There are 9,308 bridges in this category · Only showing 7,320 bridges with photos
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Pratt truss

The Pratt truss is named after Thomas and Caleb Pratt, Boston railroad engineers who patented the design in 1844. The Pratt and its variations are the most common design of metal truss bridges. On a basic Pratt truss, the diagonals slope toward the center of the bridge, do not cross any verticals, and are approximately parallel. The top chord is straight and parallels the lower chord. The panels can have sub-divisions - or verticals and diagonals that don't reach from the top to bottom chord, though this can be considered a variation of the basic type. There are many variations, or sub-types of the Pratt truss, some of which have their own name including Parker, camelback, Pennsylvania, Baltimore, and others. It is used in bridges as a through truss, pony truss, and deck truss.


Lye Creek CR 800N Bridge (Montgomery County, Indiana)
Built 1894
Lost Bedstead Pratt pony truss bridge over Lye Creek on County Road 800 North
Replaced by a new bridge

Lyell Ford Bridge (Marion County, Missouri)
Built 1898 by the Kansas City Bridge Co.
Lost through truss bridge over South Fabius River on CR 117
Destroyed by flooding Sunday, June 28, 2015 after 6pm.

Lyman's Creek Bridge (Lee County, Kentucky)
Lost Pratt through truss bridge over Lyman's Creek
No longer exists

Lyndon Bridge (Whiteside County, Illinois)
(Main design: Pennsylvania through truss)
Built 1894 by Keefers & Wyncoop; span added 1912; Closed in 1980; saved from demolition 1998
Pennsylvania through truss bridge over Rock River on 6th Avenue (Lyndon Road)
Open to pedestrians

Lynn Line Road Bridge (Wood County, Wisconsin)
Built 1906
Pony truss bridge over East Fork Black River on Lynn Line Road
Closed to all traffic

Lyon Creek Bridge (Dickinson County, Kansas)
Built Ca. 1900, according to the Kansas State Historical Society
Abandoned pratt through truss bridge over Lyon Creek on 1600 Avenue
Derelict/abandoned

Lytle Fork Bridge (Scott County, Kentucky)
Abandoned pony truss bridge over Lytle Fork
Abandoned

M - 104 Bridge (Older) (Ottawa County, Michigan)
Replaced 1924
Pratt through truss bridge over Spring Lake on M - 104
No longer exists

M&B - Steven Branch Bridge (Washington County, Vermont)
Built for the Central Vermont Railroad; Abandoned 1958
Pratt through truss with all verticals bridge over Steven Branch on Abandoned Montpelier & Barre (Central Vermont) Railroad
Open to pedestrians / snowmobiles only

M&NA - White River Bridge (White County, Arkansas)
Lost Through truss bridge over White River on Missouri & North Arkansas RR
Removed

M&StL - Walnut Creek Bridge (Polk County, Iowa)
Built 1901; Removed ?
Lost Pratt through truss bridge over Walnut Creek on Minneapolis & St. Louis Railway
Removed

Ma & Pa - Muddy Creek Bridge (York County, Pennsylvania)
Built 1900
Abandoned through truss bridge over Muddy Creek on Maryland & Pennsylvania Railroad
Derelict/abandoned on private property posted against trespassing

MacArthur Bridge (St. Louis, Missouri)
(Main design: Pennsylvania through truss)
Built 1907-1917 by the City of St. Louis to break the monopoly of the Terminal Railroad Association, which controlled the two other bridges at St. Louis and charged unreasonable tolls. Automobile deck closed to traffic in 1981.
Three-span through truss bridge over the Mississippi River in St. Louis, south of the Poplar Street Bridge
Open to railroad traffic only

Machia Road Bridge (Franklin County, Vermont)
Built 1928
2 span Pratt through truss bridge over Missisquoi River on C3006 in Highgate
Open to traffic

Mackelroy Creek Bridge (Richardson County, Nebraska)
Built 1904
Pony truss bridge over Mackelroy Creek on 711 Road (37th Street)
Closed to all traffic

Mackville Road Bridge (Lincoln County, Missouri)
Built 1936; replaced 2004
Lost through truss over North Fork Cuivre River on Mackville Road just beyond the end of Route K at Briscoe
Replaced by modern bridge

Macon Bridge (Macon County, Missouri)
Lost through truss bridge on a city street in Macon
No longer exists

Macoupin Creek Bridge (Macoupin County, Illinois)
Pony truss bridge over Macoupin Creek on Lake Catatoga Road south of Macoupin
Closed

Macoupin Creek Bridge - Coops Mound Rd (Macoupin County, Illinois)
Pony truss bridge over Macoupin Creek on Coops Mound Rd, 2 mi. south of Standard City
Intact but closed to all traffic

Mad River CR 175 Bridge (Logan County, Ohio)
Built 1910
Pony truss bridge over Mad River on CR 175 in West Liberty
Replaced by a new truss bridge in 2007

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 Baltimore through truss bridge over White River on Madison Ave. in Anderson
Replaced by new bridge

Madison Railroad - Big Creek Bridge (Jefferson County, Indiana)
Pratt deck truss bridge over Big Creek on Madison Railroad
Replaced by a new bridge

Madison Railroad - Graham Creek Bridge (Jennings County, Indiana)
Pratt deck truss bridge over Graham Creek on Madison Railroad
Open to traffic

Madison Railroad - Otter Creek Bridge (Jennings County, Indiana)
Built 1890's
Pratt deck truss bridge over Otter Creek on Madison Railroad
Replaced by a new bridge

Madison Railroad - Vernon Fork Muscatatuck River Bridge (Jennings County, Indiana)
Built ca.1890's
Pratt deck truss bridge over Vernon Fork Muscatatuck River in Vernon
Open to traffic

Madison Road Bridge (Lake County, Ohio)
Lost Bridge over Grand River on Bailey Rd and Klasen Rd
Demolished, bypassed by new bridge

Madison Street Bridge (1891) (Multnomah County, Oregon)
Built 1891 Rebuilt into second bridge 1900
Lost Pratt through truss swing bridge over Willamette river on Madison Ave now Hawthorne street.
Replaced by a new bridge

Madison-Milton Bridge (Jefferson County, Indiana)
(Main design: Warren through truss)
Built 1928-29; rehabilitated 1997, imploded August 2013
Cantilevered through truss bridge over Ohio River on US 421 between Madison, IN, and Milton, KY
All main spans demolished.

Madisonville Bridge (Ralls County, Missouri)
Built 1893 by St. Louis Bridge & Iron Co.; relocated to a nearby field in 2005
Through truss bridge formerly over Spencer Creek on Madisonville Road just beyond the end of Route C, but now located in a field just north of its old location
Relocated to a nearby field after being purchases by a local couple. Replaced by new bridge

Maffit Bridge (Macon County, Illinois)
Built 1881
Lost Through truss bridge over Sangamon River
Demolished

Magnolia Garden Bridge (Orleans Parish, Louisiana)
Built in 1886 by the Smith Bridge Company; moved to present location in 1909; restored for pedestrian use in 1989
Pratt through truss bridge over Bayou St. John at Harding Drive
Open to pedestrians

Magnum Through Truss (Eastland County, Texas)
Pratt through truss bridge over South Fork Leon River on Road
Open to authorized vehicles only

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

Mahanoy Creek Bridge (Northumberland County, Pennsylvania)
Built 1902 by the King Bridge Company
Through truss bridge over Mahanoy Creek on TR 377
Closed to all traffic

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

Mahoning Avenue Double Decker Viaduct (Mahoning County, Ohio)
Built 1903
Through truss bridge over Mill Creek on CR 319
Replaced by a new bridge

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

Main Avenue Bridge (Wayne County, Pennsylvania)
Lost Pratt through truss bridge over Lackawaxen River on Main Ave.
No longer exists

Main Avenue Bridge (1860) (Cuyahoga County, Ohio)
Built 1860; Replaced 1940
Lost Through truss bridge over Cuyahoga River on Main Avenue/Route 2
Replaced by a new bridge

Main Channel Bridge (Sanders County, Montana)
Built 1911
Pratt deck truss bridge over Clark Fork on Pedestrian Traffic
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 (Crawford County, Pennsylvania)
Built 1937; rehabilitated 1980
Pratt through truss bridge over French Creek on US 6/US 19
Open to traffic

Main Street Bridge (Warren County, Indiana)
Built 1886, replaced in 1924
Lost Through truss bridge over Wabash River on Main Street at Attica
Replaced by a new bridge with spans being relocated to various locations in Fountain County.

Main Street Bridge (Clay County, Iowa)
(Main design: Pennsylvania through truss)
Built 1889, span added 1901, Replaced 1915
Lost Pennsylvania through truss bridge over Little Sioux River on Main Street (Now Renamed)
Replaced by a new bridge

Main Street Bridge (Wright County, Iowa)
Replaced 1977
Lost Pratt through truss bridge over Iowa River on Main Street
Replaced by a new bridge

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 (Sioux County, Iowa)
Lost Pratt through truss bridge over Rock River on Main Street
Replaced at some point with a concrete slab.

Main Street Bridge (Mercer County, Pennsylvania)
Lost Pratt through truss bridge over Wolf Creek on Main St.
Replaced by a new bridge

Main Street Bridge (Fremont County, Iowa)
Built ?; Filled in 1908
Lost Pratt through truss bridge over Willow Creek on Main Street
Filled in

Main Street Bridge (Hancock County, Ohio)
Built 1873; Replaced 1934
Lost Pratt through truss bridge over Blanchard River on Main Street
Replaced by a new bridge

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 (Erie County, New York)
Built 1889; Replaced ?
Lost Pratt through truss bridge over Cattaraugus Creek on Main Street
Replaced by a new bridge

Main Street Bridge (Ocean County, New Jersey)
Lost Pratt pony truss bridge over Toms Riiver? on Main Street
No longer exists

Main Street Bridge (Chautauqua County, New York)
(Main design: Bowstring through truss)
Lost Bowstring through truss bridge over Chautauqua Creek on Main Street
No longer exists

Main Street Bridge (Morris County, New Jersey)
Lost Pratt pony truss bridge over Pequannock on Main St.
No longer exists

Main Street Bridge (1887) (Danville, Virginia)
Built 1887
Lost Pratt through truss bridge over Dan River on Main Street
Destroyed by fire and replaced by a new bridge in 1927

Main Street Bridge (Olcott Beach) (Niagara County, New York)
Built 1878; Replaced 1971
Lost Pratt through truss bridge over 18 Mile Creek on Main Street
Replaced by a new bridge

Main Street Bridge (Old Truss Bridge) (Franklin County, Ohio)
(Main design: Whipple through truss)
Lost Whipple through truss bridge over Scioto River on Main Street
Replaced by a new bridge

Main Street Bridge (Old) (Floyd County, Iowa)
Built ca 1892, Pushed into river during ice jam & relocated downstream 1909
Lost Pratt through truss bridge over Cedar River on Main Street
Destroyed by collision

Main Street Bridge (Old) (Cherokee County, Iowa)
Lost Pratt through truss bridge over Little Sioux River on Main Street
Destroyed by flooding

Main Street Bridge (Old) (Winnebago County, Wisconsin)
Removed 1966
Lost Pratt through truss bridge over Fox River on Main Street / Electric Interurban Cars WI 45
Replaced by a new bridge

Main Street Bridge (Old) (Emery County, Utah)
Built ca. 1926; Replaced 1976
Lost Pratt through truss bridge over Cottonwood Creek on Main Street
Replaced by new bridge

Main Street Bridge (Older) (Buchanan County, Iowa)
Build 1892, Replaced 1917
Pratt through truss bridge over Wapsipinicon River on 1st Street/Main Street
Replaced by a new bridge

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

Main Street Bridge (Older) (Franklin County, Kansas)
Built 1885; Destroyed 1926
Lost Pratt through truss bridge over Marais des Cygnes River on Main Street
Destroyed by flooding

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 (Oldest) (Lyon County, Iowa)
Built 1900; Replaced 1922
Lost Pratt through truss bridge over Rock River on Main Street
Replaced by a new bridge

Main Street Califon Bridge (Hunterdon County, New Jersey)
Built 1887; altered 1985; rehabilitated 1987
Pratt through truss bridge over South Branch Raritan River on County Route 512
Open to traffic

Main Street Overpass (Ripley County, Indiana)
Built 1906
Lost Pratt through truss bridge over Penn-Central Railroad on Main Street (SR 229)
Road level crossing built on a new alignment and old bridge removed.

Main Street Swing Bridge (Olcott Beach) (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 Triple Bridge (Cerro Gordo County, Iowa)
Built 1897; Replaced ca. 1908
Lost Pratt through truss bridge over Willow Creek on Main Street and Mason City & Clear Lake Railway
Replaced by a new bridge

Main Street Viaduct (Stark County, Ohio)
Built 1906 replacing a bridge built in 1894; Replaced 1976
Lost Pratt through truss bridge over Penn Central RR on Main Street
Replaced by a new bridge

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-Sand Creek Bridge (Old) (Harvey County, Kansas)
Lost Pratt through truss bridge over Sand Creek 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)
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

Mallory Township Bridge (Clayton County, Iowa)
Built ca. 1890
Pratt pony truss bridge over unnamed stream on Kale Avenue
Replaced by a new bridge

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 ca. 1930
Pratt through truss bridge over Manard Bayou on Donkey Lane south of Fort Gibson
Bypassed by a new bridge but left in place

Manasquan River Bridge (Monmouth County, New Jersey)
Built 1899; rehabilitated 1991
Pratt through truss bridge over Manasquan River on Preventorium Road
Open to traffic

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

Manchester Street Bridge (Merrimack County, New Hampshire)
Built 1933; replaced 1998
Lost Pratt through truss bridge over Merrimack River on Manchester Street
Replaced by new bridge

Mancos River Bridge (Montezuma County, Colorado)
Pratt pony truss bridge over Mancos River on a driveway
Open to traffic

Manitowoc Rapids Truss Bridge (Manitowoc County, Wisconsin)
Built 1887 by Wisconsin Bridge & Iron Co.
Through truss bridge over Manitowoc River on foot/bicycle trail
Open to pedestrians

Manley Creek Bridge (Marshall County, Kansas)
Built ca. 1910
Pony truss bridge over Manley Creek, 3.0 mi. south and 3.5 mi. east of Summerfield
Open to traffic

Manning Street - North Fork Licking River Bridge (Licking County, Ohio)
Damaged by flooding in January 1959; repaired & reopened; replaced in 1962
Lost Pratt through truss bridge over North Fork Licking River on Manning Street
Replaced by a new bridge

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

Mansfield Cemetery Bridge (Piatt County, Illinois)
Built 1897; replaced 1979
Lost Pratt through truss bridge over Madden Creek on TR 150 (CR 1300 E)
Replaced by new bridge

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

Mantua Creek Bridge (Gloucester County, New Jersey)
Lost Pratt pony truss bridge over Mantua Creek on 44?
No longer exists

Manville Bridge (Jefferson County, Indiana)
Built ca. 1890's
Lost Pratt through truss bridge over Indian-Kentuck Creek on China-Manville Road
Replaced by a new bridge

Maple Highlands Trail Covered Bridge 35-28-04 (Geauga County, Ohio)
Built 2013
Pratt through truss bridge over East Branch of Cuyahoga River on Maple Highlands Rail-Trail


Maple Hill Bridge (Shawnee County, Kansas)
(Main design: Parker through truss)
Built ca. 1890's; replaced in 1975
Lost Parker through truss bridge over Kansas River on Maple Hill Road
Replaced by a new bridge

Maple Mill Bridge (Washington County, Iowa)
Built 1896
Lost through truss bridge over English River on Fir Avenue
Destroyed by flooding as of 3/10/2016

Maple River Bridge (Woodbury County, Iowa)
Lost Pratt through truss bridge over Maple River on Road
Replaced by a new bridge

Maple Road Bridge (Minnehaha County, South Dakota)
Through truss bridge over Big Sioux River on former Maple Road in Sioux Falls
Open to pedestrians only