There are 10,324 bridges in this category · Only showing 6,610 bridges with photos
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Owned by railroad

UP - Muchakinock Creek Bridge #2 (Mahaska County, Iowa)
Built 1901
Warren through truss bridge over Machakinock Creek on Railroad (UP)
Open to traffic

UP - Mud Creek Bridge (Kossuth County, Iowa)
Timber stringer bridge over Mud Creek on Railroad
Intact but closed to all 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 (Leavenworth County, Kansas)
Built 1906
Pony/through plate girder bridge over Mud 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 Stone Arch (Hamilton County, Iowa)
Built Ca. 1900
Stone arch 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 - 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 - N 99th Avenue E Overpass (Jasper County, Iowa)
Bridge over N 99th Avenue E 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 23 (Lane County, Oregon)
Built 1923; closed late1980's
Abandoned tunnel
Derelict/abandoned

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 - 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

UP - Newbold Street Overpass (Marion County, Iowa)
Built 1949
Bridge over Newbold Street on Union Pacific Railroad
Open to traffic

UP - Newell Road Overpass (Green Lake County, Wisconsin)
Built 1911
Girder bridge over Newell Road on Union Pacific Railroad
Open to traffic

UP - Newport Swing Bridge (Jackson County, Arkansas)
Built 1938 by the Virginia Bridge Co.
Through truss swing bridge over White River and CR 10 on the Union Pacific Railroad south of Newport
Open to railroad traffic

UP - Nogalitos Street Overpass (S) (Bexar County, Texas)
Built 1936
Pony/through plate girder bridge over Nogalitos ST on UPRR
Open to traffic

UP - North Boggy Creek Bridge (Atoka County, Oklahoma)
Bridge over North Boggy Creek on Union Pacific Railroad (former KATY Railroad)
Open to traffic

UP - North Boggy Creek Bridge (Atoka County, Oklahoma)
Located next to old alignment of US 69, parallel to current US 69
Pratt deck truss bridge over North Boggy Creek on Union Pacific Railroad
Open to traffic

UP - North Bridge Bay Tunnel (Shasta County, California)
Built 1940
Tunnel under Bridge Bay Hill on Union Pacific Railroad
Open to traffic

UP - North Fork Bridge (Butte County, California)
Built 1957
Open-spandrel arch bridge over North Fork Feather River on Railroad
Open to traffic

UP - North Fork Middle Fork Willamette River Bridge (Lane County, Oregon)
Built 1910
Warren deck truss bridge over North Fork Middle Fork Willamette River on Union Pacific Railroad in Westfir
Open to traffic

UP - North Mallard Street Overpass (Anderson County, Texas)
Built 1925
Through Plate Girder bridge over N. Mallard St. (US-84/287/TX-19 SB) on Missouri Pacific Railway
Open to traffic

UP - North Pismo Creek Bridge (San Luis Obispo County, California)
Warren through truss bridge over Pismo Creek on Union Pacifc railroad (Formerly SPRR)
Open to traffic

UP - North Platte River Bridge (Keith County, Nebraska)
Built 1905;
Deck plate girder bridge over North Platte River on Union Pacific Railroad


UP - North Raccoon River Bridge (Greene County, Iowa)
Built 1929 replacing an earlier truss
Deck plate girder bridge over North Raccoon River on Union Pacific Railroad
Open to traffic

UP - North River Bridge (Warren County, Iowa)
Pony/through plate girder bridge over North River on Union Pacific Railroad
Open to traffic

UP - North Second Street Overpass (Douglas County, Kansas)
Tunnel for North Second Street and two sidewalks on Union Pacific Railroad in Lawrence


UP - North Skunk River Bridge (Poweshiek County, Iowa)
Built 1900
Warren Through Truss Bridge over North Skunk River on Union Pacific Railroad
Open to traffic

UP - North Skunk River Tributary Bridge (Poweshiek County, Iowa)
Timber stringer bridge over North Skunk River on Union Pacific Railroad
Open to traffic

UP - North Timber Creek Arch Bridge (Marshall County, Iowa)
Built 1899
Stone arch bridge over North Timber Creek on Union Pacific Railroad
Open to traffic

UP - North Wayside Overpass (Harris County, Texas)
Built 1936
Pony/through plate girder bridge over South Wayside Drive/US90 on Railroad
Open to traffic

UP - Norwegian Road Overpass (Waukesha County, Wisconsin)
Built 1911
Steel bridge over Norwegian Road on UPRR (former C&NW) in Town of Oconomowoc
Open to traffic

UP - Nueces River Bridge (Uvalde County, Texas)
Built 1903
Through truss bridge over Nueces River on Union Pacific Railroad
Open to traffic

UP - Nyssa Subway (Malheur County, Oregon)
Built 1941
Steel stringer bridge over U.S. 20 & 26 on Union Pacific Railroad
Open to traffic

UP - Oak Creek Parkway Overpass (Milwaukee County, Wisconsin)
Stone arch bridge over Oak Creek and Oak Creek Parkway on Union Pacific Railroad in South Milwaukee
Open to traffic

UP - Oak Street Bridge (Kossuth County, Iowa)
Built 1911
Steel stringer bridge over Oak Street on Union Pacific Railroad
Open to traffic

UP - Ogden Avenue Bridge (Cook County, Illinois)
Built 1912
Deck Girder Bridge over Ogden Avenue on Union Pacific Railroad
Open to traffic

UP - Ogden Stone Arch Bridge (Boone County, Iowa)
Built 1901
Stone arch bridge over East Branch Beaver Creek on Union Pacific Railroad
Open to traffic

UP - Okabena Creek Bridge (Nobles County, Minnesota)
Built 1901
Pony/through plate girder bridge over Okabena Creek on Union Pacific Railroad
Open to traffic

UP - Old Alton-Edwardsville Road Overpass (Madison County, Illinois)
Open to railroad traffic above and vehicle traffic below.
Pony/through plate girder bridge over Old Alton-Edwardsville Road, MCT Watershed Trail (former Illinois Terminal Railroad) on Norfolk Southern Railway in Roxana
Open to traffic

UP - Old Brazos River Lift Bridge (Brazoria County, Texas)
Had been built in Houma, Louisiana in 1982 and was relocated to Freeport in 2010/2011
Through truss bridge over Old Brazos River on Union Pacific Railroad Company
Open to traffic

UP - Old Brazos River Swing Bridge (Brazoria County, Texas)
Built 1914; Replaced 2011
Lost Through truss bridge over Old Brazos River on Union Pacific Railroad Company
Replaced by a lift span from Houma, Louisiana

UP - Old Galveston Road Overpass (Harris County, Texas)
Built 1970
Steel Stringer bridge over Old Galveston Road on Railroad
Open to traffic

UP - Old IL 3 Bridge (Alexander County, Illinois)
Steel stringer bridge over Old IL 3 on Union Pacific Railroad
Open to traffic

UP - Old IL4 Overpass (Macoupin County, Illinois)
Deck plate girder bridge over Old Highway 4 (former US66) on UPRR (Former C&NW)
Open

UP - Old O'Connor Road Overpass (Bexar County, Texas)
Built 1950-about the plainest RR bridge you'll ever see
1950 Steel striger
Open to traffic

UP - Old Sims Bayou Bridge (Harris County, Texas)
Deck plate girder bridge over Old Sims Bayou on Railroad (UP)
Open to traffic

UP - Old Spanish Trail Overpass (Harris County, Texas)
Built 1934
Deck plate girder bridge over Old Spanish trail/US 90 on Railroad
Open to traffic

UP - Old State Highway 35 Overpass (Matagorda County, Texas)
Steel stringer bridge over Old State Highway 35/ County Road 442 on Union Pacific Railroad
Open to traffic

UP - Old US 36 Overpass (Sangamon County, Illinois)
Built 1912
Pony/through plate girder bridge over Old US 36 on Union Pacific Rr
Open to traffic

UP - Old US 90 Overpass (Colorado County, Texas)
Pony/through plate girder bridge over Old US 90 on Carries UP Railroad (formerly SP)
Open to traffic

UP - Old US 90 Overpass (Colorado County, Texas)
Built 1920
Steel stringer bridge over Old US 90/County Rd 220 on Union Pacific Railroad (previously Southern Pacific Railroad)
Open

UP - Omaha Railroad Bridge (Pottawattamie County, Iowa)
Built 1916
Through truss bridge over Missouri River on Union Pacific Railroad
Open to traffic

UP - Orange Avenue Overpass (Los Angeles County, California)
Built 1932
Girder bridge over Orange Ave Up on U P R R in Long Beach
Open to traffic

UP - Osage City Bridge (Cole County, Missouri)
Through truss bridge on the Union Pacific Railroad over Osage River at Osage City
Open to traffic

UP - Oskaloosa Rail Crossing (E) (Mahaska County, Iowa)
Built 1931
Steel stringer bridge over Former Chicago, Rock Island & Pacific Railroad on Union Pacific Railroad
Open to traffic

UP - Oskaloosa Rail Crossing (W) (Mahaska County, Iowa)
Built Ca. 1900
Through Girder Bridge over Mahaska Community Recreation Trail on Union Pacific Railroad
Open to traffic

UP - Otter Creek Bridge (Franklin County, Iowa)
Built 1934
Deck Girder Bridge over Otter Creek on Union Pacific Railroad
Open to traffic

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

UP - Otter Creek Tributary Bridge (Tama County, Iowa)
Built 1908
Pony/through plate girder bridge over Tributary of Otter Creek on Union Pacific Railroad
Open to traffic

UP - Otter Creek Tributary Culvert (Tama County, Iowa)
Concrete culvert bridge over Otter Creek Tributary on Union Pacific Railroad
Open to traffic

UP - Otter Creek Tributary runoff Culvert (Tama County, Iowa)
Built 1910
Concrete culvert bridge over Tributary of Otter Creek
Open to traffic

UP - Ouachita River Bridge (Caldwell Parish, Louisiana)
Through truss bridge over Ouachita River on Union Pacific Railroad
Open

UP - Pacheco Slough Bridge (Contra Costa County, California)
Warren pony truss bridge over Pacheco Slough on Union Pacific Railroad
Open to traffic

UP - Palouse River Bridge Br279.10 (Whitman County, Washington)
Built 1912
Pratt deck truss bridge over Palouse River on Union Pacific RR Ayer Subdivision
Open to traffic

UP - Parkside Drive Overpass (Rock County, Wisconsin)
Built 1886
Stone arch bridge over Elgin Avenue on the Union Pacific Railroad in Janesville
Open to traffic

UP - Patrick Bridge (Washoe County, Nevada)
Built 1902
Parker through truss bridge over Truckee River on Union Pacific Railroad
Open to traffic

UP - Patterson Road Overpass (Will County, Illinois)
Deck plate girder bridge over Patterson Rd on UPRR
Open to traffic

UP - Paulina Street Bridge (Cook County, Illinois)
Built 1905
Deck plate girder bridge over Paulina Street on Union Pacific Railroad
Open to traffic

UP - Pearl Street Overpass (De Kalb County, Illinois)
Built 1968
Steel stringer bridge over Pearl Street on Union Pacific Railroad (former C&NW)
Open to traffic

UP - Pecos River High Bridge (Val Verde County, Texas)
Built 1944, replacing an earlier 1892 viaduct
Massive cantilevered deck truss bridge over Pecos River on the Union Pacific Railroad
Open to traffic

UP - Pend Oreille River Bridge (Bonner County, Idaho)
Pony/through plate girder bridge over Pend Oreille River on Union Pacific Railroad
Open to traffic

UP - Pigeon Creek Bridge (Pottawattamie County, Iowa)
Built 1936
Subdivided Warren Through truss bridge over Pigeon Creek on Union Pacific Railroad
Open to traffic

UP - Pigeon River Stone Arch Bridge (Sheboygan County, Wisconsin)
Stone arch Bridge over Pigeon River on Railroad
Open to traffic

UP - Pismo Creek Bridge (San Luis Obispo County, California)
Built 1909
Warren through truss with all verticals bridge over Pismo Creek on Union Pacific Railroad (formerly SP RR)
Open to traffic

UP - Pitt River Bridge (Modoc County, California)
Built 1925
Deck plate girder bridge over Pitt River on Union Pacific/Modoc Northern Railroad
Open to traffic

UP - Plague Mine Creek Culvert (Tama County, Iowa)
Built 1909
Concrete culvert bridge over Plague Mine Creek on Union Pacific Railroad
Open to traffic

UP - Plum Creek Arch (Harris County, Texas)
Closed-spandrel arch bridge over Plum Creek on Union Pacific Railroad
Open to traffic

UP - Polk Street Overpass (Harris County, Texas)
Pony/through plate girder bridge over Polk Street on Union Pacific Railroad/Houston Belt & Terminal
Open to traffic

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

UP - Poplar Creek Bridge (Kane County, Illinois)
Built 1861
Stone arch bridge over Poplar Creek on Union Pacific Railroad
Open to traffic

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

UP - Portage Road Overpass (Hood River County, Oregon)
Steel stringer bridge over SW Portage Road on Union Pacific Railroad
Open to traffic

UP - Porter Creek Bridge (Scott County, Minnesota)
Built 1901 replacing an older bridge
Pony/through plate girder bridge over Porter Creek on Union Pacific Railroad
Open to traffic

UP - Portland Bridge (Fremont County, Colorado)
Through truss bridge over the Arkansas River on the Union Pacific Railroad at the Holcim Plant in Portland
Open to traffic

UP - Pottstown Bridges (Peoria County, Illinois)
Twin Steel Stringer bridges over Intermitent Kickapoo Creek Trib on UPRR (Former C&NW)
Open

UP - Powerton Rd Bridge (Tazewell County, Illinois)
Deck plate girder bridge over Powerton Rd on Union Pacific Rwy (former C&NW)
Open

UP - Prairie Alley Bridge (Cook County, Illinois)
Built 1909
Deck plate girder bridge over Canadian Pacific Railway on Union Pacific Railroad
Open to traffic

UP - Prairie Creek Bridge #1 (Benton County, Iowa)
Built 1918
Pony/through plate girder bridge over Prairie Creek on Union Pacific Railroad
Open to traffic