2 (Tillamook County, Oregon)
Abandoned bridge
abandoned

POTB - Tunnel No. 3 (Tillamook County, Oregon)
Abandoned bridge over Under hill side on Abandoned POTB line
abandoned

POTB - Wilson River Bridge (Tillamook County, Oregon)
Built in 1884 by the Union Bridge Co. of Buffalo, N.Y., altered in 1901.
Pratt through truss bridge over Wilson River on Port of Tillamook Bay Railroad
Open to traffic

POTB - Wolf Creek Trestle (Tillamook County, Oregon)
Bridge on Abandoned POTB line
abandoned

Railroad Bridge Campground Bridge (Chaffee County, Colorado)
Built 1919 by the Virginia Bridge & Iron Co.
Through truss railroad bridge over the Arkansas River at Railroad Bridge Access Park
Inactive.

RI - Gasconade River Bridge (Osage County, Missouri)
Built 1902 by A.J. Tullock; out of service since 1980.
Pratt deck truss over Gasconade River on the Rock Island Railroad between Freeburg and Belle
Abandoned; Burned November 2017

RI - Haw Creek Bridge (Morgan County, Missouri)
Deck truss bridge over Haw Creek on former Rock Island RR
Line currently out of service

RI - Henley/Hoecker Bridge (Miller County, Missouri)
Bridge built at Hoecker/Henley, MO in 1903 for Chicago, Rock Island, & Pacific Railroad; out of service since 1980.
Through truss bridge over the Osage River on the Rock Island Railroad
Rail line currently out of service

RI - Soap Creek Trestle (Gasconade County, Missouri)
Closed since 1980
Deck plate girder over Soap Creek on Missouri Central Railroad (former RI)
Intact but closed to all traffic

Road T RR Overpass (Seward County, Kansas)
Built 1938
Girder bridge over UP RR on CR 14
Open to traffic

Rock Island - Bridge #2106 (Benton County, Missouri)
Abandoned DPG Bridge over Flat Creek on inactive railroad
Intact but closed to all traffic

SA&AP - Nueces Bay Causeway (Old) (Nueces County, Texas)
Built ca. 1896, Replaced ca. 1913
Lost Howe through truss swing bridge over Nueces Bay on San Antonio & Aransas Pass Railway
Replaced by a new bridge

Samson of the Cimarron (Seward County, Kansas)
Built in 1939 by the Rock Island Railroad, replacing several earlier bridges
Deck truss bridge over Cimarron River on Union Pacific Railroad (former RI)
Open to traffic

San Vicente Creek Tunnel (Santa Cruz County, California)
Built 1906
Tunnel for San Vicente Creek under CA 1 & Union Pacific Railroad (Nee Southern Pacific) and Ocean Shore Railroad
Open to traffic

SC&MB - Aptos Creek Bridge (Santa Cruz County, California)
Deck plate girder bridge on Union Pacific Railroad
Open to traffic

SC&MB - CA 1 Overpass (Santa Cruz County, California)
Built 1948
Girder bridge over State Route 1 on Railroad (UP)
Open to traffic

SC&MB - La Selva Beach Trestle (Santa Cruz County, California)
Built 1927, Completely Replaced 2014
Deck plate girder bridge over Leonard Gulch on The Santa Cruz & Monterey Bay Railroad (SC&MB)
In Process of Demolition and Replacement

SC&MB - Pajaro River Bridge (Monterey County, California)
Deck girder bridge over Pajaro River on Santa Cruz & Monterey Bay Railroad
Open to traffic

SC&MB - San Lorenzo River Bridge (Santa Cruz County, California)
Built 1904
Warren through truss bridge over San Lorenzo River on Union Pacific Railroad
Open to traffic

SC&MB - Seascape Trestle (Santa Cruz County, California)
Built 1932
Timber stringer bridge over Bush Gulch on Santa Cruz & Monterey Bay Railway
Open to traffic

SC&MB - Soquel Creek Bridge (Santa Cruz County, California)
Pratt Deck truss bridge over Soquel Creek on The Santa Cruz & Monterey Bay Railroad
Open Railroad only

SC&MB - Valencia Creek Bridge (Santa Cruz County, California)
Built 1924
Steel stringer bridge over Valencia Creek on Railroad (SC&MB)
Open to traffic

SCBG - Big Trees Bridge (Santa Cruz County, California)
Built 1908
Warren through truss bridge over San Lorenzo River on Santa Cruz Big Trees and Pacific Railway (SCBG)
Open to traffic

SCBG - Mission Hill Tunnel (Santa Cruz County, California)
Bored 1876; Widened 1903
Tunnel on Santa Cruz Big Trees and Pacific Railway (SCBG)
Open to traffic

SCBG - U-Conn Trail Overpass (Santa Cruz County, California)
Steel stringer bridge over U-Conn Trail on Santa Cruz Big Trees and Pacific Railway (SCBG)
Open to traffic

SCBG - Zayante Creek Viaduct (Santa Cruz County, California)
Built 1917
Deck plate girder bridge over Zayante Creek on Santa Cruz Big Trees and Pacific Railway (SCBG)
Open to traffic

SDIY - Goat Canyon Trestle (San Diego County, California)
Timber stringer bridge over Goat Canyon on Pacific Imperial Railroad (PIR)
Open to traffic

SF&NV - Steamboat Slough Swing Bridge (Sonoma County, California)
Built 1905 by the San Francisco and Napa Valley RR (later Southern Pacific), abandoned 1933, destroyed by fire in mid 1950s
Lost Through truss bridge over Steamboat Slough on San Francisco and Napa Railroad/Southern Pacific Railroad
Destroyed by fire

Sicard UP Underpass (Ouachita Parish, Louisiana)
Built 1936
Steel stringer bridge over Union Pacific Railroad on US-80
Open to traffic

SJVR - Kings River Bridge (Fresno County, California)
Warren Deck truss railroad bridge
Open to traffic

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

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

Southern Pacific-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 - 29th Street Overpass (San Francisco County, California)
Built 1890; Removed 1942
Lost Deck plate girder bridge over 29th Street on Southern Pacific Railroad
Removed

SP - Atchafalaya River Bridge (St. Mary Parish, Louisiana)
Lost Through truss bridge over Atchafalaya River on Southern Pacific Railroad
Replaced by a new bridge

SP - Bayshore Turntable (San Mateo County, California)
Relocated here 1941 & lengthed from 80ft to 110ft using steel salvaged from the SP's Pajaro River bridge; Removed ca 1985 and scrapped at a later date
Lost Warren pony truss bridge over Pit on Southern Pacific Railroad Bayshore Roundhouse
Removed

SP - Beverly Glen Boulevard Overpass (Los Angeles County, California)
Built 1959 using the plate girder from the PE Fletcher Drive Trestle
Lost Pony plate girder bridge over Beverly Glen Boulevard on Southern Pacific Railway
Removed

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

SP - Brazos River Bridge (Waller County, Texas)
Built ?; Dynamited ca. 1961-62
Lost Through truss bridge over Brazos River on Railroad
Blown Up

SP - Brownsville Covered Bridge (Linn County, Oregon)
Built 1920;
Howe through truss bridge over Calapooia River on Southern Pacific Railroad
Lost Howe Truss Bridge

SP - Calcasieu River Bridge (Calcasieu Parish, Louisiana)
Lost Through truss bridge over the Calcasieu River on Southern Pacific Railroad
Destroyed by severe weather

SP - Cascade Summit Wye Tunnel (Klamath County, Oregon)
Built 1926
Lost Tunnel on Cascade Summit Wye Track
Collapsed

SP - Ciénega Creek Bridge (Pima County, Arizona)
Built 1903; Damaged by a derailment in 1968 and replaced
Lost Pratt through truss bridge over Ciénega Creek on Southern Pacific Railroad
Destroyed by derailment

SP - Clear Creek Swing Bridge (Galveston County, Texas)
Built 1907; Removed 1996
Lost Pony/through plate girder bridge over Clear Creek on Southern Pacific Railroad
Removed but not replaced

SP - Coburg Covered Bridge 37-20-45x (Lane County, Oregon)
Built 1891; Replaced 1907
Lost Through truss bridge over McKenzie River on Southern Pacific Railroad
Replaced by a new bridge

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