Midland Valley Railroad Old U.S. 266 Overpass (Muskogee County, Oklahoma)
Probably built circa 1903-1906. Abandoned with rails removed.
Abandoned steel stringer bridge over Old U.S. 266 on Midland Valley Railroad (abandoned)
Abandoned

Mill Creek Bridge (Washington County, Missouri)
Built 1935
Concrete tee beam bridge over Mill Creek on Route M
Open to traffic

Mill Creek Bridge (Wasco County, Oregon)
Built 1920; rehabilitated 2001
Stringer bridge over Mill Creek on W 6th Street in City of the Dalles
Open to traffic

Mill Creek Bridge (Bradley County, Tennessee)
Built 1935
Concrete tee beam bridge over Mill Creek on Fas 74-Springplace Rd.
Open to traffic

Mill Creek MO 47 (Washington County, Missouri)
Built 1964
Steel stringer bridge over Mill Creek on Mo 47 S
Open to traffic

Mill Hollow Road Bridge (Boone County, Arkansas)
Built 1904
Steel stringer bridge over Mill Hollow Road (CR 34) on the Missouri and North Arkansas Railroad
Open to traffic

Mill Street C&NW Bridge (Milwaukee County, Wisconsin)
Built 1910
Timber stringer bridge over Mill Road on CNW Railroad in South Milwaukee
Closed to all traffic

Millard Crossing Bridge (Logan County, Arkansas)
This bridge crosses Shoal Creek on north east side of Magazine mountain at the former town of Millard
Timber stringer bridge over Shoal Creek on Forest Service road #1601
Open to traffic

Miller Road Bridge (Union County, Illinois)
Steel stringer bridge with wooden deck over a branch of Mill Creek on Miller Road (TR 112), just south of Sweet Potato Road
Open to traffic

Milwaukee Road Railroad Overpass (Missoula County, Montana)
Built 1936
Lost tee beam bridge over the abandoned Milwaukee Road Railroad on Orange Street in Missoula
Open to traffic

Mine Creek Bridge (Howard County, Arkansas)
Built 1931
Concrete tee beam bridge over Mine Creek on E. Sheppard Street in Monette
Open to traffic

Mingo Ditch Route T Bridge (Stoddard County, Missouri)
Built 1955
Steel stringer bridge with wooden piers over Mingo Ditch on Route T
Open to two-lane traffic

Minnow Creek Bridge (Johnson County, Arkansas)
Built 1942 by the Works Progress Administration
Tee beam bridge over Minnow Creek on CR 50
Open to traffic

Minnow Slough Bridge (Crawford County, Illinois)
Built 1909
Wooden deck bridge over Minnow Slough on TR 163, 1 mi. east of Palestine
Open to traffic

Minnow Slough Bridge No. 2 (Crawford County, Illinois)
Built 1909; rehabilitated 1982
Wooden deck bridge over Minnow Slough on TR 169A, 1.5 mi. NE Palestine
Open to traffic

Missouri Pacific RR Bridge (Lawrence County, Missouri)
Built 1926
Concrete stringer bridge over Missouri Pacific RR on CR 2207 (old US 60)
Open to traffic

Monmouth Underpass (Campbell County, Kentucky)
Built 1935
Steel stringer bridge over Us-27 on Csx Railroad in Newport


Monon Railroad SR 25 Bridge (Carroll County, Indiana)
Built 1963. Once carried the famed "Hoosier" and "Tippecanoe" Passenger trains of the Monon Railroad. Was built when a new alignment of State Road 25 was constructed. Old Highway went further West to another underpass of the Monon closer to Delphi.
Steel stringer bridge over Sr 25 on Abandoned Monon Rr
Open to pedestrians

Monroe Street Bridge (Monroe County, Michigan)
Built 1927; Subsequent work 1970 & 1984; rehabilitated 1990
Concrete cantilever bridge over Raisin River on M-125 in Monroe
Open to traffic

Mount Wilson Toll Road over Eaton Canyon Wash (Los Angeles County, California)
Built by The Pasadena and Mount Wilson Toll Road Company 1891, Replaced by the Nat'l Forrest Service, Date unknown
Concrete stringer bridge over Eaton Canyon Wash on Mt. Wilson Toll Road in Angeles National Forrest
Closed to all traffic

Mozart Road Trestle (Jefferson County, Illinois)
Timber stringer bridge over Trib to Rayse Creek on Evansville Western Railroad (formerly L&N Railroad), alongside Mozart Road about 3 miles west of Woodlawn
Open to railroad traffic

Mt. Vernon Mills Bridge (Chattooga County, Georgia)
Built around 1930
Steel stringer bridge over unnamed stream on abandoned section of Park Avenue in Trion
Open to pedestrians

Mud Creek Bridge (Hardin County, Tennessee)
Built ca. 1930
Wooden bridge over Mud Creek on Lacefield Drive (NFA A302)
Open to traffic

Mud Creek Road Bridge (Calumet County, Wisconsin)
Built 1930
Concrete stringer bridge over Mud Creek on Mud Creek Road in Town of Stockbridge
Open to traffic

Mulberry Relief Creek Bridge (Franklin County, Arkansas)
Built 1940
Steel stringer bridge over Mulberry Relief Creek on CR 67 - D
Open to traffic

Mulholland Drive over the Hollywood Freeway (Los Angeles County, California)
Built 1940
Concrete tee beam bridge over Hollywood Freeway (US 101) on Mulholland Drive in Los Angeles
Open to traffic

Myers Creek Bridge (Forrest County, Mississippi)
Built 1934
Steel stringer bridge over Myers Creek on US 49 (Northbound Traffic)
Open to traffic

Myrtle Creek Bridge (Douglas County, Oregon)
Built 1930
Stringer bridge over Myrtle Creek on OR-99 (Old Pacific Highway) in Myrtle Creek
Open to traffic

N. East Street Bridge (Faribault County, Minnesota)
Built 2002 Previous span consisted of a Howe pony truss bridge built in 1910. Bridge was abandond for years and was subject to a huge debate beginning in 1998.
Stringer bridge over E Fork Blue Earth River on City St # 88 at 1st Street
Open to traffic

Nashville Railroad Trestle (Washington County, Illinois)
Timber stringer bridge over Nashville Creek on Evansville Western Railroad (formerly Louisville and Nashville Railroad) in Nashville
Open to traffic

Nebraska Avenue Bridge (Hillsborough County, Florida)
Built 1923; rehabilitated 1965
Concrete tee beam bridge over Hillsborough River on Us 41 (Sr 45) in Tampa
Open to traffic

Nelson Street Bridge (Fulton County, Georgia)
Built 1906
Concrete tee beam bridge over Southern Railroad on Nelson Street in Atlanta
Closed to all traffic

New Blaine Bridge (Logan County, Arkansas)
Built 1929
Concrete tee beam bridge over Little Shoal Creek on AR 197
Open to traffic

New Bluff Hall Bridge (Adams County, Illinois)
Built 1941
Tee beam bridge over Harkness Creek on IL 57 at Bluff Hall
Open to two-lane traffic

New Madrid County Road 626 Bridge (New Madrid County, Missouri)
Built 1954; rehabilitated 1986
Wooden deck bridge over Otter Slough Ditch on CR 626 southwest of Matthews
Open to one-lane traffic with a 13 ton weight limit

New Madrid County Road 630 Bridge (New Madrid County, Missouri)
Built 1966; rehabilitated 1995
Wooden deck bridge over Ash Slough Ditch on CR 630 at Route AE
Open to one-lane traffic

Nichols Street Bridge (Callaway County, Missouri)
Built ca. 1940
Wooden bridge over the Kansas City Southern Railway on Nichols Street at the William Woods University campus in Fulton
Open to two-lane traffic

Nickel Plate IMC Country Road 900 North underpass (Miami County, Indiana)
Steel stringer bridge over Miami County Road 900 North on Nickel Plate Trail soon, formerly Norfolk Southern(nee N&W, Nickel Plate Road, Lake Erie and Western, others)
Closed to all traffic

Nickel Plate IMC County Road 100 West underpass (Miami County, Indiana)
Timber stringer bridge over County Road 100 West on Nickel Plate Trail soon, formerly Norfolk Southern (nee N&W, Nickel Plate Road, Lake Erie and Western, others), north of Denver
Closed to all traffic

Nickel Plate IMC Crazy Creek bridge (Miami County, Indiana)
Timber stringer bridge over Crazy Creek on Nickel Plate Trail soon, formerly Norfolk Southern(nee N&W, Nickel Plate Road, Lake Erie and Western, others) in Denver
Open to pedestrians

Nickel Plate Road Prairie Ditch bridge (Miami County, Indiana)
This wooden bridge carried the former IMC division of NKP Railroad from Peru to Michigan City and was the start of a large grade in Northern Miami County. Arsonist burned the bridge in the 1990's and it was quickly abandoned. Charred pieces remain.
Lost Timber stringer bridge over Prairie Ditch on Nickel Plate Trail(former Lake Erie and Western, Nickel Plate Road, Norfolk & Western, Norfolk Southern Railway, Central Railroad of Indy, Indiana Hi-Rail Railroads) in Peru
Destroyed by fire

Nix Creek Bridge (Miller County, Arkansas)
Nix Creek Bridge east 9th street Texarkana Arkansas. Built 1950 by Clark Brothers Construction Company.
Stringer bridge over Nix Creek on East 9th Street / US 82
Open to traffic

Noleman Street Underpass (Marion County, Illinois)
Built 1954
Steel stringer bridge over eastbound IL 161 - Noleman Street on Canadian National Railway (formerly Illinois Central) and BNSF Railway in Centralia
Open to traffic

Norfolk Southern Railway Applegate Rd. (TR 431) Bridge (Richland County, Ohio)
Concrete stringer bridge over Applegate Rd. (TR 431) on Norfolk Southern Railway


Norristown Farm Park Bridge (Montgomery County, Pennsylvania)
Built 1905
Wooden bridge over SEPTA Stony Creek Branch at dead end of Stanbridge Street in Norristown
Closed to all traffic

North Creek Old US 66 Bridge (Livingston County, Illinois)
Built 1926
Concrete bridge over North Creek on Old US 66 (originally IL 4) in Pontiac
Closed to all traffic

North Fork Spring River Bridge (Barton County, Missouri)
Built 1923; rehabilitated 1947
Steel stringer bridge over North Fork Spring River on US 71 SB
Open to traffic

North Silva Bridge (Wayne County, Missouri)
Built 1926
Concrete tee beam bridge over Peters Branch on Old US 67 at Silva
Open to traffic

Northeast Cape Fear River Bridge (New Hanover County, North Carolina)
Built 1951
Steel stringer bridge over Northeast Cape Fear River on US 117 & NC 133
Open to traffic

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

Nowhere Bridge over (some of) the San Gabriel River (Los Angeles County, California)
Abandoned steel tee beam bridge over San Gabriel River in Duarte
Abandoned

Oak Avenue Bridge (Wood County, Wisconsin)
Built 1918
Lost Timber stringer bridge over Oak Street on Canadian National Railway (formerly Wisconsin Central, Soo Line Railroad) in Marshfield
Replaced by new bridge

Oakwood Avenue Bridge (Waukesha County, Wisconsin)
Built 1928, Replaced 2007
Lost stringer bridge over Fowler Lake on Oakwood Avenue in Oconomowoc
Replaced by new bridge

Oconomowoc River Hwy 16 Bridge (Waukesha County, Wisconsin)
Built 1924
Stringer bridge over Oconomowoc River on Wisc 16 - West Wisconsin Avenue in Oconomowoc
Open to traffic

Ola Overpass (Yell County, Arkansas)
Built 1949
Steel stringer bridge over Little Rock Western on SH 7 in Ola
Open to traffic

Old Clinton Highway over Bullrun Creek Bridge (Anderson County, Tennessee)
Built 1940
Concrete tee beam bridge over Bullrun Creek on Old State Circle (formerly US 25W)
Open to traffic

Old Dixie Highway Oothcaloga Creek Tributary Bridge (Bartow County, Georgia)
Built 1929
Concrete tee beam bridge over Oothcaloga Creek Trib. on Old Dixie Highway
Open to traffic

Old Federal Road Underpass (Polk County, Tennessee)
Built 1906, modified sometime later
Beam bridge over Old Federal Road on CSX Railroad 347884v
Open to traffic

Old Gurdon Highway Bridge (Clark County, Arkansas)
Concrete tee-beam bridge on Old Gurdon Highway two miles south of Beirne. Unknown builder and date.
Concrete tee beam bridge over Boggy Creek on Old Gurdon Highway
Open to traffic

Old Hundred (Wetzel County, West Virginia)
Built 1933
Bridge over Church Fork Creek on Us 250
Open to traffic

Old Lee Creek Bridge (Washington County, Arkansas)
Built 1935 by CCC, Lost May 5, 1960 due to flooding
Lost Stringer bridge over Lee Creek on SR 170
Destroyed by flood

Old Mill Road Bridge (Chattooga County, Georgia)
Built 1930
Timber stringer bridge over Cs 583 Old Mill Road on Chattooga & Chickamauga Railway (Formerly Central of Georgia) in Summerville
Open to traffic

Old River Road Bridge (Jefferson County, Kentucky)
Concrete stringer bridge over Beargrass Creek on Formerly River Road in Louisville
Open to pedestrians

Old Road over the Santa Clara River (Los Angeles County, California)
Built 1928
Steel stringer bridge over Santa Clara River on The Old Road in Santa Clarita
Open to traffic

Old Rudy Way Bridge (Crawford County, Arkansas)
Built 1940 by the Works Progress Administration
Stringer bridge with stone piers over an unnamed creek on Old Rudy Way (CR 19) just off AR 282 at Rudy
Open to traffic

Old Spring Creek Bridge (Klamath County, Oregon)
Built 1948, Replaced 2005
Concrete tee beam bridge over Spring Creek on US 97
Replaced by the New Spring Creek Bridge in 2005

Old Topanga Road Bridge (Los Angeles County, California)
Built 1927; rehabilitated 1960
Wooden bridge over Old Topanga Creek on Old Topanga Road in Los Angeles
Open to traffic

Old US 270 Bridge (Latimer County, Oklahoma)
Timber stringer bridge over Old US 270 on Rock Island RR in Hartshorne
Open to traffic

Old US 50 Viaduct (Cooper County, Missouri)
Built 1924
Tee beam bridge over the Union Pacific Railroad on Old US 50, just north of current US 50
Open to traffic

Old US 80 Bridge (Lauderdale County, Mississippi)
Timber stringer bridge over Old US 80 on Illinois Central RR
Open to traffic

Old US 80 Bridge (Taylor County, Texas)
Built 1928
Bridge over Old US 80 on Texas and Pacific (now Union Pacific) RR west of Trent.
Open to traffic

Old US 89 Bridge (Cascade County, Montana)
Abandoned concrete stringer bridge on an old alignment of US 89
Abandoned

Orange & Hill Viaduct over SPRR (Los Angeles County, California)
Built 1932
Steel stringer bridge over Orange Ave Oh (Sptco) on Orange Ave & Hill S in Long Beach
Open to traffic

Orchard Road Bridge (St. Francois County, Missouri)
Built 2008
Concrete tee beam bridge over Orchard Road on Us 67 S in Bonne Terre
Open to traffic

Oriole Bridge (Cape Girardeau County, Missouri)
Built 1953
Stringer bridge with steel and wood piers over Little Indian Creek on Route V at Oriole
Open to two-lane traffic

Oxide Road Plank Bridge 1 (Doniphan County, Kansas)
Timber stringer bridge over Unnamed Creek on Oxide Road
Open to traffic

Oxide Road Plank Bridge 2 (Doniphan County, Kansas)
Timber stringer bridge over unnamed creek on Oxide Road
Open to traffic

Oxly Military Road Bridge (Ripley County, Missouri)
Built ca. 1930
Wooden deck bridge over Logan Creek on CR 142E-30 (Old Military Road), just south of Oxly
Open to one-lane traffic

Pacific Coast Highway over Las Flores Creek (Los Angeles County, California)
Built 1926; rehabilitated 1931
Concrete tee beam bridge over Las Flores Creek on Pacific Coast Highway (CA 1) in Malibu
Open to traffic

Palmer Slough Trestle (Butler County, Missouri)
Demolished Fall 2007
Lost wooden trestle on the Frisco Hoxie Branch Railroad over Palmer Slough near Sportmen's Park in Poplar Bluff
Removed

Park Avenue Bridge (Chattooga County, Georgia)
Built 1938
Steel stringer bridge over Chattooga River on Park Avenue in Trion
Open to pedestrians

Park Officials Resident Road Bridge over Fighting Gap Creek (Sevier County, Tennessee)
Built 1938
Concrete tee beam bridge over Fighting Gap Creek on Park Headquarters Road West
Open to traffic

Paup's Spur Bayou Old US 67 Bridge (Miller County, Arkansas)
Built 1929 by contractor McGuire & Cavender. Made obsolete 1954 by a new parallel alignment of US 67.
Concrete bridge over Paup's Spur Bayou on CR 138 (Old US 67) northeast of Texarkana
Open to traffic on a frontage road

Pearl Street Bridge (Kent County, Michigan)
Built 1922; rehabilitated 1983
Stringer bridge over Grand River on Pearl Street in Grand Rapids
Open to traffic

Pemiscot County Road 411 Bridge (Pemiscot County, Missouri)
Partially collapsed wooden bridge over Main Ditch No. 8 on CR 411 northeast of Deering
Closed to traffic, with middle span partially collapsed

Pemiscot County Road 413 Bridge (Pemiscot County, Missouri)
Wooden bridge over Main Ditch No. 8 on CR 413 northeast of Deering
Open to traffic

Penn Central Railroad underpass US 31 (Miami County, Indiana)
Built 1969. Old Rail line once part of the Pennsylvania Railroad system's Panhandle route, later Penn Central and Conrail's Columbus(Ohio)Secondary track, formerly double tracked.
Concrete stringer bridge over US 31's dual lanes. on Abandoned Conrail Railroad in Bunker Hill
Closed to all traffic

Pennsylvania Railroad bridge West of County Road 325 East (Cass County, Indiana)
Located on small stream immediately West of Country Road 325 East. Rail line formerly double tracked, now single.
Steel stringer bridge over Tributary of Minnow Creek on Winamac Southern Railway(nee Conrail, Penn Central, Pennsylvania RR, Chicago Great Eastern, New Castle and Richmond, other) in Logansport
Open to traffic

Pennsylvania Railroad Georgetown Road viaduct (Cass County, Indiana)
Steel stringer bridge over Georgetown Road aka Towpath Ranch Road where it meets US 24 on Toledo, Peoria, Western Railroad(formerly A&R Line, Winamac Southern, Conrail, Penn Central, and Pennsylvania Railroads. in Logansport West
Open to traffic

Pennsylvania Railroad RACE Tower Industrial track bridge (Cass County, Indiana)
This small bridge was part of the original alignment of Logansport's first rail line that left the current line at 18th Street and headed along the South side of Wabash River to South Burlington Avenue where a depot and turntable once sat.
Abandoned timber stringer bridge over unnamed ditch behind Church near Main Street(old US 35, 435) and 18th Street intersection on Formerly Conrail(nee Penn Central, Pennsylvania, Panhandle, New Castle and Richmond Railroads) in Logansport
Abandoned

Perry County Road 950 Bridge (Perry County, Missouri)
Small stringer bridge with stone abutments over an unnamed creek on CR 950 south of St. Mary
Open to one-lane traffic

Pleasant Street Bridge (Milwaukee County, Wisconsin)
Built 1972; improvements made in 1990
Bascule bridge over Milwaukee River on E. Pleasant Street in Milwaukee
Open to traffic

Pleasant Valley Cemetery Bridge (Wayne County, Missouri)
Wooden bridge over roadside ditch between US 67 and Pleasant Valley Cemetery, just north of Route A
Open to one-lane traffic on an immediate dead end access road

Plum Creek Bridge (Madison County, Missouri)
Built 1922
Tee beam bridge over Plum Creek on CR 504 (Old MO 72)
Open to traffic

POC over Fern Dell Creek (Los Angeles County, California)
Built 1921; rehabilitated 1927
Wooden POC
Open to Pedistrians

POC over Rubio Wash (Los Angeles County, California)
Built 1881; Destroyed, Replaced by Concrete Bridge
Steel bridge with wooden deck over Rubio Wash


Prairie Creek Bridge (Clinton County, Illinois)
Built 1942
Wooden bridge over Prairie Creek on TR 137A southeast of Huey, 1 mi. southeast of Huey
Open to traffic

Prairie Dell Road Bridge (Franklin County, Missouri)
Built ca. 1930; reconstructed 1996
Timber stringer bridge over Union Pacific Railroad on Prairie Dell Road in Union
Open to traffic

Princeton Overhead Bridge (Mercer County, Missouri)
Lost(?) wooden bridge over the Union Pacific Railroad somewhere near Princeton
Lost

Promen Drive Bridge (Fond du Lac County, Wisconsin)
Built 1927
Stringer bridge over Lakeside Creek on Promen Drive in Fond du Lac
Open to traffic