There are 8,206 bridges in this category · Only showing 6,161 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.


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 - Castor River Diversion Channel Bridge (Cape Girardeau County, Missouri)
Built 1918 by the Bethlehem Steel Bridge Corp.
Through truss railroad bridge over the Diversion Channel between Allenville and Delta on the Missouri Pacific Railroad
No longer in use

MoPac - Gage Junction Swing Bridge (Randolph County, Illinois)
Built 1903 ; replaced 1975
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

Morehead Bridge (Jackson County, Iowa)
Built or relocated 1982
Through truss bridge over South Fork Maquoketa River on 74th Street
Open to traffic

Morgan Bridge (Madison County, Iowa)
Built 1891 by local contractor using King Iron Bridge Co. superstructure; originally carried local road over Branch of Clanton Creek
Pratt pony truss bridge
Open to pedestrians only

Morgan County Bridge #201 (Morgan County, Indiana)
(Main design: Pratt through truss)
Built 1893; Replaced in 1990
Lost Pratt through truss bridge over White Lick Creek
Replaced by a new bridge

Morgan Ford Bridge (Henry County, Virginia)
Constructed 1953 from parts from older bridges. The center Pratt through truss span was built in 1887.
Through truss bridge over Smith River on Morgan Ford Rd (Route 622) in Sandy Level
Open to traffic

Morgan Road Bridge (Allen County, Indiana)
Built ca. 1895
Lost Pratt pony truss bridge over Flatrock Creek on Morgan Road-South
Replaced by a new bridge

Morganville Bridge (Clay County, Kansas)
Built 1927
Lost through truss bridge over Republican River, 0.5 mi. south and 1.3 mi. west of Morganville
Lost

Morrison Street Bridge (1st) (Multnomah County, Oregon)
Built 1888; Replaced 1905
Lost Pratt through truss bridge over Willamette river on Morrison street
Replaced by a new bridge

Morse Mill Bridge (Jefferson County, Missouri)
Built 1886-87 by the St. Louis Bridge & Iron Co.
Through truss bridge over Big River at Morse Mill
Open to pedestrians only

Morseville Bridge (Saginaw County, Michigan)
Built in 1885 by the Smith Bridge Company; bypassed in 2006
Pratt through truss bridge over Flint River on Burt Road (Old alignment)
Bypassed by a new bridge on a different alignment and abandoned

Morton Bridge (Ray County, Missouri)
Built 1889 by the Wrought Iron Bridge Co.
Through truss bridge over Crooked River on Landing Road
Open to traffic with 3 Ton Weight Limit

Moscow Bridge (Muscatine County, Iowa)
Built 1885; Removed 1942
Lost Pratt through truss bridge over Cedar River on River Street
Removed

Moscow Mills Bridge (Lincoln County, Missouri)
Built 1885 by Raymond and Campbell
Abandoned through truss bridge over the Cuivre River at Moscow Mills
Closed to all traffic

MoseMann Bridge (Johnson County, Iowa)
Built 1904; Removed 1959
Lost Pratt through truss bridge over Iowa River on Scales Bend Road
Removed

Moser Road Bridge (Somerset County, Pennsylvania)
Built 1900
Pinned Pratt Thru Truss bridge over Casselman River on TR 353 (Moser Road)
Open to traffic

Mosquito Creek Bridge (Nemaha County, Kansas)
Built pre 1900.
Pratt pony truss bridge over an Mosquito Creek, 1.0 mi. south and 1.0 mi. west of Wetmore
Derelict/abandoned

Mosquito Creek Bridge (Dallas County, Iowa)
Built ca. 1880; closed 2009
Through truss bridge over Mosquito Creek on 255th Street
Intact but closed to all traffic

Moss Creek CR 508 Bridge (Carroll County, Missouri)
Built 1913
Pony truss bridge over Moss Creek on CR 508
Intact but closed to all traffic

Mossdale Swing Bridge (San Joaquin County, California)
Built 1917; Replaced 1926
Lost Pratt through truss bridge over San Joaquin River on Road
Replaced by a new bridge

Mother Neff Leon River Bridge (Coryell County, Texas)
Abandoned pratt through truss bridge over Leon River near old road alignment
Derelict/abandoned

Motley Slough Bridge (Lowndes County, Mississippi)
Built or relocated here 1925
Pony truss bridge over Slough Creek on Schaffer Chapel Road
Open to traffic

Motor Mill Bridge (1899) (Clayton County, Iowa)
Built 1899, One span destroyed by flooding in 1991, the other in 2008. Replica spans installed in late 2012
Pratt through truss bridge over Turkey River on Galaxy Road
Destroyed by flooding in 2008; replica spans now in place and open to traffic

Mott Street Bridge (Pike County, Pennsylvania)
Built 1902 by Penn Bridge Co.
Through truss bridge over Sawkill Creek on TR 426 in Milford
Closed to all traffic

Motts Road Bridge (Harrison County, Indiana)
Built ca. 1900
Lost Pratt through truss bridge over Indian Creek on Motts Road
Replaced by a new bridge

Mound Creek CR 420 Bridge (Livingston County, Missouri)
Built ca. 1930
Pony truss bridge over Mound Creek on CR 420
Open to traffic

Mound Road Bridge (Shelby County, Indiana)
Built in 1910 by the Lafayette Engineering Company
Pratt through truss bridge over Flatrock River on Mound Road
Intact but closed to all traffic

Mount Jackson Road Bridge (Lawrence County, Pennsylvania)
Built 1924; replaced 2001
Lost Pratt through truss bridge over Mahoning River on Mount Jackson Road (PA 108)
Replaced by a new bridge

Mount Meridian Bridge (Augusta County, Virginia)
Built 1907 by the Champion Bridge Co.; Closed to all traffic in 1997
Three-span through truss bridge over Middle River on former Route 769
Closed to all traffic

Mount Moriah Road Bridge (Cooper County, Missouri)
Built 1913 by Kansas City Bridge Co.; replaced 2003-04
Lost through truss bridge over Lamine River on Mount Moriah Road near Clifton City
Replaced by a modern concrete bridge

Mount Sterling Bridge (Van Buren County, Iowa)
Lost Pratt through truss bridge over Fox River on Road
Replaced by a new bridge

Mountain Fork River CR 38 Bridge (Polk County, Arkansas)
Built 1905
Two-span pony truss bridge over Mountain Fork River on CR 38 near Potter
Open to one lane traffic

Mountain Glen Bridge (Union County, Illinois)
Lost pony truss bridge over a branch of Clear Creek near Mountain Glen
Replaced by a new bridge

Mountain Road Bridge (Sussex County, New Jersey)
Built 1893
Through truss bridge over Flat Brook on Mountain Road
Open to traffic

Mountville Road Bridge (Lawrence County, Pennsylvania)
Built 1940
Through truss bridge over Slippery Rock Creek on Mountville Road
Open to traffic

Mourey Ditch Bridge (Allen County, Indiana)
Built ca. 1895
Lost Half-hip Pratt pony truss bridge over Mourey Ditch on Moore Road
Replaced by a new bridge

MPLI - Minnesota River Bridge (Redwood County, Minnesota)
Built 1896
Pratt through truss bridge over Minnesota River on Twin Cities and Western Railroad
Open to traffic

MRL - Bitterroot River Bridge (Missoula County, Montana)
Built 1929
Pratt through truss bridge over Bitterroot River on Montana Rail Link
Open to traffic

MRL - Clark Fork River Bridge No. 1 (Sanders County, Montana)
Built 1908
Through truss bridge over Clark Fork River on MRL
Open to traffic

MRL - Clark Fork River Bridge No. 2 (Sanders County, Montana)
Built 1908
Through truss bridge over Clark Fork River on Montana RailLink
Open to traffic

MRL - Clark Fork River Bridge No. 3 (Sanders County, Montana)
Built 1908, Reinforced date unknown
Bridge over Clark Fork River on Montana RailLink


MRL - Clark Fork River Bridge No. 4 (Sanders County, Montana)
Built 1908
Pratt deck truss bridge over Clark Fork River on Montana RailLink
Open to traffic

MRL - Clark Fork River Bridge No. 5 (Missoula County, Montana)
Pratt through truss bridge over Clark Fork River on Railroad
Open to traffic

MRL - Flathead River Bridge (Sanders County, Montana)
Built 1896, Reinforced 1945
Through truss bridge over Flathead River on Montana RailLink


MRL - Madison River Bridge (Gallatin County, Montana)
Pratt through truss bridge over Madison River on Montana RailLink


MRL - Yellowstone River Bridge (Yellowstone County, Montana)
Built 1881
Pratt through truss bridge over Yellowstone River on Montana Rail Link
Open to traffic

MS 18 Bayou Pierre Bridge (Copiah County, Mississippi)
Built ca. 1940
Through truss bridge over Bayou Pierre on MS 18
Open to traffic

MSCI - Tallahatchie River Bridge (Lafayette County, Mississippi)
Built 1908 by the American Bridge Co.
Pratt through truss bridge over Tallahatchie River on Mississippi Central Railroad
Open to traffic

Mt Murphy Road Bridge (El Dorado County, California)
Through girder bridge built 1915, 2 center spans destroyed by flooding and truss installed 1931
Through truss bridge over South Fork American River on Mt Murphy Road
Open to traffic

Mt. Auburn Bridge (Benton County, Iowa)
Lost Pratt through truss bridge over Cedar River on Road
Replaced by a new bridge

Mt. Joy Road Bridge (Hunterdon County, New Jersey)
Built 1900; rehabilitated 1981
Through truss bridge over Musconetcong River on Mt. Joy Road
Open to traffic

Mt. Lawn Bridge (Henry County, Indiana)
Unknown, but definately moved here from another location
Pratt pony truss bridge over Duck Creek on road to pit lane at Mt. Lawn speedway
Open to traffic

Mt. Vernon Fourth Creek Bridge (Rowan County, North Carolina)
Built 1916 by the Virginia Bridge & Iron Company of Roanoke, VA. Replaced with new bridge in 1981.
Lost Pratt through truss bridge over Fourth Creek on SR 1003
Replaced by a new bridge

Mt. Zion Road Bridge (Fairfield County, Ohio)
Built 1918; rehabilitated 1986
Pony truss bridge over Hocking River on Mt. Zion Road NW (TR 183)
Open to traffic, but prone to flooding from the nearby Rock Mill Lake embayment

Mud Creek Bridge (Livingston County, Illinois)
Built 1901
Pony truss bridge over Mud Creek on TR 52A
Open to traffic

Mud Creek Bridge (Tipton County, Indiana)
Built ca. 1920; replaced 1991
Lost pony truss bridge over Mud Creek on CR 50 E
Replaced by new bridge

Mud Creek Bridge (Sherman County, Nebraska)
Built 1925
Pony truss bridge over Mud Creek on a county road, .5 mi. south of Hazard
Open to traffic

Mud Creek Bridge CR 900 S (Hendricks County, Indiana)
Built ca. 1900; Replaced 1986
Lost Pratt through truss bridge over Mud Creek on CR 900 S
Replaced by a new bridge

Mud Creek CR 1000W Bridge (Jay County, Indiana)
Built 1895
Lost Pratt pony truss bridge over Mud Creek on County Road 1000 West
No longer exists

Mud Creek CR 1159 Bridge (Monroe County, Missouri)
Built 1930; later moved here
Pony truss bridge over Mud Creek on CR 1159
Open to traffic

Mud Creek CR 200E Bridge (Tipton County, Indiana)
Replaced 1998
Lost pony truss bridge over Mud Creek on CR 200 E
Replaced by new bridge

Mud Creek CR 500 East Bridge (Boone County, Indiana)
Built ca. 1900
Lost Pratt Bedstead pony truss bridge over Mud Creek on County Road 500 East
Replaced by a new bridge

Mud Creek CR 750S Bridge (Clinton County, Indiana)
Lost pony truss bridge over Mud Creek on CR 750 S
Replaced by new bridge

Mud Creek CR 850N Bridge (Boone County, Indiana)
Built ca. 1915
Lost Pratt pony truss bridge over Mud Run Branch of Sugar Creek on County Road 850 North
Replaced by a new bridge

Mud Creek CR 875S Bridge (Randolph County, Indiana)
Built in 1902 by the Indiana Bridge Company; replaced in 1989
Lost Pratt pony truss bridge over Mud Creek on County Road 875 South
Replaced by a new bridge

Mud Pine Creek Bridge CR 850 N (Warren County, Indiana)
Built ca. 1910; Replaced 1990
Lost Pratt pony truss bridge over Mud Pine Creek on CR 850 N
Replaced by a new bridge

Mud River Bridge (Lincoln County, West Virginia)
Built 1917; rehabilitated 1980
Through truss bridge over Mud River on CR 7
Closed to Traffic

Muddy Boggy Creek Bridge (Choctaw County, Oklahoma)
Built 1919
Through truss bridge over Muddy Boggy Creek on E2010 Rd.
Open to traffic

Muddy Creek Bridge (Crawford County, Pennsylvania)
Built ca. 1900
Pony truss bridge over Muddy Creek on TR 743
Open to traffic

Muddy Creek Bridge (Crawford County, Pennsylvania)
Built 1895; rehabilitated 1996
Pony truss bridge over Muddy Creek on TR 776
Removed but not replaced

Muddy Creek Bridge (Richardson County, Nebraska)
Abandoned pratt through truss bridge over Muddy Creek on an abandoned section of 713 Rd
Derelict/abandoned

Muddy Creek Bridge (Furnas County, Nebraska)
Built 1930; rehabilitated 1974
Pony truss bridge over Muddy Creek on CR 422, 2 mi. west of Arapahoe
Open to traffic

Muddy Creek Bridge (Auglaize County, Ohio)
Built ca.1900
Pratt pony truss bridge over Muddy Creek on Private driveway
Appears open but a new girder span has been built to the South of it.

Muddy Creek Old US 65 Bridge (Pettis County, Missouri)
Built 1924 by contractor M.E. Gillioz
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 Creek Bridge (Bates County, Missouri)
Built 1886 by the Missouri Valley Bridge & Iron Co.; later relocated here
Pony truss bridge over Mulberry Creek on 1002 Road, southeast of Amoret
Damaged irreparably by flood, replaced with concrete structure.

Mulberry Creek Bridge (Fayette County, Texas)
Built 1888 by A.J. Tullock and Company; Replacement bridge built in 2001 and 1888 bridge relocated to a park in Schulenburg
Relocated Bedstead pony truss bridge. Formerly Hermis Road (CR 424) over Mulberry Creek
Relocated from Hermis Road (CR 424) to a park in Schulenburg and open to pedestrians.

Mulberry Creek Bridge (Ford County, Kansas)
Built 1906; rehabilitated 1958
Through truss bridge over Mulberry Creek, 2.6 mi. south and 3.0 mi. west of Ford
Open to traffic

Mulberry Jefferson Road Bridge (Clinton County, Indiana)
Built 1895; replaced 1994
Lost through truss bridge over South Fork Wildcat Creek on Mulberry Jefferson Road at 280N-760W
Replaced by new bridge

Mull Bridge (Shelby County, Indiana)
Built ca.1890
Through truss bridge over Little Blue River on CR 800 East
Intact but closed to all traffic

Mumma Ford Road Bridge (Carroll County, Maryland)
Built 1911; rehabilitated 1988 and summer 2011
Through truss bridge over Monocacy River on Mumma Ford Road
Open to traffic

Munfordville Bridge (Hart County, Kentucky)
(Main design: Parker through truss)
Toll bridge on the Louisville and Nashville Turnpike replacing Amos Ferry at Big Buffalo Crossing
Lost Parker through truss bridge over Green River on L&N Turnpike/Dixie Highway
Lost

Munger Bridge (Madison County, Iowa)
Lost Pratt through truss bridge over Middler River on Road
Replaced by a new bridge

Munger Street Bridge (Marion County, Missouri)
Built ca. 1910
Pony truss bridge over Bear Creek on Munger Street in Hannibal
Open to pedestrians only

MUR - Kalamazoo River Trestle (Calhoun County, Michigan)
LIne built 1903, Tracks removed 1930, Trestle removed February 10, 1941
Lost Pratt through truss bridge over Kalamazoo River & Lake Shore & Michigan Southern Railway on Michigan United Railway (Originally Jackson & Battle Creek Traction Co.)
Removed but not replaced

Murphy Drive Bridge (Caldwell County, Missouri)
Built ca. 1930; replaced 2009
Pony truss bridge over Long Creek on S.W. Murphy Drive
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
Open to traffic

Murray Morgan Bridge (Pierce County, Washington)
Opened Feb. 15, 1913; rehabilitated 1957; closed 2007; rehabilitated 2012-3
Vertical lift bridge over Foss Waterway on E. 11th Street in Tacoma
Open to traffic

Murtaugh Bridge (Twin Falls County, Idaho)
Built 1915-16 by Charles H. Mull; replaced 1983
Lost Pratt deck truss bridge over Snake River on FAS 2744
Replaced by new bridge