There are 6,621 bridges in this category · Only showing 4,728 bridges with photos
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Plate girder

UP - Illinois Road Bridge (Lake County, Illinois)
Pony/through plate girder bridge over Illinois Road on Union Pacific Railroad
Open to traffic

UP - Indian Creek Bridge (Pottawattamie County, Iowa)
Built 1899
Pony/through plate girder bridge over Indian Creek on Union Pacific Railroad
Open to traffic

UP - Indian Creek Bridge EB (11th Street) (Pottawattamie County, Iowa)
Built 1998
Pony/through plate girder bridge over Indian Creek on Union Pacific Railroad
Open to traffic

UP - Indian Creek Bridge WB (11th Avenue) (Pottawattamie County, Iowa)
Built 1901
Pony/through plate girder bridge over Indian Creek on Union Pacific Railroad
Open to traffic

UP - Indian Creek Tributary Bridge (De Kalb County, Illinois)
Built in early 1900's
Deck plate girder bridge over Tributary to Indian Creek on UPRR (Former C&NW)
Open

UP - Indiana Street Overpass (Jefferson County, Colorado)
Built 1950
Deck plate girder bridge over Indiana Street on Union Pacific Railroad
Open to traffic

UP - Iowa Falls Rail Crossing (Hardin County, Iowa)
Built 1913, Approaches Added 1941; Replaced 2018
Pony plate girder bridge over Union Pacific Railroad on Union Pacific Railroad in Iowa Falls
Replaced by a new bridge

UP - Iowa River Bridge (East) (Tama County, Iowa)
Built 1900
Pony/through plate girder bridge over Iowa River on Union Pacific Railroad
Open to traffic

UP - Iowa River Bridge (Iowa Falls) (Hardin County, Iowa)
Built 1908
Deck plate girder bridge over Iowa River on Union Pacific Railroad
Open to traffic

UP - Irving Park Road Bridge (Cook County, Illinois)
Built 1899
Pony/through plate girder bridge over Irving Park Road on Union Pacific Railroad
Open to traffic

UP - Irving Park Road Bridge #4 (Cook County, Illinois)
Built 1899
Pony/through plate girder bridge over Irving Park Road on Union Pacific Railroad
Open to traffic

UP - Janesville Rail Bridge (Rock County, Wisconsin)
(Main design: Double-intersection Warren deck truss)
Built 1896, Second Track added 1908
Deck truss bridge over Rock River on Union Pacific Railroad
Open

UP - Jefferson Street Viaduct (Cook County, Illinois)
Built 1910
Pony/through plate girder bridge over Jefferson and Hubbard Streets on Union Pacific Railroad
Open to traffic

UP - John Day River Bridge (Sherman County, Oregon)
(Main design: Polygonal Warren through truss)
Built 1967
Polygonal Warren through truss bridge over John Day River on Union Pacific Railroad
Open to traffic

UP - Johnson Creek Bridge (Jefferson County, Wisconsin)
Built 1917
Deck plate girder bridge over Johnson Creek and Milwaukee Street on Union Pacific Railroad
Open to traffic

UP - Johnson Parkway Overpass (Ramsey County, Minnesota)
Built 1906 as a four track wide bridge
Pony/through plate girder bridge over Johnson Parkway on Union Pacific Railroad
Open to traffic

UP - K-4 Overpass (Dickinson County, Kansas)
Built 1924
Deck plate girder bridge over K-4 Highway and Lime Creek on Union Pacific Railroad
Open to traffic

UP - Kankakee River Bridge (Will County, Illinois)
Built 1944, Replaced 2017
Deck plate girder bridge over Kankakee River on Union Pacific Railroad in Wilmington
Open

UP - Keddie Wye Bridge (Plumas County, California)
(Main design: Warren deck truss)
First leg built 1909, second leg, creating Wye built 1931
Warren deck truss bridge over Spanish Creek on Union Pacific Railroad
Open to traffic

UP - Keifer Creek Bridge (St. Louis County, Missouri)
Built 1930
Deck plate girder bridge on Union Pacific Railroad
Open to traffic

UP - Kickapoo Creek Bridge (Logan County, Illinois)
Built 1913
Deck plate girder bridge over Kickapoo Creek on Union Pacific Railway (former Southern Pacific))
Open

UP - Kickapoo Creek Viaduct (Peoria County, Illinois)
(Main design: Pratt through truss)
Built 1912
Pratt through truss bridge over Kickapoo Creek/ Kickapoo Creek Road/Railroad on Union Pacific Railroad
Open to traffic

UP - Kinzie Street Overpass (Cook County, Illinois)
(Main design: Deck plate girder)
Built 1910
Deck plate girder bridge over Kinzie Street on Union Pacific Railroad
Open to traffic

UP - Kishwaukee River Bridge (Cherry Valley) (Winnebago County, Illinois)
Bridge over Kishwaukee River on UPRR (Former C&NW)
Open to traffic

UP - Kootenai River Bridge (Boundary County, Idaho)
Built by Union Pacific in the later 1980's to replace a former wooden bridge which collapsed while this bridge was being built.
Deck plate girder bridge over Kootenai River on Union Pacific Railroad
Open to traffic

UP - Labarge Road Bridge (St. Croix County, Wisconsin)
Built 1898
Through Girder Bridge over Labarge Road on Union Pacific Railroad
Open to traffic

UP - Lake Houston Bridge (Harris County, Texas)
Deck plate girder bridge over Lake Houston on Railroad
Open to traffic

UP - Lakeview Drive Bridge (Marquette County, Wisconsin)
Built 1911
Deck plate girder bridge over Lakeview Drive on Union Pacific Railroad
Open to traffic

UP - Lamine River Bridge (Cooper County, Missouri)
Built 1938
Two-span pony plate girder railroad bridge over Lamine River, parallel with Route A
Open to railroad traffic

UP - Laurel Avenue Bridge (Lake County, Illinois)
Deck plate girder bridge over Laurel Avenue on Union Pacific Railroad
Open to traffic

UP - Lavaca River Bridge (Jackson County, Texas)
Pony/through plate girder bridge over Lavaca River on Railroad
Open to traffic

UP - Lawrence Avenue Bridge #2 (Cook County, Illinois)
Built 1899
Pony/through plate girder bridge over Lawrence Avenue on Union Pacific Railroad
Open to traffic

UP - Leland Avenue Bridge (Cook County, Illinois)
Built 1899
Pony/through plate girder bridge over Leland Avenue on Union Pacific Railroad
Open to traffic

UP - Levis Creek Bridge (Jackson County, Wisconsin)
Built 1902, Widened 1912
Deck plate girder bridge over Levis Creek on Union Pacific Railroad
Open to traffic

UP - Lick Creek Bridge (Sangamon County, Illinois)
Deck plate girder bridge over Lick Creek (Lake Springfield) on Railroad (UP)
Open to traffic

UP - Lime Kiln Road Overpass (Ste. Genevieve County, Missouri)
Plate girder bridge over Lime Kiln Road and South Gabouri Creek on the Union Pacific Railroad
Open to traffic

UP - Lincoln Highway Overpass (Story County, Iowa)
Built 1918 (according to stamp on abutment, plate says 1917)
Bridge over E-41 (The Lincoln Highway) on Union Pacific Double Mainline (Formerly Chicago & North Western Railway)
Open to traffic

UP - Lincoln Highway Overpass (State Center) (Marshall County, Iowa)
Built 1934
Deck plate girder bridge over Lincoln Highway on Union Pacific Railroad
Open to traffic

UP - Lincoln Street Bridge (Cook County, Illinois)
Built 1908
Deck plate girder bridge over Lincoln Street on Union Pacific Railroad
Open to traffic

UP - Lindsey Creek Bridge (Kinney County, Texas)
(Main design: Warren through truss with all verticals)
Through truss bridge over Lindsey Creek on railroad
Open

UP - Linn Creek Bridge #1 (Marshall County, Iowa)
Pony/through plate girder bridge over Linn Creek on Union Pacific Railroad
Open to traffic

UP - Linn Creek Bridge #2 (Marshall County, Iowa)
Built 1899
Pony/through plate girder bridge over Linn Creek on Union Pacific Railroad
Open to traffic

UP - Linn Creek Trbutary Crossing (Marshall County, Iowa)
Pony/through plate girder bridge over Linn Creek Trbutary on Union Pacific Railroad
Open to traffic

UP - Lisbon Street Overpass (Marion County, Iowa)
Deck plate girder bridge over Lisbon Street on Union Pacific Railroad
Open to traffic

UP - Little Beaver Creek Bridge (Greene County, Iowa)
Built 1901
Deck plate girder bridge over Little Beaver Creek on Union Pacific Railroad
Open to traffic

UP - Little Calumet River Bridge (Cook County, Illinois)
(Main design: Polygonal Warren through truss with all verticals)
Warren through truss bridge over Little Calumet River on Chicago & Western Indiana/Union Pacific RR's
Open

UP - Little Missouri River Bridge (Clark County, Arkansas)
(Main design: Pony/through girder)
Pony/through girder bridge over Little Missouri River on Union Pacific Railroad
Open to traffic

UP - Little Papillion Creek Bridge (Douglas County, Nebraska)
Built 1905
Deck plate girder bridge over Little Papillion Creek on Union Pacific Railroad
Open to traffic

UP - Little River Bridge (LaSalle Parish, Louisiana)
(Main design: Warren deck truss)
Warren deck truss bridge over Little River on Union Pacific Railroad
Open to traffic

UP - Little Sioux River Bridge (Harrison County, Iowa)
(Main design: Quadrangular lattice through truss)
Built 1904
Lattice through truss bridge over Little Sioux River on Union Pacific Railroad
Open to traffic

UP - Little White Breast Creek Bridge (Lucas County, Iowa)
Deck plate girder bridge over Little White Breast Creek on Union Pacific Railroad
Open to traffic

UP - Lizard Creek Bridge (Webster County, Iowa)
Deck plate girder bridge over Lizard Creek on Union Pacific
Open to traffic

UP - Lockwood Avenue Overpass (St. Louis County, Missouri)
Built 1931 by the McClintic-Marshall Corp.
Plate girder bridge over W. Lockwood Avenue on the Union Pacific Railroad in Webster Groves
Open to two tracks of railroad traffic

UP - Lockwood Overpass (Harris County, Texas)
Deck plate girder bridge over Lockwood on Houston Belt & Terminal Railway/Union Pacific Railroad
Open to traffic

UP - Long Branch Bridge (Ellis County, Texas)
Built 1938
Deck plate girder bridge over Long Branch on Railroad (UP)
Open to traffic

UP - Long Ravine Trestle (Placer County, California)
Deck plate girder bridge over Highway I-80 on Union Pacific Railroad and Amtrak
Open to traffic

UP - Los Angeles River (Bell) (Los Angeles County, California)
Built ca. 1050's-Four Plate girder spans crossing Los Angeles River
Pony plate girder bridge over Los Angeles River on UP/Amtrak Railroad
Open to traffic

UP - Los Angeles River Bridge (Cudahy) (Los Angeles County, California)
(Main design: Warren through truss with all verticals)
Two Warren trusses and two pony plate girders
Warren through truss with all verticals bridge over Los Angeles River on UP RR
Open to traffic

UP - Los Angeles River Bridge (Long Beach) (Los Angeles County, California)
Built 1932
Steel pony plate girder over the Los Angeles River
Open to traffic

UP - Loup River Bridge (Platte County, Nebraska)
(Main design: Pratt through truss)
Built 1908
Pin connected Pratt through truss bridge over Loup River on railroad
Open to traffic

UP - Mackinaw River Bridge (McLean County, Illinois)
Built 1924
Deck plate girder bridge over Mackinaw River on Union Pacific Railway (former Southern Pacific))
Open

UP - Mackinaw River Bridge (Tazewell County, Illinois)
(Main design: Quadrangular lattice through truss)
Built 1913
Through truss bridge over Mackinaw River on Union Pacific Railroad
Open to traffic

UP - Macoupin Creek Bridge (Macoupin County, Illinois)
Deck plate girder bridge over Macoupin Creek on Union Pacific Ry
Open

UP - Macoupin Creek Overflow Bridge (Macoupin County, Illinois)
Deck plate girder bridge over Unamed Overflow on Union Pacific Ry
Open

UP - Madrid High Bridge (Boone County, Iowa)
Built 1973; Abandoned in 2003; Removed in 2004 to be reused in the new Kate Shelley Bridge
Lost Deck plate girder bridge over Des Moines River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed

UP - Main Street Overpass (Ste. Genevieve County, Missouri)
Built 1901
Pony plate girder and wood trestle bridge over S. Main Street and South Fork Gabouri Creek in Ste. Genevieve
Open to railroad traffic

UP - Main Street Overpass (Winnebago County, Illinois)
(Main design: Double-intersection Warren pony truss)
Built 1893, Through Girders added 1903
Pony/through plate girder bridge over Main St (IL2) on Union Pacific Railroad
Open to traffic

UP - Malheur River Bridge #5 (Malheur County, Oregon)
Built 1912, Closed due to flooding 1984, Abandoned 1990
Abandoned pony/through plate girder bridge over Malheur River on Abandoned Oregon Eastern Railroad
Abandoned

UP - Maple Creek Bridge (Dodge County, Nebraska)
Built 1924
Pony/through plate girder bridge over Maple Creek on Abandoned Union Pacific Railroad
Intact but closed to all traffic

UP - Market Street Overpass (McLean County, Illinois)
Built 1889, replaced 2015
Lost Girder bridge over Market Street on Union Pacific Railroad
Replaced by a new bridge

UP - Marsh Station Bridge (Pima County, Arizona)
(Main design: Warren deck truss)
Built 1912
Warren deck truss bridge over Ciénega Creek/Union Pacific Railroad on Union Pacific Railroad
Open to traffic

UP - Maynes Creek Tributary Bridge (Franklin County, Iowa)
Built 1913, Rehabilitated Ca. 1983
Deck Girder Bridge over Tributary of Maynes Creek on Union Pacific Railroad
Open

UP - McCandless Cleghorn Ditch Bridge (Monona County, Iowa)
Built 1913
Pony/through plate girder bridge over McCandless Cleghorn Ditch on Union Pacific Railroad
Open to traffic

UP - Meadow Hill Bridge (Dunn County, Wisconsin)
(Main design: Quadrangular lattice through truss)
Built using relocated pieces, abandoned 2003
Abandoned Quadrangular Warren through truss bridge over Wilson Creek on Abandoned railroad grade.
Abandoned

UP - Melrose Street Bridge (Cook County, Illinois)
Built 1899
Pony/through plate girder bridge over Melrose Avenue on Union Pacific Railroad
Open to traffic

UP - Middle Beaver Creek Bridge (Boone County, Iowa)
Built 1899
Deck plate girder bridge over over Middle Beaver Creek on Union Pacific Railroad
Open to traffic

UP - Middle Fork Vermilion River Bridge (Vermilion County, Illinois)
Built ca. 1901
Deck girder bridge over Middle Fork Vermilion River on Union Pacific Railroad west of Armstrong
Open to traffic

UP - Middle Raccoon River Bridge (Carroll County, Iowa)
Built 1902
Through Girder Bridge over Middle Raccoon River on Union Pacific Railroad
Open to traffic

UP - Middle River Bridge (Warren County, Iowa)
Built 1913
Deck plate girder bridge over Middle River on Union Pacific Railroad
Open to traffic

UP - Mill Creek Bridge (Maple Hill) (Wabaunsee County, Kansas)
Built 1923 Using Relocated Parts
Deck plate girder bridge over Mill Creek on Union Pacific Railroad
Open to traffic

UP - Mill Street Overpass (Sheboygan County, Wisconsin)
Built 1907
Pony/through plate girder bridge over Wis 67/Mill Street on C&NW (abandoned) in Plymouth
Closed to all traffic

UP - Miller Creek Bridge #2 (Monroe County, Iowa)
Built 1911, abandoned early 2000s
Abandoned deck plate girder bridge over Miller Creek on former UP RR
Derelict/abandoned with rails removed

UP - Milwaukee Avenue Bridge (Old Irving Park) (Cook County, Illinois)
Built 1899
Pony/through plate girder bridge over Milwaukee Avenue on Union Pacific Railroad
Open to traffic

UP - Milwaukee River Bridge (Milwaukee County, Wisconsin)
(Main design: Warren deck truss)
Built 1928 and 1938 (There are conflicting dates on Mfg. Plaques on several spans.)
Deck truss bridge over Milwaukee River on Union Pacific Railroad
Open to traffic

UP - Mission Junction Bridge (Los Angeles County, California)
(Main design: Warren through truss)
Built 1902;
Warren through truss bridge over Los Angeles River on Railroads (LACM, SCAX, UP)
Open to traffic

UP - Mokelumne River Bridge (San Joaquin County, California)
Built 1908
Pony plate girder swing bridge over Mokelumne River on Western Pacific RR
Open to traffic

UP - Montrose Avenue Bridge #2 (Cook County, Illinois)
Built 1899
Pony/through plate girder bridge over Montrose Avenue on Union Pacific Railroad
Open to traffic

UP - Moreau River Bridge (Cole County, Missouri)
(Main design: Warren deck truss with all verticals)
Built 1922
Deck truss bridge over Moreau River on Union Pacific Railroad
Open to traffic

UP - Mossdale Bridge East (San Joaquin County, California)
(Main design: Warren through truss)
Built 1928
Warren through truss swing bridge over San Joaquin River on Union Pacific RR
Open to traffic

UP - Motor Avenue Overpass (Los Angeles County, California)
Built 1964; Replaced 2012
Deck plate girder bridge over Motor Avenue on Union Pacific Railroad
Replaced by a new bridge

UP - Muchakinock Creek Bridge (Mahaska County, Iowa)
Pony/through plate girder bridge over Muchakinock Creek on Union Pacific Railroad
Open to traffic

UP - Mud Creek Bridge (Douglas County, Kansas)
Abandoned pony plate girder bridge over Mud Creek on Union Pacific railroad
Abandoned with tracks in place

UP - Mud Creek Bridge (Leavenworth County, Kansas)
Built 1906
Pony/through plate girder bridge over Mud Creek on Union Pacific Railroad
Open to traffic

UP - Mud Slough Bridge (Santa Clara County, California)
Built 1905
Deck plate girder bridge over Mud Slough on Union Pacific RR
Open to traffic

UP - Mulberry River Bridge (Crawford County, Arkansas)
Bridge over Mulberry River on UPRR Railroad in Mulberry
Open to traffic

UP - Multnomah Creek Bridge (Multnomah County, Oregon)
Built 1907
Pony/through plate girder bridge over Multnomah Creek on Union Pacific Railroad
Open to traffic

UP - N Milwaukee Avenue Overpass (Cook County, Illinois)
Built 1931
Deck plate girder bridge over N Milwaukee Avenue on Union Pacific Railroad
Open to traffic

UP - N. Branch St. James Creek Bridge (Watonwan County, Minnesota)
Built Ca. 1900
Deck plate girder bridge over N. Branch St. James Creek on Union Pacific Railroad
Open to traffic

UP - Necedah Bridge (Juneau County, Wisconsin)
(Main design: Quadrangular lattice through truss)
Built 1911
Quadrangular lattice through truss bridge over Yellow River and Canadian National Railway on Union Pacific Railroad
Open to traffic

UP - Neches River Bridge (Anderson County, Texas)
Pony/through plate girder bridge over Neches River on Union Pacific Railroad Co., Palestine Subdivision
Open to traffic