Main Street Bridge (Linn County, Oregon)
Built 1939, Replaced 2007
Truss bridge over Thomas Creek on Main Street in Scio
Replaced in 2007 by a concrete girder bridge.

Main Street Bridge (Old) (Brown County, Wisconsin)
Built 1923; Replaced 1996
Lost Bascule Bridge over Fox River on US 141 in Green Bay
Replaced by new bridge

Mansfield Street Viaduct (Gogebic County, Michigan)
Built 1922 as a joint venture between the two railroads and City of Ironwood;
Lost Bridge over Chicago & Northwestern Railroad and Minneapolis, St. Paul, Sault Ste. Marie (Soo Line) Railroad on Mansfield Street in Ironwood
Removed

Manzanola Bridge (Otero County, Colorado)
Originally built 1911 by the Patterson-Burghardt Bridge Co. over the Colorado River at Clifton near Grand Junction. Relocated here in 1950; replaced 1984.
Lost through truss bridge over the Arkansas River on CO 207
Replaced by modern bridge

Marathon City Bridge (Marathon County, Wisconsin)
Replaced 1989
Lost Parker through truss bridge over Big Rib River on STH 107 in Marathon City
Replaced by new bridge

Maries River Swinging Bridge (Maries County, Missouri)
Probably built by Joseph Dice
Lost suspension bridge over Maries River just off Route AA northwest of Vienna
Destroyed by flash flood, but remains still visible

Mark Twain Bridge (Marion County, Missouri)
Opened Sept. 4, 1936; tolls removed Oct. 30, 1940; rehabilitated 1982; replaced and demolished 2000
Lost through truss bridge over the Mississippi River on US 36 at Hannibal
Replaced by the new I-72 bridge

Marquand Bridge (Madison County, Missouri)
Old bridge built 1924 at a cost of about $4,000, raised by the community. Replaced 1993.
Lost through truss bridge over Castor River on Route A at Marquand
Replaced by concrete span; portion of old bridge now rests in Marquand City Park

Marsh Rainbow Arch Bridge (Jasper County, Iowa)
Replaced 1981
Lost Marsh arch bridge over Over IAIS RR on W 8th St N in Newton
Replaced by new bridge

Martin Bridge (Ouachita County, Arkansas)
Lost swing through truss bridge over Ouachita River at Camden
Replaced in 1947 by the Ben Laney Bridge

Mason Road Bridge (Gratiot County, Michigan)
Built 1904; Relocated and replaced 1995
Pratt pony truss bridge relocated from Bad River on Mason Road in Ithaca
Relocated and replaced by new bridge

Maxwell Bridge (Carroll County, Indiana)
Built 1906
Lost two-span through truss bridge over Tippecanoe River on Bicycle Bridge Road
Replaced by a modern bridge in 2001

McCann Road Bridge (Barry County, Michigan)
Built 1892; New Deck 1950's; Replaced 1987
Lost Pratt pony truss bridge over Thornapple River on Mc Cann Road in Hastings
Replaced by new bridge

McCord Creek Bridge (Multnomah County, Oregon)
Built in 1915 as part of the Columbia River Highway, Lost to the construction of I-84 in 1962.
Lost Concrete deck girder bridge over McCord Creek on Historic Columbia River Highway (US 30)
Replaced by new bridge

McCutcheon Road Bridge (St. Louis County, Missouri)
Built 1944; demolished Summer 2008
Lost concrete frame bridge over I-64/US 40 on McCutcheon Road in Ladue
No longer exists

McGirt's Bridge (Bladen County, North Carolina)
Built 1923 by the Atlantic Bridge Co.; replaced ca. 1983
Lost through truss bridge over Cape Fear River on US 701
Replaced by a new bridge

Meadow Hill Drive Bridge (Dunn County, Wisconsin)
Built 1926; Replaced 1996
Lost Parker through truss bridge over Wilson Creek on Meadow Hill Drive in Menomonie
Replaced by new bridge

Meadow Road Bridge (Dodge County, Wisconsin)
Built 1890; Replaced 1995
Lost Pratt through truss bridge over Beaver Dam River on Meadow Road in Town of Lowell
Replaced by new bridge

Melrose Bridge (Jackson County, Wisconsin)
Built 1922 by Worden-Allen Co.; Replaced 1985
Lost Pennsylvania through truss bridge over Black River on STH 71, STH 108 in Town of Melrose
Replaced by new bridge

Menomonee River Bridge (Marinette County, Wisconsin)
Replaced 2002
Lost Concrete deck girder bridge over Menominee River on CTH K - Chalk Hill Road in Towns of Amberg, WI and Homes, MI
Built 1927 to WHC Standard plans; Replaced by new bridge 2002

Meramec River MO 19 Bridge (Crawford County, Missouri)
Built 1925 by the Federal Bridge Co.; replaced 2000
Lost five-span closed-spandrel arch bridge over Meramec River on MO 19
Replaced by a modern bridge

Meredosia Railroad Bridge (Morgan County, Illinois)
Built 1857 (estimated), last train crossed tracks in 1955, dismantled after a new railroad bridge in Valley City opened but one pier still survives
Lost through truss swing bridge over Illinois River on railroad
was built just downstream of the highway bridge

Merrick Ford Bridge (Jasper County, Missouri)
Built 1891 by the Missouri Valley Bridge & Iron Co.; replaced 1996
Lost through truss bridge over Spring River on Kafir Road (CR 321)
Replaced by a new bridge

Midvale Bridge (Washington County, Idaho)
Built 1911 by the J.H. Forbes Co.; replaced 1995
Lost two-span through truss bridge over Weiser River at Midvale
Replaced by new bridge

Military Street Bascule Bridge (St. Clair County, Michigan)
Built 1012-13; Replaced 1991
Lost Bascule Bridge over Black River on I-94/I-69 Business Loop in Port Huron
Replaced by new bridge

Mill Rock Bridge (Jackson County, Iowa)
Built 1913; Replaced 1995
Lost Pratt through truss bridge over Big Bear Creek on 33rd Avenue in Monmouth Township
Replaced by new bridge

Mill Street Bridge (Waupaca County, Wisconsin)
Built 1891; Replaced 1994
Lost Stone arch bridge over Waupaca River on Water Street in Waupaca
Replaced by new bridge

Miller Ford Bridge (Gentry County, Missouri)
Built 1907 by the St. Joseph Bridge & Iron Co.; replaced 1997
Lost through truss bridge over Grand River on CR 469
Replaced by a new bridge

Millport Covered Bridge (Knox County, Missouri)
Built 1872 by William Hudson; collapsed ca. 1954 and replaced by a pony truss bridge
Lost covered bridge over Middle Fork Fabius River at Millport
No longer exists

Mills Street Bridge (Kalamazoo County, Michigan)
Built 1913; Replaced 1993
Lost Closed-spandrel arch bridge over Kalamazoo on Mills in Kalamazoo
Replaced by new bridge

Milton Road Bridge (Wood County, Ohio)
Removed 2008
Unusual pony truss bridge over Needles Creek on Milton Road
Gone - Disposition unknown

Milwaukee River Bridge (Ozaukee County, Wisconsin)
Built 1928, Replaced 2005
Truss bridge over Milwaukee River on Green Bay Street (WI 33) in Saukville
Demolished - Replaced by concrete slab

Milwaukee River Bridge (Ozaukee County, Wisconsin)
Built 1929, Replaced 2003
Truss bridge over Milwaukee River on CTH MY in Newburg
Demolished

Milwaukee Street Bridge (Jefferson County, Wisconsin)
Built 1930
Lost concrete arch bridge over Rock River on Milwaukee Street in Watertown
Demolished, replaced by UCEB 2008

Minnesota River MN 4 Bridge (Brown County, Minnesota)
Built 1930-31; replaced 1994
Lost two-span through truss bridge over Minnesota River on MN 4
Replaced by new bridge

Mississippi River I-35W Bridge (Hennepin County, Minnesota)
Built 1967; collapsed Aug. 1, 2007
Collapsed deck truss bridge over the Mississippi River on I-35W in Minneapolis
Collapsed

Mitchell-Griggs Road Bridge (Webster County, Kentucky)
Built ca. 1925 by the Vincennes Bridge Co.; demolished ca. 1982
Lost pony truss bridge over Caney Creek on Mitchell-Griggs Road
Lost

Morris Bridge (Grundy County, Illinois)
Built 1934; rehabilitated 1978; replaced 2002
Lost five-span through truss bridge over the Illinois River on IL 47 at Morris
Replaced by modern bridge

Morse Near Bridge (Oceana County, Michigan)
Replaced 1998
Lost Warren pony truss bridge over North Branch Pentwater River on 96th Avenue
Replaced by new bridge

Morton Creek AR 341 Bridge (Baxter County, Arkansas)
Built 1929; replaced 2004
Lost pony truss bridge over Morton Creek on AR 341 north of Norfolk in Salesville
Replaced by a new bridge

Morton's Highway Crossing (Kalamazoo County, Michigan)
Built 1904; Replaced 1992
Lost Concrete through arch bridge over Amtrak/Conrail Railroad on O Avenue in Near Oshtemo
Replaced by new bridge

Moscow Covered Bridge (Rush County, Indiana)
Built 1886 by E. L. Kennedy
Two-span covered bridge over Flatrock River on CR 900S at Moscow
Destroyed by tornado June 3, 2008. County has voted to rebuild it.

Mosel Avenue Bridge (Kalamazoo County, Michigan)
Built 1924; Altered 1953; Deck resurfaced 1985; Replaced 1990
Lost Concrete pony arch bridge over Kalamazoo River on Mosel Avenue in Kalamazoo
Replaced by new bridge

Mosel Avenue Grade Separation (Kalamazoo County, Michigan)
Built 1924; Demolished 1990
Lost Camelback concrete deck girder bridge over Riverview Drive on Mosel Avenue in Kalamazoo
Removed but not replaced

Mott Bridge (Hettinger County, North Dakota)
Built 1921; replaced 1982
Lost two-span rainbow arch bridge over North Fork Cannonball River on First Street in Mott
Replaced by new bridge

Mount Sterling Bridge (Gasconade County, Missouri)
Lost through truss bridge over Gasconade River at Mount Sterling on US 50
Replaced 1979

Multnomah Channel Bridge (Multnomah County, Oregon)
Built 1948
Through truss bridge over Multnomah Channel on FAS A668 in Portland
Replaced by a new bridge in June 2008

Murphysboro Bridge (Jackson County, Illinois)
Built 1942; replaced 2000
Lost through truss bridge over Big Muddy River on Town Creek Road (CH 5/FAS 917) at Murphysboro
Replaced by a new bridge

Murtaugh Bridge (Twin Falls County, Idaho)
Built 1915-16 by Charles H. Mull; replaced 1983
Lost Pratt deck truss bridge over Snake River on FAS 2744
Replaced by new bridge

N. Hawley Road Bridge (Milwaukee County, Wisconsin)
Built 1917
Concrete arch bridge over Menomonee River on N. Hawley Road in Milwaukee
Replaced

Napoleon Bridge (Henry County, Ohio)
Built 1929 by D.H. Overman; replaced 2005
Lost seven-span concrete arch bridge over Maumee River on OH 108 at Napoleon
Replaced by a replica bridge

Nebraska City Bridge (Otoe County, Nebraska)
Highway Bridge Built 1930 and Replaced 1983, Railroad bridge built 1887 and was abandoned
Lost through truss bridge over Missouri River/Bnsf Rr on Nebraska 2
Highway bridge replaced by new bridge

Neosho River Bridge (Lyon County, Kansas)
Built ca. 1930; replaced 2001
Lost through truss bridge over Neosho River, 4.0 mi. east of Emporia
No longer exists

Neosho River US 75 Bridge (Coffey County, Kansas)
Built 1934; Lost 2006
Through truss bridge over Neosho River on US 75
Lost

Nepesta Bridge (Pueblo County, Colorado)
Built 1905-06 by the Pueblo Bridge Co.; replaced 1989
Lost two-span through truss bridge over Arkansas River on Nepesta Road (CR 613) southeast of Boone
Replaced by a new bridge

New Fork River Bridge (Sublette County, Wyoming)
Built 1917; replaced 1989
Lost Kingpost pony truss bridge over New Fork River on CR 136
Replaced by new bridge

New London Bridge (Outagamie County, Wisconsin)
Built by Wisconsin Bridge & Iron Co, 1933-34; Removed 1990's.
Lost deck truss bridge over Embarrass River and (abandoned) Chicago & Northwestern Railroad on STH 54 in New London
Removed

Newark Bay Lift Bridge (Essex County, New Jersey)
Built 1924-25; demolished 1980
Lost vertical lift bridge over Newark Bay on the Central Railroad of New Jersey
Lost

Newman Bridge (Henry County, Missouri)
Built 1917; replaced 1998
Lost concrete girder bridge over West Fork of Tebo Creek on CR NE 500
Replaced by a new bridge

Niangua Arm US 54 Bridge (Camden County, Missouri)
Built 1930; replaced 1999
Lost cantilevered through truss bridge over Niangua Arm, Lake of the Ozarks, on US 54 southwest of Camdenton
Replaced by a new bridge

Niangua Bridge (Camden County, Missouri)
Built 1935; demolished in 2003
Lost deck truss bridge over Niangua Arm, Lake of the Ozarks, on MO 5/7 northwest of Camdenton
Replaced by modern bridge

Nineveh Bridge (Adair County, Missouri)
Built 1885; replaced 1989
Lost through truss bridge over Old Channel Chariton River on CR 175 east of Connelsville
Replaced by a concrete bridge

Noakes Bridge (Nodaway County, Missouri)
Built 1891-92 by the St. Joseph Bridge & Iron Co.; replaced 1991
Lost through truss over One Hundred and Two River on 130th Street (CR 156) southwest of Hopkins
Replaced by a concrete bridge

North Avenue Viaduct (Milwaukee County, Wisconsin)
Built 1921; Replaced 1991
Lost Open-spandrel arch bridge over Milwaukee River on E North Avenue in Milwaukee
Replaced by new bridge

North Park Bridge (Kent County, Michigan)
Build 1903; Altered 1933; Replaced 1991
Lost Pratt through truss bridge over Grand River on North Park Street in Grand Rapids
Replaced by new bridge

North Williston Bridge (Chittenden County, Vermont)
Built 1925 by the Standard Engineering & Contracting Co.; closed to traffic in 1990; replaced 1993
Lost through truss bridge over Winooski River on North Williston Road
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

Okabena Bridge (Jackson County, Minnesota)
Built 1936; replaced 1998
Lost through truss bridge over Jack Creek on CSAH 9 at Okabena
Replaced by a modern bridge

Old Arkadelphia Bridge (Clark County, Arkansas)
Built before 1907, possibly by Stupp Brothers Bridge & Iron Co.
Lost two-span through truss bridge over Ouachita River at Arkadelphia carrying AR 7, AR 8, and AR 51
Replaced by the current Arkadelphia Bridge

Old Cleves Bridge (Hamilton County, Ohio)
Built 1914 by the Penn Bridge Co.; parallel bridge built 1959-60; closed to traffic Feb. 1988; replaced 1990
Lost four-span through truss bridge over the Great Miami River on eastbound US 50 at Cleves
Replaced by modern bridge

Old Covington Bridge (Washington County, Illinois)
Lost through truss bridge with wooden deck, replaced by a modern bridge in the 1980s.
Lost through truss bridge over Kaskaskia River on Covington Road
Replaced by new beam bridge at current site

Old Four Bears Bridge (Barnes County, North Dakota)
Lost Cantilevered through truss bridge over Sheyenne River on former I-94 Business Loop in Valley City
Replaced by new bridge

Old Grade Road Bridge (Adair County, Missouri)
Built 1924; replaced 1989
Lost skewed through truss bridge over North Fork Salt River (Brashear Ditch) on CR 285 (Old Grade Road) south of Brashear
Replaced by a concrete bridge

Old Highway 66-70 Bridge (Hawkins County, Tennessee)
Lost Pratt through truss bridge over Holston River in Rogersville
Lost

Old Hopkins Bridge (Marshall County, Tennessee)
Built (year unknown) by the Youngstown Bridge Company, Youngstown, Ohio
Lost Pratt single-span through truss bridge over Duck River on Hopkins Bridge Road in Eastern Marshall County-Western Bedford County
Replaced by new concrete I-beam bridge with one middle pier

Old Lincoln Highway Bridge (Douglas County, Nebraska)
Replaced 1998, the Pony Truss structures were replaced on the new bridge
Lost pony truss bridge over W Br Papillion Creek on Old Lincoln Hwy
Replaced by new bridge

Old Mines Bridge (Washington County, Missouri)
Built 1923; rehabilitated 1933; replaced Summer 2007
Lost pony truss bridge over Old Mines Creek on MO 21
Replaced by a new bridge

Old Monticello Road Bridge (Bradley County, Arkansas)
Lost swing through truss bridge over Saline River on AR 4 (now US 278) between Warren and Monticello
Replaced 1949 by a new bridge located upstream

Old Norfolk-Southern Railway Bridge #6 (Cocke County, Tennessee)
Built 1916
Lost Howe Truss bridge on Southern Railway over French Broad River
Torn down when Douglass Lake was impounded by TVA, land piers still remain

Old Richardson Road Bridge (Marshall County, Tennessee)
Built 1911 by the Champion Bridge Company
Lost Pratt through truss bridge over East Rock Creek on Richardson Road in Northern Marshall County
Replaced by new bridge

Old Southern Railroad Bridge at Rogersville (Hawkins County, Tennessee)
Lost Bridge over Holston River on Formerly carried a spur of the Southern Railroad to Rogersville in Rogersville
Bridge was removed, but river piers remain

Old St. Charles Bridge (St. Charles County, Missouri)
Completed 1904; closed to traffic in 1992; finally dismantled in 1997
Lost four-span through truss bridge over the Missouri River at St. Charles
Replaced by a new bridge

Old Stone Bridge (Lincoln County, Tennessee)
Built 1861. General Sherman marched over the bridge in the Civil War. Bridge destroyed by flooding in 1969.
Lost stone arch bridge over Elk River on Old US HWY 231/431 in Fayetteville, TN
Destroyed by flood

Old US 131 Bridge (Mecosta County, Michigan)
Built 1929-30; Replaced 1996
Lost Deck girder bridge over Muskegon River on US-131 (Old) near Stanwood
Replaced by new bridge

Old Verona-Caney Road Bridge (Marshall County, Tennessee)
Destroyed by tractor-trailer truck, that exceeded bridge's maximum weight limit.. span on south end collapsed under the weight into the river.. rest of bridge later demolished
Lost Pratt through truss bridge over Duck River on Verona-Caney Road in Northern Marshall County
Collapsed

Old Verona-Caney Road Wooden Bridge (Marshall County, Tennessee)
Built 1900's
Lost Wooden Bridge over CSX (old Louisville & Nashville) Railroad on Verona-Caney Road in Northern Marshall County
Replaced by concrete deck bridge

Old Wallace Thompson Road Bridge (Marshall County, Tennessee)
Built 1902 by the Youngstown Bridge Company, Youngstown, Ohio
Lost Pratt through truss bridge over Big Rock Creek on Wallace Thompson Road in Northern Marshall County
Replaced by new bridge

Oldtown Bridge (Bonner County, Idaho)
Built 1926-27; replaced 1988
Lost four-span Parker through truss bridge over Pend Oreille River on US 2 in Oldtown
Replaced by new bridge

Orange Street Bridge (Missoula County, Montana)
Built 1937; replaced 2003
Lost deck truss bridge over Clark Fork on Orange Street in Missoula
Replaced by new bridge

Oregon City Bridge (Clackamas County, Oregon)
Built in 1888, Replaced by Conde B. McCullough through arch bridge in 1922.
Lost Suspension bridge over Willamette River on Oregon City - West Linn Road in Oregon City
Replaced by new bridge

Orleans Avenue Bridge (Minnehaha County, South Dakota)
Through truss bridge was closed to traffic for many years, posing a safety hazard resulting in the city councils decision to remove it
Lost through truss bridge over Big Sioux River on Orleans Avenue in Dell Rapids
Removed

Osage River MO 7 Bridge (Benton County, Missouri)
Built 1930; replaced in the 1970s by a new bridge with the creation of Truman Reservoir
Lost through truss bridge over Osage River on MO 7 (formerly MO 35) west of Warsaw
Removed

Osceola Arch Bridge (St. Clair County, Missouri)
Built 1928; replacement bridge completed 1974
Lost open-spandrel arch bridge on MO 13 over Osage River (Truman Reservoir) near Osceola
Replaced by a new bridge

Osiris Bridge (Cedar County, Missouri)
Built ca. 1910; replaced 2006
Lost pony truss bridge over Horse Creek on CR 1600
Replaced by a new bridge

Ouachita River CR 74 Bridge (Polk County, Arkansas)
Built 1914; replaced 2001
Lost pony truss bridge over Ouachita River on CR 74
Replaced by a new bridge

Pacific Covered Bridge (Franklin County, Missouri)
Lost covered bridge over Meramec River on what is now Route F near Pacific
Replaced by a new bridge just downstream when Route F was built

Pacific Short Line Bridge (Woodbury County, Iowa)
Built 1890-96; North Approach replaced 1907; Nebraska swing span electrified 1919; South approach replaced 1922; North Approach rebuilt 1929; Rails removed 1937; Iowa swing span removed 1957; Cantilevered roadways widened 1961-62; Replaced 1980
Lost Through truss bridge over Missouri River on Old US 20 in Sioux City
Replaced by new bridge

Packsaddle Bridge (Roger Mills County, Oklahoma)
Built 1929-30; replaced 1985
Lost 26-span through truss bridge over South Canadian River on US 283
Replaced by a modern bridge

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

Paradise Road Bridge (Clay County, Missouri)
Built 1896 by the Missouri Valley Bridge & Iron Works of St. Louis; demolished 1979 with the creation of Smithville Reservoir
Lost through truss over Little Platte River near Paradise
Removed