There are 40,969 bridges in this category · Only showing 24,893 bridges with photos
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Open

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

UP - Logan River Trestle (Cache County, Utah)
Bridge on Railroad
Open to traffic

UP - Lone Tree Creek Bridge (Dickinson County, Kansas)
Built 1899
Pony/through plate girder bridge over Lone Tree Creek on Union Pacific Railroad
Open to traffic

UP - Long Beach Boulevard Overpass (Los Angeles County, California)
Built 1932
Pony truss bridge carrying UPRR over Long Beach Blvd. in Long Beach
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 - Lookout Point Reservoir Bridge (Lane County, Oregon)
Built in 1952 as part of Lookout Point Reservoir rail relocation
Polygonal Warren through truss bridge over Lookout Point Reservoir (Willamette River) on Union Pacific Railroad
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)
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 - Los Angeles River Bridge (South Gate) (Los Angeles County, California)
Built 1932
Warren Through truss bridge over Los Angeles River on UPRR in South Gate
Open to traffic

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

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

UP - Lower Cascade Bridge (Placer County, California)
Deck plate girder bridge over South Yuba River tributary on UP RR
Open to traffic

UP - Lower Cone Springs Bridge (Lincoln County, Nevada)
Warren through truss bridge over Meadow Valley Wash on Union Pacific Railroad
Open to traffic

UP - Lower Pollard Flat Bridge (Shasta County, California)
Built 1901
Pratt through truss bridge over Sacramento River on Union Pacific Railroad
Open to traffic

UP - Lucin Cutoff (Box Elder County, Utah)
Built 1958
Concrete rigid frame bridge over Great Salt Lake on UP 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)
Built 1913
Through truss bridge over Mackinaw River on Union Pacific Railroad
Open to traffic

UP - Madison Street Bridge (Cook County, Illinois)
Built 1897
Pony/through plate girder bridge over Madison Street on Union Pacific Railroad
Open to traffic

UP - Maes Road Overpass (Jackson County, Illinois)
Built 1988
Slab bridge over Maes Rd on Union Pacific Railway
Open

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

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

UP - Marshal Creek Tributary (Tarrant County, Texas)
Built 2002
Concrete culvert bridge over Marshal Creek Tributary on Union Pacific Railroad
Open

UP - Marshall Avenue Overpass (St. Louis County, Missouri)
Built 1921
Steel stringer bridge over Marshall Ave on Union Pacific Railroad
Open to traffic

UP - Martigney Creek Bridge (St. Louis County, Missouri)
Stone arch bridge over Martigney Creek on the Union Pacific Railroad, just beyond Robert Koch Hospital Drive
Open to railroad traffic

UP - Mary's Creek Bridge (Tarrant County, Texas)
Built 1943
Pony/through plate girder bridge over Mary's Creek on Union Pacific Railroad
Open

UP - Marys River Bridge (Randolph County, Illinois)
Through truss bridge over Marys River on the Union Pacific Railroad, south of Chester and just west of IL 3
Open to railroad 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 - Mazon River Bridge (Grundy County, Illinois)
Steel stringer bridge over Mazon River on Union Pacific Rwy
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 - McCloud Run Bridge (Linn County, Iowa)
Closed-spandrel arch bridge over Cold Stream on Railroad (UP)
Open to traffic

UP - McQueeney Bridge (Guadalupe County, Texas)
Built 1899. Original main span replaced due to flood damage.
Camelback through truss bridge over Guadalupe River on Union Pacific Railroad
Open to traffic

UP - Melrose Street Bridge (Cook County, Illinois)
Built 1897
Pony/through plate girder bridge over Melrose Avenue on Union Pacific Railroad
Open to traffic

UP - Melville Bridge (St. Landry Parish, Louisiana)
Built 1929
Warren through truss bridge over Atchafalaya River on Union Pacific Railroad at Melville
Open to traffic

UP - Memorial Park Bridge (EB) (Harris County, Texas)
Steel stringer bridge over Memorial Drive on Railroad
Open to traffic

UP - Memorial Park Bridge (WB) (Harris County, Texas)
Steel stringer bridge over Memorial Drive on Railroad
Open to traffic

UP - Mengo Bridge (Butler County, Missouri)
Built 1906 by the American Bridge Co.
Two-span through truss bridge over Black River on the Union Pacific Railroad, between Poplar Bluff and Hilliard
Still in use

UP - Meramac Crossing (St. Louis County, Missouri)
Built in 1930's
Steel stringer bridge over Meramac River on Union Pacific Railroad
Open to traffic

UP - Meremec River Bridge (Jefferson County, Missouri)
Two-span through truss bridge over the Meramec River on the Union Pacific Railroad in Arnold
Open to railroad 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 Feather River Bridge (Plumas County, California)
Built 1910
Through truss bridge over Middle Fork Feather River on Union Pacific RR
Open to traffic

UP - Middle Fork South Fork Chambers Creek (Johnson County, Texas)
Polygonal Warren through truss bridge over Middle Fork South Fork Chambers Creek on UP Railroad
Open to rail traffic

UP - Middle Fork Vermilion River Bridge (Vermilion County, Illinois)
Built 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 1901
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 (Monroe County, Wisconsin)
Built 1911
Bridge over Mill Creek on Union Pacific Railroad
Open to traffic

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

UP - Mill Creek Bridge #2 (Wabaunsee County, Kansas)
Stringer bridge over Mill Creek on Southern Pacific Railroad
Open to traffic

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

UP - Mill Creek Bridge (Paxico) (Wabaunsee County, Kansas)
Built Ca. 1904 Elsewhere, Moved here 1923, Westbound Span Approach Rebuilt 1932
Warren Through truss bridge over Mill Creek on Union Pacific Railroad
Open to traffic

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)
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 - Minerva Creek Bridge (Hardin County, Iowa)
Bridge over Minerva Creek on Union Pacific Railroad
Open to traffic

UP - Mission Junction Bridge (Los Angeles County, California)
Built 1902; two eastern trusses replaced with through girder and stringer
Warren through truss bridge over Los Angeles River on Railroads (LACM, SCAX, UP)
Open to traffic

UP - MN-93 Overpass (Le Sueur County, Minnesota)
Built 1892
Steel stringer bridge over MN-93 on Union Pacific Railroad
Open to traffic

UP - MO 21 Bridge (Washington County, Missouri)
Built 1993
Stringer bridge over UP RR on Mo 21 S
Open to traffic

UP - MO 49 Viaduct (Wayne County, Missouri)
Built 1949
Concrete culvert bridge over MO. 49 on UP Railroad


UP - Mobberly Avenue Overpass (Gregg County, Texas)
Built 1939
Steel stringer bridge over Mobberly Av on UPRR And BNSF RR
Open to traffic

UP - Moffat Tunnel (Grand County, Colorado)
Built 1923-1928
Tunnel under Continental Divide west of Denver on Union Pacific RR
Open to railroad traffic, including Amtrak's California Zephyr and Ski Train

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 - Molalla River Bridge (Clackamas County, Oregon)
Warren deck truss with all verticals bridge over Molalla River on Union Pacific Railroad
Open to traffic

UP - Montrose Avenue Bridge (Cook County, Illinois)
Built 1926
Slab bridge over Montrose Avenue on Union Pacific Railroad
Open to traffic

UP - Moreau River Bridge (Cole County, Missouri)
Built 1922
Deck truss bridge over Moreau River on Union Pacific Railroad
Open to traffic

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

UP - Morley Lift Bridge (West Baton Rouge Parish, Louisiana)
Bridge over Port Allen Canal on Union Pacific Railroad
Open to traffic

UP - Morningside Drive Bridge (Tarrant County, Texas)
Built 1951, though 1931 is more likely
Slab bridge over Morningside Drive on Union Pacific RR
Open to traffic

UP - Mossdale Bridge (1942) (San Joaquin County, California)
Built 1942
Warren through truss bridge over San Joaquin River on UP Railroad
Open to traffic

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

UP - Mound Avenue Bridge (Racine County, Wisconsin)
Built 1908
Steel stringer bridge over Mound Avenue on Union Pacific Railroad
Open to traffic

UP - Muchakinock Creek Bridge (Mahaska County, Iowa)
Built after 1929
Pony/through plate girder bridge over Muchakinock Creek on Union Pacific Railroad
Open to traffic

UP - Muchakinock Creek Bridge (Mahaska County, Iowa)
Built 1904
Warren through truss bridge over Machakinock Creek on Railroad (UP)
Open to traffic

UP - Muchakinock Creek Bridge #2 (Mahaska County, Iowa)
Built 1904
Warren through truss bridge over Machakinock Creek on Railroad (UP)
Open to traffic

UP - Mud Creek Bridge (Rice County, Minnesota)
Built 1947?
I-beam bridge over Mud Creek on Union Pacific Railroad (former Rock Island)
Open to traffic

UP - Mud Creek Bridge (Dickinson County, Kansas)
Built 1905, Western two spans added 1959
Pony/through plate girder bridge over Mud Creek on Union Pacific Railroad
Open to traffic

UP - Mud Creek Bridge (Harrison County, Iowa)
Built 1902, Additional Span Built 1997
Pony plate girder bridge over Mud Creek on Union Pacific Railroad
Open to traffic

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 Creek Bridge (South) (Sarpy County, Nebraska)
Pony/through plate girder bridge over Mud Creek on Union Pacific Railroad
Open to traffic

UP - Mud Creek Stone Arch (Hamilton County, Iowa)
Built 1902
Stone arch bridge over Mud Creek on Union Pacific Railroad
Open to traffic

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

UP - Muddy Creek Bridge (Jefferson County, Kansas)
Built 1905
Through truss bridge over Muddy Creek on Union Pacific Railroad in Grantville
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 - Mustang Creek (Kaufman County, Texas)
Concrete stringer bridge over Mustang Creek on Union Pacific Railroad
Open

UP - N 99th Avenue E Overpass (Jasper County, Iowa)
Bridge over N 99th Avenue E on Union Pacific Railroad
Open to traffic

UP - N Carmack Street Overpass (Dallas County, Texas)
Built 1961
Deck plate girder bridge over N Carmack Street on Union Pacific Railroad
Open

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 - National Avenue Bridge (Milwaukee County, Wisconsin)
Built 1916
Slab bridge over National Avenue on Union Pacific Railroad
Open to traffic

UP - Natron Cutoff Tunnel 22 (Lane County, Oregon)
Built 1910
Tunnel on Union Pacific Railroad
Open to traffic

UP - Natron Cutoff Tunnel 5 (Lane County, Oregon)
Built 1927
Tunnel on Union Pacific Railroad
Open to traffic

UP - Navasota River Bridge (Limestone County, Texas)
Pratt through truss bridge over Navasota River on Railroad (UP)
Open to traffic

UP - Necedah Bridge (Juneau County, Wisconsin)
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

UP - Neches River Bridge (Angelina County, Texas)
Built 1925
Through truss bridge over Neches River on Railroad
Open to traffic

UP - Neenah Creek Bridge (Adams County, Wisconsin)
Built 1910
Closed-spandrel arch bridge over Neenah Creek on Union Pacific Railroad
Open to traffic

UP - Neenah Lake Trestle (Marquette County, Wisconsin)
Built 1911
Deck plate girder bridge over Neenah Lake on Union Pacific Railroad
Open to traffic

UP - Nemadji River Bridge (Douglas County, Wisconsin)
Built 1916 on an existing pier
Through Girder Bridge over Nemadji River on Union Pacific Railroad
Open

UP - Neosho River Bridge (Erie) (Neosho County, Kansas)
Through truss bridge over Neosho River
Open to traffic