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

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

Miami Creek CR 181 Bridge (Bates County, Missouri)
Built 1925
Pony truss bridge over Miami Creek on CR 181 (Elkhart Road)
Open to traffic

Middle Creek Bridge (Mahaska County, Iowa)
Built circa 1898
Pratt pony truss bridge over Middle Creek on Ventura Avenue


Middle Creek Bridge (Miami County, Kansas)
Built ca. 1920
Concrete arch bridge over Middle Creek, 9.0 mi. south and 3.6 mi. west of Louisburg
Open to traffic

Middle Creek Bridge (Miami County, Kansas)
Built 1907
Through truss bridge over Middle Creek on 379th Street, 1.5 mi. south and 1.8 mi. west of New Lancaster
Open to traffic

Middle Creek Bridge (Miami County, Kansas)
Pony truss bridge over Middle Creek, 1.3 mi. south and 1.0 mi. west of Beagle
Open to traffic

Middle Fork Little Maquoketa River Bridge (Dubuque County, Iowa)
Built 1915
Lost through truss bridge over Middle Fork Little Maquoketa River on a local road
No longer exists

Middle River Bridge (Madison County, Iowa)
Built 1932
Through truss bridge over Middle River on a local road
Open to traffic

Middle Road Covered Bridge (Ashtabula County, Ohio)
Built 1868; rehabilitated 1984
Covered bridge over Conneaut Creek on Middle Road in Conneaut
Open to traffic

Middlebury Street Bridge (Elkhart County, Indiana)
Built 1931 by Bontrager Construction Co.; rehabilitated 1985
Three-span concrete arch bridge over Elkhart River on Middlebury Street in Elkhart
Open to traffic

Midland Fredericktown Road Bridge (Columbiana County, Ohio)
Built 1900; rehabilitated 2004
Through truss bridge over North Fork Little Beaver Creek on Midland Fredericktown Road (TR 1038) in Calcutta
Open to traffic

Midland Tunnel No. 1 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
First of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Midland Tunnel No. 2 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
Second of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Midland Tunnel No. 3 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
Third of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Midland Tunnel No. 4 (Chaffee County, Colorado)
Built 1887 by the Colorado Midland Railroad
Fourth of four tunnels on CR 371 north of Buena Vista
Open to one-lane traffic

Milk River Bridge (Blaine County, Montana)
Built 1916
Timber through truss bridge over Milk River on CR 178
Open to traffic

Mill Creek Bridge (Reynolds County, Missouri)
Built 1921; abandoned ca. 2002; razed 2004-05
Lost concrete slab bridge on CR 360 (Old MO 21) over Mill Creek east of Lesterville
No longer exists

Mill Creek Bridge (Wabaunsee County, Kansas)
Built ca. 1935
Through truss bridge over Mill Creek on Willard Road, 1.0 mi. east and 0.2 mi. north of Maple Hill
Open to traffic

Mill Creek Bridge (Crawford County, Indiana)
Built 1885; rehabilitated 2000
Through truss bridge over Mill Creek on CR 220 East
Open to traffic

Mill Creek Covered Bridge (Parke County, Indiana)
Built 1907 by D.M. Brown
Covered bridge over Mill Creek on CR N550W
Open to traffic

Mill Creek Swinging Bridge (Miller County, Missouri)
Built by Joseph Dice; rehabilitated 1978
Swinging bridge over Mill Creek on Lake Road 42-18 (Swinging Bridges Road) near Brumley
Open to one-lane traffic

Mill Road Bridge (Darke County, Ohio)
Built 1881 by the Massillon Bridge Co.
Through truss bridge over Greenville Creek on TR 385 in Gettysburg
Open to traffic

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

Miller Creek Bridge (Independence County, Arkansas)
Built 1914 by Hartford & Fugatt of Batesville
Two-span arch bridge over Miller Creek on Miller Creek Road (CR 86) in Batesville
Open to one-lane traffic

Miller Creek Stone Bridge (Wayne County, Missouri)
Built ca. 1930
Low-water bridge with stone masonry foundations on CR 417 over Miller Creek beyond the end of Route JJ
Open to traffic with a 4 ton weight limit

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

Milltown Bridge (Sebastian County, Arkansas)
Built 1940 by the Works Progress Administration
Two-span stone arch bridge over Vache Grasse Creek on CR 77 (Mount Harmony Road) west of Milltown
Current status unknown

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 1929, Replaced 2003
Truss bridge over Milwaukee River on CTH MY in Newburg
Demolished

Milwaukee River Parkway, Lincoln Park, North Branch (Milwaukee County, Wisconsin)
Built 1940
Bridge over North Branch Milwaukee River on Milwaukee River Parkway
Open to traffic

Milwaukee River Parkway, Lincoln Park, South Branch (Milwaukee County, Wisconsin)
Built 1940
Bridge over South Branch Milwaukee River on Milwaukee River Parkway
Open to traffic

Mine Creek Bridge (Linn County, Kansas)
Built 1927
Rainbow arch bridge over Mine Creek on Ungeheuer Road (Old US 69), five miles north of Prescott
Open to traffic

Mine Creek Bridge (Linn County, Kansas)
Built 1914
Concrete arch bridge over Mine Creek, 8.8 mi. north and 3.4 mi. east of Prescott
Open to traffic

Minerva Creek Bridge (Marshall County, Iowa)
Built 1912
Arch bridge over Minerva Creek on a local road
Open to traffic

Minerva Creek Bridge (Marshall County, Iowa)
Built 1919
Pony truss bridge over Minerva Creek on a local road
Open to traffic

Mingo Ditch Bridge (Stoddard County, Missouri)
Formerly a bridge on the Frisco Hoxie Branch railroad built in 1926 (?) and refurbished for vehicle use when the line was discontinued
Pony truss bridge over Mingo Ditch southwest of Puxico on CR 499
Open to one-lane traffic on a gravel road with a 17 ton weight limit

Mink Hollow Covered Bridge (Fairfield County, Ohio)
Built 1887 by J.R.Brandt, bypassed
Multiple Kingpost through truss bridge over Arney Run
Open to pedestrians

Minnesota River Bridge (Blue Earth County, Minnesota)
Built 1954
Through truss bridge over Minnesota River on CR 42
Open to 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

Mississippi County Road 307 Bridge (Mississippi County, Missouri)
Built 1921
Pony truss on CR 307 (Old US 60) near Birds Point over a drainage ditch emptying into Brewer Lake in Wyatt
Open to traffic on a paved road with a 20 ton weight limit

Mississippi County Road 310 Bridge (Mississippi County, Missouri)
Built ca. 1922; relocated here 1966
Pony truss bridge over a drainage ditch on CR 310
Open to traffic

Mississippi County Road 314 Bridge (Mississippi County, Missouri)
Built 1922 as part of a bridge with at least two spans; relocated here in 1965
Pony truss bridge over Ditch 29 on CR 314, just off MO 77 south of Wyatt
Open to traffic

Mississippi County Road 319 Bridge (Mississippi County, Missouri)
Built 1922 as part of a bridge with at least two spans; relocated here 1965
Pony truss bridge over Ditch 29 on CR 319 just off MO 77
Open to traffic

Mississippi County Road 322 Bridge (Mississippi County, Missouri)
Built ca. 1922; relocated here 1966
Pony truss bridge over Spillway Ditch on CR 322 southeast of Charleston
Open to traffic on a gravel road

Mississippi County Road 325 Bridge (Mississippi County, Missouri)
Built 1922; relocated here in 1966
Pony truss bridge over Spillway Ditch on CR 325 southeast of Charleston
Open to traffic on a gravel road

Mississippi County Road 418 Bridge (Mississippi County, Missouri)
Built ca. 1922; relocated here 1970
Pony truss bridge over St. James Ditch on CR 418 west of MO 105
Open to traffic

Mississippi County Road 518 Bridge (Mississippi County, Missouri)
Built ca. 1922; relocated here 1965; replaced Summer 2005
Lost(?) pony truss bridge over Four Mile Pond Drainage Ditch on CR 518 just east of MO 102
No longer exists

Mississippi County Road 521 Bridge (Mississippi County, Missouri)
Built ca. 1922; relocated here 1965
Pony truss bridge on CR 521 over Wilkinson Drainage Ditch just west of MO 102
Open to traffic

Mistaken Creek Bridge (Grayson County, Kentucky)
Built ca. 1920
Bedstead pony truss bridge over Mistaken Creek on Yeaman-Olaton Road
Open to traffic

Modrow Road Bridge (Cowlitz County, Washington)
Built 1958
Steel arch bridge over Kalama River on Modrow Road
Open to traffic

Mollys Run Bridge (Jefferson County, Indiana)
Built 1905
Pony truss bridge over Mollys Run on Brooksburg Manville Road (CR 260N)
Open to one-lane traffic

Moniteau Church Road Bridge (Moniteau County, Missouri)
Built ca. 1930
Pony truss bridge over Howard Creek on Moniteau Church Road southwest of Jamestown
Open to traffic

Moniteau Creek Road Bridge (Cole County, Missouri)
Built 1915; made obsolete by a new bridge on MO 179 in 1967
Through truss bridge over Moniteau Creek on Moniteau Creek Road (Old MO 179)
Open to traffic

Monkey Jack Bridge (Henry County, Indiana)
Built in 1910, closed in 1970's
Pony truss bridge over Big Blue River on CR 225 West
Closed to all traffic with deck missing

Monument Road Bridge (Harris County, Georgia)
Built 1930
Truss bridge over Sand Creek on Monument Road
Open to traffic

Morman Fork CR 81 Bridge (Bates County, Missouri)
Pony truss bridge over a branch of Morman Fork on CR 81 (West Boone Road)
Open to traffic

Morrison Creek Bridge (Sullivan County, Indiana)
Built 1935
Pony truss bridge over Morrison Creek on CR 75 North
Open to traffic

Morrison Street Bridge (Multnomah County, Oregon)
Built 1958
Bascule bridge over Willamette River on Morrison Street in Portland
Open to traffic

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 Bridge (Ray County, Missouri)
Built by the Wrought Iron Bridge Co.
Through truss bridge over Crooked River on Landing Road
Open to traffic

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

Moss Road Bridge (Blount County, Alabama)
Built 1940
Through truss bridge over Calvert Prong Little War on Moss Road
Open to traffic

Mound Road Bridge (Shelby County, Indiana)
Through truss bridge over Flatrock River on Mound Road
Open to traffic

Mount Olive Road Covered Bridge (Vinton County, Ohio)
Built 1875 by G. W. Pilcher; rehabilitated 1963
Covered bridge over Middle Fork Salt Creek on TR 8 (Mt. Olive Road)
Open to pedestrians only

Mountain Fork Bridge (Polk County, Arkansas)
Built 1905
Two-span pony truss bridge over Mountain Fork Creek on CR 38 near the community of Camp Pioneer
Open to traffic

Mud Creek Bridge (Marion County, Kansas)
Concrete pony arch bridge over Mud Creek, 0.6 mi. north of Marion
Open to traffic

Muddy Creek Bridge (Butler County, Kansas)
Built 1910
Two-span concrete arch bridge over Muddy Creek, 3.2 mi. east and 1.0 mi. north of Douglass
Open to traffic

Muddy Creek Old US 65 Bridge (Pettis County, Missouri)
Built ca. 1930
Through truss bridge over Muddy Creek on Claycomb Road (Old US 65) north of Sedalia
Open to traffic

Mulberry Bridge (Crawford County, Arkansas)
Built 1896 by the Wrought Iron Bridge Co.
Derelict through truss bridge over Mulberry River near Mulberry
Derelict

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

Mull Covered Bridge (Sandusky County, Ohio)
Built 1851; made obsolete by new bridge in 1962 and closed to traffic
Covered bridge on CR 9 southwest of Fremont
Open to pedestrians only

Mullen Covered Bridge (Ashtabula County, Ohio)
Built 1876; rehabilitated 1987-88
Covered bridge over Mill Creek on Doyle Road
Open to traffic

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

Murphy Bridge (Huntington County, Indiana)
Built in 1928 by the Pan American Bridge Company; Restored in 2006.
Parker through truss bridge over Salamonie River on CR 800 South
Open to traffic

Murphy Drive Bridge (Caldwell County, Missouri)
Built ca. 1930
Pony truss bridge over Long Creek on S.W. Murphy Drive
Open to traffic

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

Murray Bridge (Humboldt County, Iowa)
Built 1905 by A.H. Austin; rehabilitated 1982; damaged in car wreck during 2004
Through truss bridge over West Fork Des Moines River on 190th Street, southeast of Bradgate
Closed to traffic

Myrtle Creek Arch Bridge (Douglas County, Oregon)
Built 1922, Rehabilitation & Widening 2007
Concrete arch bridge over South Umpqua River on CR 386 in Myrtle Creek
Open to traffic

Nachitoch Bluff Bridge (Clark County, Arkansas)
Built 1908 by the Morava Construction Co.; rehabilitated 1980; closed to traffic ca. 1996
Derelict two-span through truss over Little Missouri River, just upstream from I-30
Abandoned, with deck partially missing

Nahma Bridge (Delta County, Michigan)
Built 1917 by the Joliet Bridge & Iron Co.; closed to traffic in 1995; relocated Summer 2006
Pony truss bridge formerly over Sturgeon River on CR 497
Relocated to a golf course

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

Neff's Mill Covered Bridge (Lancaster County, Pennsylvania)
Built 1875
Covered bridge over Pequea Creek on Penn Grant Road
Open to traffic

Neosho River Bridge (Neosho County, Kansas)
Through truss bridge over Neosho River on 42.5-17.6 Local, 1.0 mi. east and 2.6 mi. south of St. Paul
Open to traffic

Neosho River Bridge (Coffey County, Kansas)
Built 1926
Two-span Marsh arch bridge over Neosho River on 19th Road, 0.2 mi. east of Hartford
Open to traffic

Neosho River Bridge (Neosho County, Kansas)
Built 1928
Through truss bridge over Neosho River, 1.2 mi. south and 0.4 mi. west of Erie
Open to traffic

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 Bridge (Neosho County, Kansas)
Built 1908
Through truss bridge over Neosho River, 2.4 mi. west of Erie
Closed to all traffic

Neosho River Bridge (Lyon County, Kansas)
Built ca. 1940
Through truss bridge over Neosho River, 0.5 mi. west of Neosho Rapids
Open to traffic

Neosho River Bridge (Neosho County, Kansas)
Built 1954
Through truss bridge over Neosho River, 0.4 mi. west of Shaw
Open to traffic

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

Nevins Covered Bridge (Parke County, Indiana)
Built 1920 by J.A. Britton
Covered bridge over Little Raccoon Creek on CR S130E
Open to traffic

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 Hope Bridge (Bartholomew County, Indiana)
Built 1913; rehabilitated 1999
Two-span through truss bridge over Flatrock River on CR 400 North in Columbus
Open to traffic

New Lick Log Creek Bridge (Bollinger County, Missouri)
Originally built ca. 1922 on a state highway. Relocated here in 1995 to replace the older Lick Log Creek Bridge (now derelict)
Refurbished pony truss bridge over Lick Log Creek on CR 736 near Gipsy
Open to traffic with no posted restrictions

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

New Pakota River Bridge (Gibson County, Indiana)
Built 1915
Through truss bridge over New Pakota River on CR 550 East
Open to traffic