There are 15,120 bridges in this category · Only showing 6,270 bridges with photos
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Pony truss

A span where the truss webs extend above the deck, but are not connected together overhead.

Mad River Bridge (Washington County, Vermont)
Built 1928 By Palmer Steel Co.
Parker pony truss bridge over Mad River on C3011 in Moretown
Closed to all traffic

Maddox Creek CR 115 Bridge (Van Wert County, Ohio)
Built 1900
Pony truss bridge over Maddox Creek on CR 115 (Keltner Road)
Road closed, bridge removed

Maddox Mill Bridge (Whitfield County, Georgia)
Built sometime around 1915, abandoned in the 1930's or 40's when Chatsworth Highway was moved to it's present alignment
Abandoned pratt pony truss bridge over Coahulla Creek on old alignment of Chatsworth Highway / SR 52
Abandoned on private property

Madison Ave. White River Bridge (Madison County, Indiana)
(Main design: Baltimore through truss)
Lost through truss bridge over White River on Madison Ave. in Anderson
Replaced by new bridge

Madison Bridge (Montgomery County, Pennsylvania)
Built 1935, closed to traffic Oct. 2010
Pony truss bridge over Schuylkill River on Keim Street in Pottstown
Intact but closed to all traffic

Madison Street Bridge (Old) (Oneida County, New York)
Lost Pony truss bridge on Madison Street
Replaced by a new bridge

Madrid Bridge (Boone County, Iowa)
(Main design: Whipple through truss)
Replaced 1910
Lost Whipple through truss bridge over Des Moines River on Road
Replaced by a new bridge

Maggodee Creek Bridge (Franklin County, Virginia)
Built 1929; Replaced in 2012 and stored
Pony truss bridge over Maggodee Creek on Alean Road
Replaced with a new truss bridge and moved to a nearby location

Mahalasville Road Bridge (Morgan County, Indiana)
Built ca. 1920 in Morgan County: Larger span moved to Yorktown in Delaware County after smaller span was destroyed by a fallen tree.
Relocated pony truss bridge over Buck Creek
Open to pedestrians only

Mahin Road Bridge (Pettis County, Missouri)
Built ca. 1920
Pony truss bridge over Long Branch Muddy Creek on Mahin Road
Open to traffic

Mahoning Creek Bridge (Indiana County, Pennsylvania)
Built 1900 by Nelson & Buchanan
Pony truss bridge over Mahoning Creek on PA 4026
Demolished and replaced.

Mahoning Creek Bridge (Montour County, Pennsylvania)
Built 1913 by Owego Bridge Co.
Pony truss bridge over Mahoning Creek on TR 386
Closed to all traffic

Mahoning Creek Bridge (Jefferson County, Pennsylvania)
Built 1960
Pony truss bridge over Mahoning Creek on PA 3013
Open to traffic

Mahorner's Bridge (Noxubee County, Mississippi)
Built 1884, bypassed after 1970s
Abandoned pony truss swing bridge over Noxubee River on Abandoned alignment of Mahorner Rd
Bypassed and abandoned with approach pony trusses removed

Maiden Lane Bridge (Berrien County, Michigan)
Bypassed 1962
Warren pony truss bridge over Hickory Creek on Maiden Lane
Intact but closed to all traffic

Main Canal Bridge (Grant County, Washington)
Built 1948; Replaced 2008
Pony truss bridge over Main Canal on F Road NE
Replaced by a new bridge

Main Ditch CR 307 Bridge (Butler County, Missouri)
Built 1915; replaced August 2005
Lost pony truss bridge over Main Ditch (Pike Creek) on CR 307 (Lone Star Road) just south of Poplar Bluff in Poplar Bluff
Replaced by a new bridge

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
Replaced by a new bridge

Main St Bridge (McLeod County, Minnesota)
Pony truss bridge over Otter Creek on Road
Replaced

Main Street (Route 9) Bridge (Warren County, New York)
Built 1931
Warren pony truss bridge over Schroon River on US 9 in Warrensburg
Open to traffic

Main Street - Squannacook River Bridge (Old) (Middlesex County, Massachusetts)
Lost Pony truss bridge over Aquannacook on Main
Replaced by a new bridge

Main Street -Lamprey River (Old) (Rockingham County, New Hampshire)
Bridge
Replaced by a new bridge

Main Street Bridge (Fairfield County, Connecticut)
Built 1888 by the Berlin Iron Bridge Co.; rehabilitated 1922
Lenticular pony truss bridge over Rippowam River on Main Street in Stamford
Open to pedestrians

Main Street Bridge (Middlesex County, Massachusetts)
Built 1949
Pony truss bridge over MBTA/BMRR on MA 2A (East Main Street) in Ayer
Open to traffic

Main Street Bridge (Keweenaw County, Michigan)
Built 1909 by the Joliet Bridge and Iron Co.
Pony truss bridge over Eagle River on West Main in Eagle River
Open to pedestrians

Main Street Bridge (Petroleum County, Montana)
Built 1940
Pony truss bridge over McDonald Creek on Main Street in Winnett
Open to traffic

Main Street Bridge (Delaware County, New York)
Built 1936; rehabilitated 1969
Pony truss bridge over Susquehanna River on Main Street in Sidney
Open to traffic

Main Street Bridge (Bucks County, Pennsylvania)
Built 1927
Pony truss bridge over railroad tracks on Main Street in Sellersville
Open to traffic

Main Street Bridge (Franklin County, Vermont)
Built 1934
Parker pony truss bridge over Missisquoi River on TR 2/FAS 302 in Richford
Open to traffic

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

Main Street Bridge (Ross County, Ohio)
Built 1998
Pony truss bridge over Paint Creek on Main Street/Westfall Road
Open to traffic

Main Street Bridge (Monroe County, Indiana)
Built 1917
Lost Pratt pony truss bridge over Jack's Defeat Creek
Replaced by a new bridge

Main Street Bridge (Oneida County, New York)
Collapsed after being struck on 8/11/1913
Lost Bowstring pony truss bridge over Black River Canal on Main Street
Destroyed by collision

Main Street Bridge (Jones County, Iowa)
Built ca 1871; Removed ca 1902
Lost Bowstring pony truss bridge over Farm Creek on Main Street
Removed

Main Street Bridge (Hartford County, Connecticut)
Built 1922; Destroyed by flooding 1938
Lost Warren pony truss bridge over Farmington River on Main Street
Destroyed by flooding

Main Street Bridge (Huron County, Ohio)
Built 1878; Replaced 1909
Lost Bowstring pony truss bridge over Vermilion River on Main Street
Replaced by a new bridge

Main Street Bridge (Older) (Jones County, Iowa)
Lost Pratt pony truss bridge over Little Bear Creek on Main Street
Replaced by a new bridge

Main Street Bridge (Older) (Genesee County, New York)
Lost Bowstring pony truss bridge over Oatka Creek on Main St.
No longer exists

Main Street Road Bridge (Pettis County, Missouri)
Built 1909 (?)
Pony truss bridge over Muddy Creek on Main Street Road
Open to traffic

Main Street Swing Bridge (Niagara County, New York)
Built 1877, Replaced ca. 1897
Lost Pratt pony truss bridge over 18 Mile Creek on Main Street
No longer exists

Main Street Wills Creek Bridge (Guernsey County, Ohio)
Built 1959
Two-span pony truss bridge over Wills Creek on Main Street (now closed) in Kimbolton
Abandoned

Main Street- St. Regis River Bridge (Old) (Franklin County, New York)
Lost 1929
Lost Pratt Pony truss bridge over St Regis River on Main Street
Replaced by a new bridge

Main Street-Westecunk Creek Bridge (Older) (Ocean County, New Jersey)
Lost Pony truss bridge over Westecunk Creek on Main
Replaced by a new bridge

Majestic Collieries Bridge (Mingo County, West Virginia)
(Main design: Pratt through truss)
This served the infamous Majestic Colleries Company, which operated from 1914-1958, and the tipple there once had the distinction of being featured on the cover of Life magazine.
Abandoned truss bridge over Cedar Creek on Old Norfolk & Western Line
Abandoned

Major Road Bridge (Howard County, Iowa)
Built 1925
Pony truss bridge over Beaver Creek on Major Road
Closed to all traffic with the north approach removed and the entrance barricaded with a man-made mound

Malad Canyon Bridge (Gooding County, Idaho)
(Main design: Deck truss)
Lost Deck truss bridge over Malad River Gorge
Replaced by a new bridge

Mallaham Bridge (Putnam County, Ohio)
Built 1876 by the D.H. Morrison
Bowstring pony truss bridge over Riley Creek on Township Road M-6
Open to traffic

Malvern Mill Bridge (Whiteside County, Illinois)
Built ca. 1890
Pratt pony truss bridge over Rock Creek on Pedestrian Pathway
Open to pedestrians only

Mammoth Spring Bridge (Fulton County, Arkansas)
Lost six-span pony truss bridge over Spring Lake (the outlet of Mammoth Spring)
Demolished in the 1960s

Manard Bayou Bridge (Muskogee County, Oklahoma)
Built 1914
Pony truss bridge over Manard Bayou on Five Mile Rd. (N4410 Rd.)
Bypassed and abandoned.

Manasquan River Bridge (Monmouth County, New Jersey)
Built 1992
Pony truss bridge over Manasquan River on Allenwood-Lakewood Road
Open to traffic

Manayunk Canal Bridge (Philadelphia County, Pennsylvania)
Abandoned Pratt Pony Truss Pedestrian Bridge over Manayunk Canal
Abandoned, possibly demolished--see comments

Manayunk Philadelphia & Reading Railroad Bridge (Washington, District of Columbia)
Built 1845 1/2 Mile East of Flat Rock Tunnel. In service until 1901.
Howe pony truss bridge over Nothing (Exhibit) on Nothing (Exhibit)
One truss line on display as museum exhibit.

Manchester Fish Hatchery Bridge (Delaware County, Iowa)
Built 1896; Replaced ca. 1975
Lost Pony truss bridge over Spring Creek on 205th Avenue
Replaced by a new bridge

Manners Road over Neshanic River Bridge (Hunterdon County, New Jersey)
Replaced 2002
Warren pony truss with alternating verticals bridge over Neshanic River on Co 609-Manners Road
"Lost" Warren pony replaced by new bridge underneath it

Mannsville Bridge (Johnston County, Oklahoma)
(Main design: Parker through truss)
Built 1909; Lost to Flooding 2015
Lost through truss bridge over Washita River on FAS 3501
Destroyed by flood on 6-18-2015

Mantachie Creek/Bankhead Rd SW Bridge (Itawamba County, Mississippi)
Abandoned warren pony truss bridge over Mantachie Creek on an abandoned section of Bankhead Rd (Old MS 178/US 78)
Derelict/abandoned

Manton Road Bridge (Tehama County, California)
Built 1935
Pratt Pony truss bridge over Digger Creek on Manton Road in Manton
Open to traffic

Maquoketa River Bridge (Delaware County, Iowa)
(Main design: Pratt through truss)
Lost Pratt through truss bridge over Maquoketa River on Marion Street
Replaced by a new bridge

Marais des Cygnes River Bridge (Lyon County, Kansas)
Built ca. 1940
Pony truss bridge over Marais des Cygnes River, 3.0 mi. north of Reading
Open to traffic

Marais Ditch Route B Bridge (Bates County, Missouri)
Built 1934; rehabilitated to repair flood damage in 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 1934-35
Pony truss bridge over Marais des Cygnes River on Route B
Open to traffic

Marais River Route V Bridge (Bates County, Missouri)
Built 1961
Pony truss bridge over Marais des Cygnes River on Route V
Open to traffic

Marble Branch Bridge (Switzerland County, Indiana)
Built in 1897 by the Brackett Bridge Company; replaced 1999
Lost pony truss bridge over Marble Branch of Grants Creek on Grants Creek Road
Replaced by new bridge

Maria Creek Bridge (Sullivan County, Indiana)
Built 1920; replaced 1991
Lost Bedstead truss bridge over Maria Creek on Rd 1050 S
Replaced by new bridge

Maria Creek Bridge N500 NE (Knox County, Indiana)
Built 1915, Relocated after 2001
Relocated pony truss bridge over Mariah Creek on CR N500ne
Moved to Vigo County for private use

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

Marietta Pike Overpass (Lancaster County, Pennsylvania)
Built 1896; rehabilitated 1960
Pony truss bridge over Amtrak on PA 772 in Mount Joy
Open to traffic

Marion County Road 135 Bridge (Marion County, Missouri)
Double-intersection Warren pony truss bridge over Unnamed Creek on County Road 135
Open to traffic

Marion County Road 167 Bridge (Marion County, Missouri)
Built 1926
Pony truss bridge over a branch of South Fabius River on CR 167
Open to traffic

Marion Street Bridge (Middlesex County, Massachusetts)
Built 1896; rehabilitated 2003
Pony truss bridge over CSX Railroad/MBTA on Marion Street in Natick
Intact but closed to all traffic

Marion-Springville Road Bridge (Linn County, Iowa)
Built 18XX; Replaced 1914
Lost Bowstring pony truss bridge over East Big Creek on Marion-Springville Road
Replaced by a new bridge

Market Street Bridge (Lamar County, Texas)
Built 1930
Pony truss bridge over Cane Creek on Market Street in Roxton
Closed to all traffic

Marks Creek Bridge (Crook County, Oregon)
Bailey pony truss bridge over Marks Creek on U.S.F.S. 2610
Open to traffic

Marrowbone Creek Bridge (Davidson County, Tennessee)
Built 1940
Pony truss bridge over Marrowbone Creek on Marrowbone Lake Road near Nashville
Open to traffic

Marsh Creek Bridge (Centre County, Pennsylvania)
Built ca. 1900
Pony truss bridge over Marsh Creek on TR 471 in Blanchard
Closed to all traffic

Marsh Creek Bridge (Sullivan County, Indiana)
Built 1905; replaced 1987
Lost Warren pony truss bridge over Marsh Creek on South Division Road
Replaced by new bridge

Marsh Road Bridge (Crawford County, Pennsylvania)
Built 1890 by Penn Bridge Co.
Pony truss bridge over Conneaut Outlet on TR 574
Open to traffic

Marsh Run TR 181 Bridge (Huron County, Ohio)
Built 1922; rehabilitated 1991
Pony truss bridge over Marsh Run on TR 181
Open to traffic

Marshall Bridge (Marshall County, Indiana)
Built 1927
Lost Warren pony truss bridge over Hoffman Ditch on Ironwood Road
Replaced by a new bridge

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

Martin Creek Bridge (Wyoming County, Pennsylvania)
Lenticular pony truss bridge over Martin's Creek on State Street


Martin Road Bridge (Fond du Lac County, Wisconsin)
Built 1910: replaced 2007 (?)
Lost pony truss bridge over Union Pacific Railroad on Martin Road
Replaced by new bridge

Martin Road Bridge (Carbon County, Utah)
Pony truss bridge over Price River
Intact but closed to all traffic

Martin Vill Road Bridge (Henry County, Missouri)
Built 1927; rehabilitated 1965
Pony truss bridge over South Grand River on Martin Vill Road
Closed to all traffic

Martin's Fork Greenway Bridge (Harlan County, Kentucky)
Built in 1910 to carry Louisville & Nashville spur to coal mines at Crummies, KY
Polygonal Warren pony truss (camelback design) bridge over Cumberland River, Martin's Fork on abandoned railroad
Open to pedestrians

Martindale Bridge (Greene County, Indiana)
Built 1905
Pony truss bridge over Four Mile Creek on CR 600 West
Open to traffic

Martindale Creek CR 950S Bridge (Randolph County, Indiana)
Built ca. 1895
Lost Half-hip Pratt pony truss bridge over Martindale Creek on County Road 950 South
Replaced by a new bridge

Martinton Ditch Bridge (Iroquois County, Illinois)
Built 1955
Pony truss bridge over Martinton Ditch No. 3 on TR 320
Open to traffic

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

Marysvale Bridge (Piute County, Utah)
Built in ca. 1909; Rehabilitated in 1942; Replaced 1989 but truss bridge still exists.
Lost Double-intersection Warren pony truss bridge over Sevier River on Town Street
Replaced by new 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

Massengill Bridge (Anderson County, Tennessee)
(Main design: Parker through truss)
Built 1916
Lost Parker through truss bridge over Clinch River on Coal Creek Road (Lovely Bluff Road)
Replaced by new bridge

Massey Creek 231st Street Bridge (Cass County, Missouri)
Built ca. 1910
Pony truss bridge over a branch of Massey Creek on 231st Street
Replaced by a new bridge

Mathers Bridge (Brevard County, Florida)
Built 1927; rehabilitated 2005
Swing bridge over Banana River on Banana River Drive (CR 3) in Indian Harbour Beach
Open to traffic

Mathis Road Bridge (Harrison County, Indiana)
Pony truss bridge over Indian Creek on Mathis Road
No Longer Exists

Mattabesset River Bridge (Middlesex County, Connecticut)
Built 1880s or 1890s
Abandoned lenticular pony truss bridge over Mattabesset River on Unknown Road
Derelict/abandoned

Mattituck Harbor Bridge (Suffolk County, New York)
Built 1910
Bridge over Mattituck Harbor on Grand Avenue
No longer exists

Maucks Pond IN 64 Bridge (Gibson County, Indiana)
(Main design: Parker through truss)
Built 1931; rehabilitated 1979
Through truss bridge over Maucks Pond on IN 64
Replaced by a new bridge