Left Hand Chute AR 77 Bridge (Mississippi County, Arkansas)
Built 1965
Pony truss bridge over Left Hand Chute of Little River on AR 77 just south of the intersection with AR 198, northwest of Dyess
Open to two-lane traffic

Lenox Bridge (Dyer County, Tennessee)
Built 1917 by the Vincennes Bridge Co.; damaged by overweight load in 1978; dismanted 1985; relocated 1987-88
Swing pony truss bridge originally spanning Obion River on CR S8025 west of Lenox
Open to pedestrians only

Levi Branch Bridge (Pope County, Arkansas)
Built ca. 1940
Pony truss bridge over Levi Branch on CR 14 (Old AR 7)
Open to traffic

Lick Creek Bridge (Owen County, Indiana)
Built ca. 1930
Pony truss bridge over Lick Creek on CR 750 South
Open to traffic

Lick Creek Bridge (Sangamon County, Illinois)
Pony truss bridge over Lick Creek on TR 176 in Springfield
Open to traffic

Lick Creek Bridge (Orange County, Indiana)
Built ca. 1910
Pony truss bridge over Lick Creek on CR 250 South
Open to traffic

Lick Creek Route J Bridge (Stoddard County, Missouri)
Built 1935
Pony truss bridge over Lick Creek Ditch on Route J, west of Bloomfield
Open to one-lane traffic

Limekiln Creek Bridge (Benton County, Arkansas)
Built ca. 1920
Pony truss bridge over Limekiln Creek on CR 700
Open to traffic

Linn Creek Bridge (Marshall County, Iowa)
Built 1893; rehabilitated 1955
Pony truss bridge over Linn Creek on a local road
Open to traffic

Lithium Bridge (Perry County, Missouri)
Built ca. 1920
Pony truss bridge over Falls Branch on CR 921 just off Route M at Lithium
Open to traffic on a gravel road with a 6 ton weight limit

Little Achmun Creek Bridge (Yell County, Arkansas)
Built ca. 1920; replaced 1989
Lost wooden deck bridge with double-intersection Warren railing on Mickles Switch Road (CR 49/Old AR 10) northwest of Ola
Replaced by a new bridge

Little Antoine Creek Bridge (Clark County, Arkansas)
Built ca. 1930; rehabilitated 1974
Pony truss bridge over Little Antoine Creek on CR 246
Open to one-lane traffic

Little Berger Creek Bridge (Gasconade County, Missouri)
Built 1933; rehabilitated 1985
Pony truss bridge over Little Berger Creek on MO 100 southeast of Hermann
Open to two-lane traffic

Little Black River MO 142 Bridge (Ripley County, Missouri)
Built 1949
Three-span pony truss bridge over Little Black River on MO 142, northwest of Naylor
Open to two-lane traffic on a paved road

Little Blue Creek Bridge (Pike County, Illinois)
Built 1916 by the Illinois Steel Bridge Co.; rehabilitated 1997
Pony truss bridge over Little Blue Creek on 492nd Street, This bridge was relocated from County Highway 14 on Big Blue. North of Detroit Illinois
Open to traffic

Little Blue River Old IN 37 Bridge (Crawford County, Indiana)
Built 1926
Closed pony truss bridge over Little Blue River on Old IN 37
Closed to all traffic

Little Buck Creek Bedstead (Henry County, Indiana)
Original date and location unknown, later moved to farm field.
Abandoned bedstead Pratt pony truss bridge over Little Duck Creek
Abandoned

Little Cache River CR 310 Bridge (Clay County, Arkansas)
Built 1923; replaced 2003
Lost pony truss bridge over Little Cache River on CR 310
No longer exists

Little Cossatot River Bridge (Sevier County, Arkansas)
Built 1908 by the Morava Construction Co. of Chicago
Pony truss bridge over Little Cossatot River on CR 139 (Wildwood Road) west of Lockesburg in Lockesburg
Open to traffic

Little Creek Bridge (Fayette County, Illinois)
Built 1954
Pony truss bridge over Little Creek on TR 442, 4 mi. northeast of St Elmo
Open to traffic

Little Deceiper Creek Bridge (Clark County, Arkansas)
Lost pony truss bridge over Little Deceiper Creek on AR 8
No longer exists

Little Flora Creek Bridge (Cape Girardeau County, Missouri)
Built ca. 1925
Pony truss bridge over Little Flora Creek on CR 635 southwest of Egypt Mills
Open to traffic

Little Frog Bayou US 64B Bridge (Crawford County, Arkansas)
Built 1929
Pony truss bridge over Little Frog Bayou on US 64B in Alma
Open to traffic

Little Indian Creek Bridge (Greene County, Indiana)
Built 1905
Pony truss bridge over Little Indian Creek on CR 100 South
Open to traffic

Little Indian Creek John Pectol Road Bridge (Floyd County, Indiana)
Built ca. 1930; rehabilitated 1972
Pony truss bridge over Little Indian Creek on John Pectol Road in Galena
Open to traffic

Little Laflin Bridge (Bollinger County, Missouri)
Built ca. 1930; replaced 2005
Lost pony truss bridge over a branch of Crooked Creek near Laflin on CR 408
Replaced by a new bridge

Little Missouri River US 67 Bridge (Clark County, Arkansas)
Built 1931 by the Vincennes Bridge Co. of Vincennes, Indiana
Three-span pony truss bridge over Little Missouri River on US 67
Open to traffic

Little Muncy Creek PA 442 Bridge (Lycoming County, Pennsylvania)
Built 1927
Pony truss bridge over Little Muncy Creek on PA 442
Open to traffic

Little Robinson Road Bridge (Benton County, Arkansas)
Built ca. 1930
Pony truss bridge over an unnamed creek on Robinson Road (CR 103)
Open to one-lane traffic

Little Salt Creek Bridge (Effingham County, Illinois)
Built 1909
Pony truss bridge over Little Salt Creek on TR 304, 3 mi. northwest of Dieterich
Open to traffic

Little Shawnee Creek Bridge (Fountain County, Indiana)
Built 1935
Pony truss bridge over Little Shawnee Creek on CR 200 East
Open to traffic

Little Sni-A-Bar Creek Bridge (Lafayette County, Missouri)
Built 1925
Pony truss bridge over Little Sni-A-Bar on MO 224 (Old US 24)
Open to one-lane traffic

Little Tabo Creek MO 213 Bridge (Lafayette County, Missouri)
Built 1956
Pony truss bridge over Little Tabo Creek on MO 213
Open to traffic

Little Valley Church Bridge (Bollinger County, Missouri)
Built 1922
Pony truss bridge over Cane Creek on CR 524 northwest of Dongola
Open to traffic on a gravel road with an 8 ton (?) weight limit

Little Zion Bridge (Madison County, Missouri)
Built 1922
Pony truss bridge over a branch of Twelvemile Creek near Zion on CR 417 (Old US 67)
Open to traffic with a 20 ton limit on a paved road

Lobatos Bridge (Conejos County, Colorado)
Built 1989
Pony truss bridge over Rio San Antonio on CR G east of Antonito
Open to two-lane traffic

Log Creek Road Bridge (Caldwell County, Missouri)
Built 1908
Pony truss bridge over Log Creek on S.W. Log Creek Road
Open to traffic

Logan Creek Katy Bridge (Callaway County, Missouri)
Pony truss bridge over Logan Creek on the Katy Trail (former MKT Railroad)
Open to pedestrians and bicyclists only

Logan Creek Old US 160 Bridge (Ripley County, Missouri)
Built 1923; made obsolete by new US 160 alignment in 1974
Pony truss bridge over Logan Creek on CR 160E-12 (Old US 160), northeast of Doniphan
Open to traffic on a paved road

Long Cane Creek Bridge (Abbeville County, South Carolina)
Built 1923, Replaced 2000
Lost Warren pony truss bridge over Long Cane Creek on S-1-133
Replaced by new bridge

Longfellow Bridge (Bates County, Missouri)
Built 1915, replaced 1997 by a UCEB
Lost Pony truss bridge over Gillam creek on CR 5508, 3 miles southwest of Foster
Replaced by new bridge

Longman Road Bridge (Preble County, Ohio)
Built ca. 1875
Pony truss bridge over Sugar Creek on Longman Road (TR 255)
Open to traffic

Los Cerritos Bridge (Conejos County, Colorado)
Reconstructed 1987
Pony truss bridge over Conejos River on CR M south of Manassa
Open to one-lane traffic

Lost River Bridge (Orange County, Indiana)
Built ca. 1920; rehabilitated 1992
Pony truss bridge over Lost River on CR 500 East
Open to traffic

Lower San Rafael Bridge (Emery County, Utah)
Originally built in the 1940s, Relocated to this location in 1973, Replaced 1998
Lost Pony truss bridge over San Rafael River on County Road 1010
Replaced by new bridge

Lye Creek Bridge (Montgomery County, Indiana)
Built 1879
Pony truss bridge over Lye Creek on CR 475 East
Closed to all traffic

Lye Creek Bridge (Marion County, Indiana)
Built in Montgomery County in 1879- moved to Indianapolis over Central Canal
Bedstead pony truss bridge over Central Canal in Indianapolis
Open to pedestrians

Macoupin Bridge (Macoupin County, Illinois)
Pony truss bridge over Macoupin Creek on Lake Catatoga Road south of Macoupin
Open to one-lane traffic

Mahalasville Road Bridge (Morgan County, Indiana)
Built ca. 1920
Relocated pony truss bridge over Buck Creek
Open to pedestrians only

Main Ditch Old US 60 Bridge (Stoddard County, Missouri)
Built 1922, rehabilitated 1932
Pony truss bridge over a tributary of Main Ditch on MO 114 (Old US 60) east of Dexter
Open to one-lane traffic

Mammoth Spring Bridge (Fulton County, Arkansas)
Lost six-span pony truss bridge over the outlet of Mammoth Spring
No longer exists

Marais Ditch Route B Bridge (Bates County, Missouri)
Built 1934; rehabilitated 1952
Pony truss bridge over Marais des Cygnes River Drainage Ditch on Route B
Open to traffic

Marais River Route B Bridge (Bates County, Missouri)
Built 1934
Pony truss bridge over Marais des Cygnes River on Route B
Open to traffic

Mariah Creek Bridge (Knox County, Indiana)
Built ca. 1930; rehabilitated 1984
Pony truss bridge over Mariah Creek on CR 1050 North
Open to traffic

Marseille Nabisco Bridge (La Salle County, Illinois)
Howe pony truss bridge over Marseille Power Canal on spur of Rock Island Railroad in Marseille


Martin Bridge (Lake County, Colorado)
Pony truss on a bike trail east of Leadville crossing CR 3
Open to two-lane bike traffic above and road traffic below

Martintown Road Bridge (Union County, Mississippi)
Built 1968
Pony truss bridge over Tallahatchie River on CR 86 (Martintown Road) in New Albany
Open to traffic

Maryland Street Bridge (Pike County, Missouri)
Built ca. 1920
Pony truss bridge over Town Branch on Maryland Street in Louisiana
Open to one-lane traffic with an 8 ton weight limit

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

Massie Creek Katy Trail Bridge (Warren County, Missouri)
Pony truss bridge over Massie Creek on the Katy Trail just off MO 94
Open to pedestrians and bicyclists only

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

McGilvray Road Bridge No. 1 (La Crosse County, Wisconsin)
Built 1906 by the the La Crosse Bridge & Steel Co.
Two-span bowstring truss bridge over a tributary of Black River on Old McGilvray Road in Van Loon Wildlife Area
Open to pedestrians only

McGilvray Road Bridge No. 2 (La Crosse County, Wisconsin)
Built 1908 by the the La Crosse Bridge & Steel Co.
Two-span bowstring truss bridge over a tributary of Black River on Old McGilvray Road in Van Loon Wildlife Area
Open to pedestrians only

McGilvray Road Bridge No. 3 (La Crosse County, Wisconsin)
Built 1905 by the the La Crosse Bridge & Steel Co.
Bowstring truss bridge over a tributary of Black River on Old McGilvray Road in Van Loon Wildlife Area
Open to pedestrians only

McGilvray Road Bridge No. 4 (La Crosse County, Wisconsin)
Built 1907 by the the La Crosse Bridge & Steel Co.
Two-span bowstring truss bridge over a tributary of Black River on Old McGilvray Road in Van Loon Wildlife Area
Open to pedestrians only

McGilvray Road Bridge No. 6 (La Crosse County, Wisconsin)
Built 1905 by the the La Crosse Bridge & Steel Co.
Bowstring truss bridge over a tributary of Black River on Old McGilvray Road in Van Loon Wildlife Area
Open to pedestrians only

McIlroy Road Bridge (Randolph County, Arkansas)
Built 1963
Lost pony truss bridge over an unnamed creek on McIlroy Road
No longer exists

McKenzie Creek Iron Bridge (Wayne County, Missouri)
Warren pony truss bridge over McKenzie Creek on Missouri Pacific Railroad
Open to traffic

McKenzie Creek MO 49 Bridge (Wayne County, Missouri)
Built 1929
Pony truss bridge over McKenzie Creek on MO 49 south of Gads Hill
Open to traffic

McKinney Creek Bridge (Polk County, Arkansas)
Built 1915
Pony truss bridge over McKinney Creek on CR 50
Open to one-lane traffic

McNeely Creek Bridge (Clark County, Arkansas)
Built 1923; rehabilitated 1990
Pony truss bridge over McNeely Creek on CR 12
Open to one-lane traffic

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

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


Mile Creek 299th Street Bridge (Cass County, Missouri)
Built 1918
Pony truss bridge over Mile Creek on 299th Street
Open to traffic

Miller Creek Bridge (Alexander County, Illinois)
Built 1933
Pony truss bridge over Miller Creek on Old Illinois Route 3 northeast of Thebes, 1 mi. north of Thebes
Open to two-lane traffic

Millers Bridge (Butler County, Missouri)
Built 1924
Pony truss bridge over Cane Creek on Route PP (Old US 60) west of Poplar Bluff
Open to two-lane traffic

Milltown High Street Bridge (Warren County, Pennsylvania)
Built 1937; rehabilitated 1982
Pony truss bridge over Tionesta Creek on PA 2002 (High Street) in Milltown
Open to traffic

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

Miner Street Bridge (Clear Creek County, Colorado)
Built 1902 by Kuyes and Work. Reconstructed 1990 (the trusses are no longer load-bearing).
Reconstructed pony truss bridge over Clear Creek on Miner Street in Idaho Springs
Open to traffic

Miners Park Bridge (Madison County, Illinois)
Built 2003 as part of building a new library
Bowstring pony truss bridge over Judy Branch on bike trail in Glen Carbon
Open to pedestrians

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

Mingo Creek Bridge (Tulsa County, Oklahoma)
Built c. 1920; replaced with steel stringer bridge 1958.
Lost Warren pony truss bridge over Mingo Creek on E. Pine St. in Tulsa
Replaced by new bridge

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

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

Missouri Street Bridge (Washington County, Missouri)
Pony truss bridge over Breton Creek on Missouri Street in Potosi, just south of the courthouse
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

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

MoDOT Bridge (Cole County, Missouri)
Built ca. 1920; rehabilitated 1990
Closed pony truss bridge over Wears Creek off MoDOT Drive in Jefferson City
Closed to all traffic and posted against trespassing

Moline Main Street Bridge (Elk County, Kansas)
Pony truss on North Main Street over Wildcat Creek in Moline
Open to one lane traffic on a paved street

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

Moneek Bridge (Winneshiek County, Iowa)
Built ca. 1872. Relocated to Castalia City Park ca. 1993
Bowstring pony truss bridge
Open to pedestrians