There are 8,071 bridges in this category · Only showing 5,999 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.


Miller Bridge (Madison County, Iowa)
Built 1884
Pony truss bridge over a drainage ditch on McBride Trl
Open to pedestrians

Miller Bridge (Butler County, Missouri)
Built 1902 by the Interstate Bridge Co.; replaced 1998
Lost through truss bridge over Cane Creek on CR 448 west of Poplar Bluff
Replaced by a concrete span

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

Millersville Bridge (Cape Girardeau County, Missouri)
Built 1923; rehabilitated 1975; replaced Fall 2009
Lost two-span through truss bridge over Whitewater River on MO 72 at Millersville
No longer exists

Millport Route M Bridge (Knox County, Missouri)
Built 1954 to replace the collapsed Millport Covered Bridge; replaced 2012
Lost pony truss on Route M near Millport over Middle Fork Fabius River
Replaced by a new bridge

Mills Mills Road Bridge (Allegany County, New York)
Lost Pratt through truss bridge on Mills Mills Road
Replaced by a new bridge

MILW - Adel Bridge (Old) (Dallas County, Iowa)
Built ?; Replaced 1943 with a pair of relocated spans
Lost Pratt through truss bridge over North Raccoon River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Replaced by a new bridge

MILW - Cedar River Bridge (Mower County, Minnesota)
Built 1886, Relocated Here 1911; To become a trail
Abandoned pratt through truss bridge over Cedar River on abandoned Milwaukee Road railroad
Abandoned

MILW - Cedar River Bridge #1 (King County, Washington)
Built 1907-1909
Through truss bridge over Cedar River on Private Road
Open to Seattle Public Utilities only

MILW - Cheyenne River Bridge (Pennington County, South Dakota)
Built 1907
Pratt through truss bridge over Cheyenne River on Former CMStP&P Railroad
Intact but closed to all traffic

MILW - Clark Fork River Bridge (Mineral County, Montana)
Abandoned warren deck truss bridge over Clark Fork River on Milwaukee Road
Abandoned

MILW - Granger High Bridge (Dallas County, Iowa)
Built 1881, Trestle work done 1893, Removed 1944
Pratt deck truss bridge over Des Moines River on Railroad (MILW)
Removed

MILW - Indian Creek Bridge (Old) (Linn County, Iowa)
Lost Pratt deck truss bridge over Indian Creek on Chicago, Milwaukee, St. Paul & Pacific Railroad
Replaced by a new bridge

MILW - Maple River Bridge (Blue Earth County, Minnesota)
Built 1897, Relocated Here in 1910
Abandoned pratt through truss bridge over Maple River on Abandoned Milwaukee Road Railroad
Derelict/abandoned, possibly on private property

MILW - Mendota Swing Bridge (Hennepin County, Minnesota)
(Main design: Warren through truss)
Built 1900, Removed 1957
Lost Warren through truss bridge over Minnesota River on Former Milwaukee Road
Removed but not replaced

MILW - Millrace Bridge (Wapello County, Iowa)
Lost Pratt through truss bridge over Millrace on Railroad (CB&Q)
Removed

MILW - North Skunk River Bridge (Keokuk County, Iowa)
Line abandoned 1979, bridge removed shortly thereafter
Lost Pratt through truss bridge over North Skunk River on former Milwaukee Road
Demolished

MILW - Rock River Bridge (Old) (Ogle County, Illinois)
Built 1897, Replaced 1910
Lost Pratt through truss bridge over Rock River on Former Chicago, Milwaukee St. Paul & Pacific Railway
Replaced by a new bridge

MILW - Sabula Bridge (Old) (Jackson County, Iowa)
Built 1881; Replaced 1906
Lost Pratt through truss bridge over Mississippi River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Replaced by a new bridge

MILW - Skunk River Bridge (Old) (Story County, Iowa)
Built 1907, Replaced 1912
Lost Pony truss bridge over South Skunk River on Railroad (MILW)
Replaced by a new bridge

MILW - Upper Iowa River Bridge (Old) (Allamakee County, Iowa)
Lost Pratt through truss bridge over Upper Iowa River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Replaced by a new bridge

Milwaukee Avenue Viaduct (Old) (Cook County, Illinois)
(Main design: Through truss)
Built 1873; replaced 1914
Lost Through truss bridge over Chicago, Milwaukee & St. Paul Railroad on Milwaukee Avenue
Replaced by a new bridge

Mine Road Bridge (Mercer County, New Jersey)
Built 1885; rehabilitated 1976
Through truss bridge over Stony Brook on Mine Road
Open to traffic

Mineola Bridge (Montgomery County, Missouri)
Probably replaced 1925 by a new truss bridge (also since replaced) on US 40
Lost through truss bridge over Loutre River at Mineola
Replaced by new bridge

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

Mineral Creek Bridge (Allamakee County, Iowa)
Built 1915
Pony truss bridge over Mineral Creek on Mineral Creek Drive
Open to traffic

Mineral Springs Rd.-PA RR Underpass (Wayne County, Indiana)
Built ca. 1910
Lost Pratt deck truss bridge over Pennsylvania Railroad on Mineral Springs Road
Removed and filled to street level

Minerva Creek Bridge (Marshall County, Iowa)
Built ca. 1920
Through truss bridge over Minerva Creek on Jessup Avenue
Open to traffic

Mint Boulevard Crow Creek Bridge (Old) (Jefferson County, Iowa)
Replaced/bypassed 1975
Abandoned Pratt pony truss bridge over Crow Creek on Mint Boulevard
Derelict/abandoned

Miscauno Island Bridge (E) (Marinette County, Wisconsin)
Built 1905
Pratt through truss bridge over Menominee River on Miscauno Island Lane
Open to traffic

Miscauno Island Bridge (Middle) (Marinette County, Wisconsin)
Built 1905
Pratt through truss bridge over Menominee River on Miscauno Island Lane
Open to traffic

Miscauno Island Bridge (W) (Marinette County, Wisconsin)
Built 1905
Pratt through truss bridge over Menominee River on Miscauno Island Lane
Open to traffic

Mission Creek Bridge (Brown County, Kansas)
Built 1905
Lost Bedstead pony truss bridge over Mission Creek in Horton
Lost

Mission Creek Bridge (Wabaunsee County, Kansas)
Built ca. 1920
Bypassed pony truss bridge over Mission Creek, 7.0 mi. east and 6.5 mi. north of Eskridge
Open to pedestrians only

Mission Creek Bridge (Osage County, Oklahoma)
Built 1928
Through truss bridge over Mission Creek on D0079
Open to traffic

Mission Creek-Carlson Rd. Bridge (Shawnee County, Kansas)
Built ca. 1910; Replaced 2015
Through truss bridge over Mission Creek on Carlson Road
Replaced by a new bridge

Missisquoi Valley Rail Trail - Berkshire Bridge (Franklin County, Vermont)
Built 1900 by American Bridge Co.; Inactive 1984-1988; Abandoned 1992; Converted to rail-trail use in 1994
Pin connected Pratt through truss bridge over Missisquoi River on Missisquoi Valley Rail Trail
Open to pedestrians only

Missisquoi Valley Rail Trail - Sheldon Junction Bridge (Franklin County, Vermont)
Built 1900 by American Bridge Co.; One span destroyed 1984; Re-purposed for rail trail use in 1994
Pin connected Pratt through truss bridge over Missisquoi River on Missisquoi Valley Rail Trail
Open to pedestrians only

Mississinewa River Bridge (Delaware County, Indiana)
Built 1900 by the Indiana Bridge Company; replaced in 1993
Lost through truss bridge over Mississinewa River on CR 375 W
Replaced by new bridge

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
Intact but closed to all traffic

Mississippi County Road 308 Bridge (Mississippi County, Missouri)
Built ca. 1915 by the Vincennes Bridge Co.
Lost pony truss bridge over Glory Bayou on CR 308
No longer exists

Missouri Street Bridge (Washington County, Missouri)
Reconstructed 1968
Pony truss bridge over Breton Creek on Missouri Street in Potosi, just south of the courthouse
Open to traffic on a dead-end street

Mistaken Creek Bridge (Grayson County, Kentucky)
Built ca. 1920
Lost Bedstead pony truss bridge over Mistaken Creek on Yeaman-Olaton Road
Replaced by a new bridge

Mitchell Creek Bridge (Frontier County, Nebraska)
Built 1905
Pony truss bridge over Mitchell Creek on Lake Road (Road 734), 4.5 mi. south and 7.2 mi. east of Stockville
Open to traffic

Mitchell Road Bridge (Buchanan County, Missouri)
Built 1922; replaced 2005
Lost through truss bridge over the 102 River on Mitchell Road east of St. Joseph
No longer exists

Mize Bridge (Haralson County, Georgia)
Built 1897, abandoned in 1982 when new bridge just to the south was built
Abandoned Pratt through truss bridge over Tallapoosa River on old alignment of Poplar Springs Road
Abandoned

MKT - Chocktaw Creek Bridge (Grayson County, Texas)
Abandoned pratt through truss bridge over Cocktaw Creek on Railroad
Derelict/abandoned

MKT - Iron Ore Creek Bridge (Grayson County, Texas)
Abandoned pratt through truss bridge over Iron Ore Creek on Railroad
Derelict/abandoned

MKT Nature & Fitness Trail - Hinkson Creek Bridge (Boone County, Missouri)
Built 1899
Pratt pony truss bridge over Hinkson Creek on MKT Nature & Fitness Trail
Open to pedestrians only

MMRR - Grand River Bridge (Kent County, Michigan)
Built 1904
Pratt through truss bridge over Grand River on Mid-Michigan RR (formerly Pere Marquette RR)
Open to traffic

MNA - White River Bridge (Cotter) (Baxter County, Arkansas)
Built 1905 for the St. Louis, Iron Mountain, and Southern Railway. Swing system only operated one time as a post-construction test.
Through truss swing railroad bridge over White River on the M&NA Railroad at Cotter
Open to railroad traffic

MNBR - Naheola Bridge (Choctaw County, Alabama)
Built 1934 by the Virginia Bridge & Iron Co.; Road surface removed and bridge closed to automobiles in 2000, Open to railroad traffic
Vertical lift bridge over Tombigbee River
Open to rail traffic

MNCW - Main/Washington Street Overpass (Fairfield County, Connecticut)
Built in 1895 by the Berlin Iron Bridge Company
Pratt through truss bridge with vertical endposts and a 45 skew
Exists in Street view

MO & G Neosho River Bridge (Ottawa County, Oklahoma)
Built by the Missouri, Oklahoma & Gulf Railway, now abandoned with track removed but superstructure remains
Abandoned through truss bridge over Neosho River on Missouri, Oklahoma & Gulf (later KOG) Railway
Abandoned

MO 8 Dry Fork Truss (Phelps County, Missouri)
Built c1900
Lost Pratt through truss bridge over Dry Fork Creek on MO 8 and MO 68
Replaced by a new bridge

Mock Bridge (Schuyler County, Missouri)
Built 1904
Through truss bridge over Chariton River on Scenic Drive (CR 2)
Converted to a pedestrian bridge

Moeller road Bridge (Wichita County, Texas)
Abandoned pratt pony truss bridge over China Creek on Moeller Rd
Abandoned

Moffett Mill Bridge (Beaver County, Pennsylvania)
Built 1929
Lost through truss bridge over Raccoon Creek on Moffet Mill Road
Replaced by a new bridge

Mohican Police Firing Range Bridge (Ashland County, Ohio)
Built ca.1880
Half-hip Pratt pony truss bridge over Horsetail Run on Road
Totally closed, collapse imminent.

Mohican River Bridge (Ashland County, Ohio)
Abandoned pratt pony truss bridge over Mohican River on an old alignment of OH 95
Derelict/abandoned

Mohican Trail - Clear Fork Mohican River Bridge (Richland County, Ohio)
Pratt through truss bridge over Clear Fork Mohican River on Mohican Trail
Open to traffic

Mojave River Bridge (San Bernardino County, California)
Built ca. 1888; Converted to road ca. 1907; Replaced 1941 and relocated to Central America
Pratt through truss bridge over Mojave River on Dagget-Yermo Road
Replaced by a new bridge, relocated to Central America

Mokelumne River South Fork Bridge (San Joaquin County, California)
Replaced 1958
Lost Pratt through truss bridge over South Fork Mokelumne River on Walnut Grove Road
No longer exists

Mollies Rock Road Bridge (Muskingum County, Ohio)
Built 1914 by C.W. Lane; probably replaced 1981
Lost through truss bridge over Symmes Creek on Nollies Rock Road (CR 40)
Open to traffic

Molly's Landing Bridge #1 (Section of Old US 66 Bird Creek Bridge [Westbound Lane]) (Rogers County, Oklahoma)
Built 1936 on Route 66 over Bird Creek, relocated to present location 2011
Pratt through truss bridge on the driveway entrance to Molly's Landing Restaurant
Open to traffic

Molly's Landing Bridge #2 (Section of Old US 66 Bird Creek Bridge [Westbound Lane]) (Rogers County, Oklahoma)
Built 1936 on Route 66 over Bird Creek, relocated to present location 2011
Pratt pony truss bridge on driveway to Molly's Landing Restaurant
Open to traffic

Mollys Run Bridge (Jefferson County, Indiana)
Built 1905
Pony truss bridge over Mollys Run on Brooksburg Manville Road (CR 260N)
Removed and replaced

Monegaw Creek NW 1001 Bridge (St. Clair County, Missouri)
Built ca. 1910 by the Standard Bridge Co.
Pony truss bridge over Monegaw Creek on CR NW 1001
Open to traffic

Monett Business US 60 Bridge (Barry County, Missouri)
Built 1935; replaced 2017
Lost through truss bridge over BNSF RR on Business US 60 east of Monett
Replaced by a new bridge

Money Creek Bridge (McLean County, Illinois)
Built 1891 by the King Bridge Company
Lost Bedstead Pratt pony truss bridge over Money Creek on Old Cr 2500 East
Removed but not replaced

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 1915-16 by the Kansas City Bridge Co.; made obsolete by a new bridge on MO 179 in 1967
Through truss bridge over Moniteau Creek on Moniteau Creek Road (Old MO 179)
Closed

Monitor Road Bridge (Hall County, Nebraska)
Built ca. 1935
Pony truss bridge over Prairie Creek on Monitor Road
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

Monocacy River Bridge (Frederick County, Maryland)
Built 1932
Through truss bridge over Monocacy River on MD 77
Open to traffic

Monon - Tippecanoe River Bridge (White County, Indiana)
Built ca. 1895, demolished ca. 1986
Lost Deck truss bridge over Tippecanoe River and access roads on former Monon Railroad in Monticello
Lost

Monon - Wabash River Bridge (Delphi, Old) (Carroll County, Indiana)
Built 1897, replaced in 1949
Lost Through truss bridge over Wabash River on former Monon Railroad in Delphi
Replaced by a new bridge

Monon Trail - Fall Creek Bridge (Marion County, Indiana)
(Main design: Double-intersection Warren through truss)
Through truss bridge over Fall Creek on Monon Trail (former Monon Railroad) in Indianapolis
Open to pedestrians

Monroe Bridge (Lincoln County, Missouri)
Lost through truss bridge over West Fork Cuivre River on Fairview Church Road northeast of Truxton
Replaced by a new bridge

Monroe Road Bridge (Clinton County, Michigan)
Built 1894; replaced in 2001 and dismantled for reuse
Dismantled through truss bridge over Looking Glass River on Monroe Road
Replaced by a new bridge and dismantled for reuse

Monroe Street Bridge (Cook County, Illinois)
Built 1919
Bascule bridge over South Branch Chicago River on W. Monroe Street in Chicago
Open to traffic

Monroe Street Bridge (Old) (Spokane County, Washington)
Built 1892; Replaced 1911
Lost Pratt deck truss bridge over Spokane River on Monroe Street
Replaced by a new bridge

Monticello Bridge (Wright County, Minnesota)
(Main design: Pennsylvania through truss)
Built 1891; Replaced in 1930
Lost Through truss bridge over Mississippi River on Minnesota Highway 25
Replaced by a new bridge

Montlake Bridge (King County, Washington)
Built 1925; rehabilitated 1999
Bascule bridge over Montlake Cut on WA 513 in Seattle
Open to traffic

Montour Park Road Bridge (Allegheny County, Pennsylvania)
Pratt pony truss bridge over Montour Run on Montour Park Road (abandoned)


Montpelier Fairgrounds Covered Bridge 35-86-26 (Williams County, Ohio)
Built 2004
Pratt through truss bridge over St Joseph River
in Williams County Fairground

Moody Ford Bridge (Barton County, Missouri)
Built 1884 by the Missouri Valley Bridge & Iron Co.; replaced 1998; relocated to private property in Nov. 1999
Through truss bridge formerly over North Fork Spring River on SW 60th Road (CR 432)
Open to traffic on a private lane

Moon Creek Bridge (Custer County, Montana)
Pratt pony truss bridge over Moon Creek on unnamed road
Open to traffic

Moon Road Bridge (Monroe County, Indiana)
Built in 1915; replaced in 1986
Lost Pratt through truss bridge over Bean Blossom Creek on Moon Road
Replaced by new bridge

Moore Bridge (Knox County, Missouri)
Built 1909 by John Moore
Pony truss bridge over North Fork South Fabius River on CR 24
Open to traffic

Moore Ford Bridge (Putnam County, Indiana)
Built 1908; Replaced 2003
Lost pony truss bridge over Little Deer Creek on Devil Backbone Road
Replaced

Moore Road Bridge (Bedford County, Tennessee)
Built 1902; moved 1914, 1952; replaced 1984
Lost Pratt through truss bridge over North Fork Creek on Moore Road
Replaced by new bridge

Moore's Crossing Bridge (Travis County, Texas)
(Main design: Whipple through truss)
Built 1884 at Congress Avenue; Two Spans Moved Here In 1922; Closed to vehicular traffic in 1981
Through truss bridge over Onion Creek on Moores Bridge Rd
Open to pedestrians

Moore's Ford Bridge (Jones County, Iowa)
Built 1884 by Morse Bridge Company, Removed betwixt 2002 aerial imagery and the 2004 aerial imagery
Lost Pratt through truss bridge over White Water Creek on 25th Avenue
Demolished - Removed but not replaced

Moores Creek Bridge (Chambers County, Alabama)
Built 1910
Pratt through truss bridge over Moores Creek on 19th Avenue in Valley
Closed

Moots Creek Bridge (White County, Indiana)
Built ca.1925 on a state highway; moved to this location in 1963 and replaced in 2003.
Lost through truss bridge over Moots Creek on CR 100 East
No longer exits

MoPac - Black River Bridge (Old) (Independence County, Arkansas)
Pratt through truss bridge over Black River on Missouri Pacific Railroad


MoPac - Kaskaskia River Bridge (Randolph County, Illinois)
Built 1903; Destroyed 1970
Pratt through truss swing bridge over Kaskaskia River on Missouri Pacific Railroad
Destroyed by derailment

MoPac - Ouachita River Bridge (Union County, Arkansas)
Built 1902-3; Removed ca. 1973
Lost Bridge over Ouachita River on Missouri Pacific Railroad
Removed

Mora River Bridge (Mora County, New Mexico)
Built 1914: replaced 1934
Lost Pratt through truss bridge over Mora River on NM-161
Replaced by a new bridge