There are 8,020 bridges in this category · Only showing 5,943 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.


IHRC - Big Bayou Bridge (Gibson County, Indiana)
Built 1915, rehabilitated in 1972
Pratt through truss bridge over Big Bayou River on dirt road, former Illinois Central Railroad
Abandoned

Illinois Prairie Path - Volunteer Bridge (Du Page County, Illinois)
Built 1907 for CA&E RR, railroad abandoned 1959, converted to trail use ca. 1964, approaches rebuilt 2010
Pratt through truss bridge over Union Pacific RR (formerly Chicago & North Western RR) on Illinois Prairie Path (formerly Chicago Aurora & Elgin RR)
Open to pedestrians

Illinois River Bridge (Cherokee County, Oklahoma)
Built circa 1920; Bypassed by new alignment of US 62 and abandoned 1964
Abandoned through truss bridge over Illinois River on Old US 62
Abandoned

Illinois Terminal - Alton Steel Yard Bridge (Madison County, Illinois)
Built 1905, Abandoned 1953
Abandoned Pratt through truss bridge over the rail yard in Alton, south of E. Broadway
Abandoned

Illinois Terminal - East St. Louis Viaduct (St. Clair County, Illinois)
(Main design: Pennsylvania through truss)
Lost Pennsylvania through truss bridge over Railroad on Illinois Terminal System
Removed

Illinois Terminal - Mackinaw River Bridge (Tazewell County, Illinois)
Built ?; Destroyed 1977
Lost Pratt through truss bridge over Mackinaw River on Illinois Terminal Railroad
Destroyed by derailment

Illinois Terminal - Mitchell Viaduct (Madison County, Illinois)
Lost Pratt through truss bridge over Railroad on Alton, Granite & St. Louis Railway
Removed but not replaced

Illinois Traction - McKinley Bridge (Peoria County, Illinois)
(Main design: Deck plate girder)
Built 1907, closed to traffic in 1951
Lost Bascule bridge over Illinois River on Illinois Terminal Railroad in Peoria
No longer exists

Illinois Tractionl/Wabash Overpass (Old) (Piatt County, Illinois)
Built 1907; Replaced 1928/29
Lost Pratt through truss bridge over Wabash Railroad on Illinois Traction System
Replaced by a new bridge

Imboden Bridge (Lawrence County, Arkansas)
(Main design: Parker pony truss)
Built 1937 by C.F. Lytle of Sioux City, Iowa
Pony and deck truss bridge over Spring River and the Frisco Railroad on US 62 at Imboden
Open to two-lane traffic, with a pedestrian sidewalk

Imhoff Road Bridge (Cooper County, Missouri)
(Main design: Parker through truss)
Built 1908 by Kansas City Bridge Co.
Two-span through truss bridge over Lamine River on Imhoff Road
Closed to traffic

IMRR - Sangamon River Bridge (Mason County, Illinois)
Through truss bridge over Sangamon River on Chicago & Illinois Midland Railway SE of Kilbourne
Open to traffic

IN61 South Fork Patoka River Bridge (Pike County, Indiana)
Built 1932; rehabilitated 1984; replaced 2002
Lost through truss bridge over South Fork Patoka River on IN 61
Replaced by new bridge

Independence Bridge (Pike County, Illinois)
Built or relocated here 1962; replaced 2013
Through truss bridge over Honey Creek on Road 900 N (Township Road 359) east of Independence, 4.16 mi. east of Independence
Replaced by a new bridge

Independence Road Bridge (Herkimer County, New York)
Built 1895; rehabilitated 2003
Pratt through truss bridge over North Branch Moose River on snowmobile trail
Open to pedestrians only

Indian Creek Bridge (Greene County, Indiana)
Built 1905
Pony truss bridge over Indian Creek on CR 1360 East
Open to traffic

Indian Creek Bridge (Madison County, Illinois)
replaced a pony plate girder railroad bridge (which was relocated) using the same abuntments
Modern pratt pony truss bridge over Indian Creek on MCT Watershed Trail in South Roxana
Open to pedestrians and bicyclists

Indian Creek Bridge (Bourbon County, Kansas)
Through truss bridge over Indian Creek on Yale Rd.
Closed to all traffic

Indian Creek Bridge (Monroe County, West Virginia)
Built 1891, removed 2010
Lost through truss bridge over Indian Creek on CR 23/8
Replaced by a new bridge

Indian Creek Bridge (Polk County, Iowa)
Built 1916
Through truss bridge over Indian Creek on NE 162nd Avenue
Open to traffic

Indian Creek Bridge (LaSalle County, Illinois)
Pony truss bridge over Indian Creek on Private Drive


Indian Creek CR 416 Bridge (Pike County, Missouri)
Pony truss bridge over Indian Creek on CR 416
Open to traffic

Indian Creek CR 650W Bridge (Montgomery County, Indiana)
Built in 1914 by the Elkhart Bridge & Iron Company; replaced 1992
Lost through truss bridge over Indian Creek on County Road 650 West
Replaced by new bridge

Indian Creek Route EE Bridge (McDonald County, Missouri)
Built 1928
Three-span through truss bridge over Indian Creek on Route EE in Lanagan
Open to two-lane traffic

Indian Ford Bridge (Stoddard County, Missouri)
Formerly a bridge on the Frisco Hoxie Branch railroad built in 1926(?) and later retrofitted for vehicle use when the line was discontinued in 1967
Through truss bridge over St. Francis River between Puxico and Rombauer on Stoddard CR 499
Closed

Indian Ford Bridge (Fulton County, Illinois)
Built ca. 1917; replaced 1984. One of the nine bridges submitted to NRHP in "Metal Highway Bridges of Fulton County Thematic Resources", 1980-10-29
Lost Pratt through truss bridge over Spoon River on County Highway 20
Replaced by new bridge

Indian Grove Road Bridge (Wright County, Missouri)
Built ca. 1920; retrofitted as a steel stringer bridge in 1978
Pony truss bridge over a branch of Gasconade River on Indian Grove Road
Open to traffic

Indian Mill Bridge (Wyandot County, Ohio)
Built 1913 by the Modern Construction Co.
Through truss bridge over Sandusky River on CR 47
Open to traffic

Indian Mill Pony Truss (Wyandot County, Ohio)
Built in 1891 by the Wrought Iron Bridge Co. of Canton, Ohio. Moved here from another location.
Pratt pony truss bridge over dry ditch on foot path
Open to pedestrians

Indiana Railroad - Wildcat Creek Bridge (Howard County, Indiana)
Built to carry former interurban line from Marion, Indiana to Kokomo, Indiana in or about 1905. Abandoned in early 1930's.
Lost Pratt through trus bridge over Wildcat Creek(today Kokomo Reservoir) on formerly Indiana Railroad
Removed

INPR - North Fork Payette River Bridge (Cabarton) (Valley County, Idaho)
Pratt through truss bridge over North Fork Payette River on Idaho Northern & Pacific Railroad
Open to traffic

INRD - Fall Creek Bridge (Marion County, Indiana)
Part of the second oldest rail line in Indiana, this bridge helped connect Indianapolis with Kokomo, Peru, Plymouth, and Michigan City. Today Indiana Transportation Museum uses this line for excursions including the annual Indiana State Fair Train.
Pony truss bridge over Fall Creek on Railroad in Indianapolis
Open to traffic

INRD - Wabash River Bridge (Sullivan County, Indiana)
Built 1910, Through Truss center Swing built for another bridge in Kentucky in 1890, later moved & fabricated to fit this bridge, later Swing span replaced with plate girder with center wheel left in place in 1965
Through truss bridge over Wabash River and two county roads on Indiana Railroad (former Illinois Central Railroad)
Open to traffic

INRD - White River Bridge (Greene County, Indiana)
Built 1898 for the Chicago, Terre Haute and Southeastern Railway, replaced in 2015
Lost Through truss bridge over White River on Indiana Rail Road near Elnora
Replaced by a new bridge

INRD - White River Bridge (Elliston) (Greene County, Indiana)
Built ca. 1906
Deck truss bridge over White River on Indiana Railroad (former Illinois Central Railroad) in Elliston
Open to traffic

Inter-Urban Trail Bridge (Polk County, Iowa)
Built 1905, Abandoned 1982; Converted to trail use 1998, repaired 2012
Pratt through truss bridge over Des Moines River on Interurban Trail
Open to pedestrians

International Footbridge (Webb County, Texas)
Built in the 1880s; Destroyed April 28, 1905
Lost Pratt through truss bridge over Rio Grande on Footpath
Destroyed by flooding

International Railway Co. - 18 Mile Creek Bridge (E) (Niagara County, New York)
Built 1889
Abandoned through truss bridge over 18 Mile Creek
Abandoned

Interstate Canal Bridge (Scotts Bluff County, Nebraska)
Built 1915
Pratt pony truss bridge over Interstate Canal on a bypassed section of Sugar Factory Rd (Co Rd 23)
Open to pedestrians

Ione Bridge (Pend Oreille County, Washington)
Built 1934
Deck truss bridge over Pend Oreille River on Sullivan Lake Road (CR 9345)
Open to traffic

IORY - Turtle Creek Bridge (Warren County, Ohio)
Pratt through truss bridge over Turtle Creek on Lebanon Mason Monroe Railroad
Open to traffic

Iowa River Bridge (Iowa County, Iowa)
Lost Pratt through truss bridge over Iowa River on IA 21 (?)
Replaced by a new bridge

IR - Fox River Bridge (LaSalle County, Illinois)
Pratt deck truss bridge over Fox River on Illinois Railway West of Sheridan
Open to traffic

IR - Illinois River Bridge (Ottawa) (LaSalle County, Illinois)
Built 1898; Lift span added ca. 1932
Through truss bridge over Illinois River on Chicago, Burlington, and Quincy Railroad in Ottawa


IR - Muscatatuck River Bridge (Jackson County, Indiana)
Built 1907; Removed 1941
Lost Pratt through truss bridge over Muscatatuck River on Indiana Railroad
Removed

IR - Rock River Bridge (Winnebago County, Illinois)
Built 1914 and 1918; Converted to Trail Use 2016
Through truss bridge over Rock River on former Illinois Railway
Open to pedestrians only

IR - Vernon Fork Muscatatuck River Bridge (Jackson County, Indiana)
Built 1907; Removed 1941
Lost Pratt through truss bridge over Vernon Fork Muscatatuck River on Indiana Railroad
Removed

Irish Creek Bridge (Marshall County, Kansas)
Built ca. 1910; lost 2014
Lost pony truss bridge over Irish Creek, 3.0 mi. south and 1.5 mi. west of Vliets
Replaced by a new bridge

Iron Bridge at Howard Hill Road (Windsor County, Vermont)
Built 1890 by Groton Bridge Co.; Replaced by new bridge and put into storage 2007
Pratt through truss bridge over Black River on C3029 (Howard Hill Rd) in Cavendish
Replaced by new bridge and put into storage.

Iron Bridge Lane Bridge (Allegheny County, Pennsylvania)
Built in 1878 by the Morse Bridge Company of Youngstown, Ohio
Bridge on Iron Bridge Rd.


Iron Bridge near Preston Hollow, NY (Albany County, New York)
Pratt through truss bridge
Replaced

Iron Bridge Road Bridge (Lancaster County, Pennsylvania)
Built 1898; rehabilitated 1975
Pony truss bridge over Conestoga River on Iron Bridge Road
Open to traffic

Iron Bridge Road Bridge (De Witt County, Illinois)
Abandoned 1989
Pratt through truss bridge over Salt Creek on a former alignment of North 830 E. Road
Abandoned

Iron Bridge Trail - North Fork Wheeling Creek Bridge (Greene County, Pennsylvania)
Built 1914 Rehabilitated 2007
Pony truss bridge over North Fork Wheeling Creek on Iron Bridge Trail
Open to pedestrians only

Iron Horse Regional Trail - Walnut Creek Bridge (Monument Boulevard) (Contra Costa County, California)
Unknown history, part of an urban railroad to trail conversion project
Pratt through truss bridge over Walnut Creek on Iron Horse Trail
Open to pedestrians

Iron Horse Regional Trail - Walnut Creek Bridge (Ygnacio Valley Road) (Contra Costa County, California)
Railroad Bridge, 1929, re-used at this location for pedestrian walkway
Pratt through truss bridge over Walnut Creek on Iron Horse Trail
Open to pedestrians

Iron Horse Trail - Yakima River Bridge #5 (Kittitas County, Washington)
Built 1954
Through truss bridge over Yakima River on Iron Horse Trail
Open to pedestrians only

Iron Mountain - Arkansas River Bridge (Pulaski County, Arkansas)
Lost Pratt through truss bridge over Arkansas River on Iron Mountain Railroad
No longer exists

Iron Mountain - Judsonia Bridge (Old) (White County, Arkansas)
Replaced 1912
Lost Pratt through truss bridge over Little Red River on St. Louis, Iron Mountain & Southern Railway
Replaced by a new bridge

Irons Fork AR 88 Bridge (Polk County, Arkansas)
Built 1907; Replaced 1955
Lost two-span through truss bridge over Irons Fork on AR 88 east of Mena
Replaced by a new bridge in 1955

Ironwood Bluff Bridge (Itawamba County, Mississippi)
Built 1921
Through truss bridge over Old Tombigbee River on Van Buren Road
Open to traffic

Iroquois River CR 800W Bridge (Jasper County, Indiana)
Built ca. 1910
Lost Pratt pony truss bridge over Iroquois River on County Road 800 West
Replaced by a new bridge

ISC - Silver Creek Bridge (Clark County, Indiana)
Lost Pratt through truss bridge over Silver Creek on New Albany & Louisville Electric Railway
Removed

Island Park Bridge (Lenawee County, Michigan)
Originally on Church St., removed & stored in 30's, moved to park entrance, moved to present location 1980's.
Pratt pony truss bridge over South Branch Raisin River on Island Park Trail
Open to pedestrians only

Island Road Bridge over Rockaway Creek (Hunterdon County, New Jersey)
splint reinforced in 2001
Pratt pony truss bridge over Rockaway Creek on Island Road
Splint reinforced with pair of 36"x12" girders

Ivanhoe Bridge (Older) (Linn County, Iowa)
(Main design: Bowstring through truss)
Built 1877, Southwest part of the bridge rebuilt 1910-12 with a Pratt truss; Replaced 1946
Lost Bowstring through truss bridge over Cedar River on Road
Replaced by a new bridge

J & J Rogers Mill Bridge (Essex County, New York)
Built circa 1900; Abandoned 1971
Pratt through truss bridge over Ausable River on Former light railway
Intact but closed to all traffic

J. Robert Chapman Memorial Bridge (Solano County, California)
Built 1906, abandoned 1960's, rehabilitated, pedestrian, 2006.
Pratt through truss bridge over Putah Creek on Pedestrian Walkway in Winters
Open to pedestrians

J.D.Coffing Bridge (Fountain County, Indiana)
Built in 1886 as part of a 7-span bridge across the Wabash near Attica, moved to this location in 1924.
Two-span through truss bridge over Coal Creek on CR 800 South
Open to traffic

Jack C. Fisher Park Walking Trail Bridge (Daviess County, Kentucky)
Pratt pony truss bridge over a pond on the Jack C. Fisher Walking Trail
Open to pedestrians only

Jackson Boulevard Bridge (Cook County, Illinois)
Built 1916
Bascule bridge over South Branch Chicago River on Jackson Blvd. (original Rte 66)in Chicago
Open to traffic

Jackson Creek CR 290 S (Spencer County, Indiana)
Built ca. 1910; Replaced 1990
Lost Pratt pony truss bridge over Jackson Creek on CR 290S
Replaced by a new bridge

Jacob Fork Bridge (Catawba County, North Carolina)
Replaced 1987
Lost Pratt pony truss bridge over Jacob Fork River on Sr1116
Replaced by new bridge

Jacobs Creek Bridge (Fayette County, Pennsylvania)
Built 1903 by the York Bridge Co.; replaced 2000
Lost pony truss bridge over Jacobs Creek on Konicki Road (TR 364)
Replaced by new bridge

Jaite Paper Mill Bridge (Cuyahoga County, Ohio)
Said to have been built 1909 and last used by RR traffic 1984
Abandoned through truss bridge over Cuyahoga River on an abandoned railroad spur in the Cuyahoga Valley National Park
Abandoned

Jake's Branch Bridge (Miami County, Kansas)
Built 1908
Through truss bridge over Middle Creek, 8.3 mi. south and 2.0 mi. west of Louisburg
Intact but closed to all traffic

Jakes Creek Bridge (Pope County, Arkansas)
Built ca. 1930
Pony truss bridge over Jakes Creek on Pilot Rock Mountain Road (CR 16)
Open to traffic

James Bethel Gresham Memorial Bridge (McLean County, Kentucky)
(Main design: Pennsylvania through truss)
Built 1928 by the Nashville Bridge Company; replaced 1999
Lost Pennsylvania through truss bridge over Green River on KY 81
Replaced by new bridge

James Drive Bridge (Caldwell County, Missouri)
Lost through truss bridge over Shoal Creek on N.E. James Drive
Removed but not replaced

James River FM 141 Bridge (Greene County, Missouri)
Built 1885 by the Kansas City Bridge & Iron Co.; replaced 1993
Lost through truss bridge over James River on FM 141 in Springfield
Replaced by new bridge

James River Railroad Bridge (Botetourt County, Virginia)
Abandoned pratt through truss bridge over James River on former Craig Valley Branch of the Chesapeake & Ohio Railroad
Abandoned

Jane Addams Trail - Pecatonica River Bridge (Stephenson County, Illinois)
Built 1887
Pratt through truss bridge over Pecatonica River on Jane Addams Trail
Open to pedestrians only

Janesville Bridge (Black Hawk County, Iowa)
Built 1937; rehabilitated 1986
Through truss bridge over Cedar River on Old IA 969 in Janesville
Open to traffic

Janesville Bridge (N) (Bremer County, Iowa)
Built 1882, removed 2001 due to structural concerns
Lost Pratt through truss bridge over Cedar River on West Barrick Road
Removed

Janice Peaslee Bridge (Coos County, New Hampshire)
Built 1893 by Berlin Iron Bridge Co.; Closed 1990; Rehabilitated 2005
Pin connected Pratt through truss bridge over Connecticut River on Maidstone Bridge Road in Stratford
Open to traffic

Jay Bridge (N, Old) (Franklin County, Maine)
Built 1896; Replaced 19XX
Lost Pratt through truss bridge over East Channel Androscoggin River on Jay Bridge Road
Replaced by a new bridge

JC&FR - Republican River Bridge (Geary County, Kansas)
Lost Pratt pony truss bridge over Republican River on Junction City & Fort Riley Railway
Removed

Jeb Stuart Highway Bridge (Charlotte County, Virginia)
(Main design: Warren through truss)
Built 1930
Through truss bridge over Staunton River on Jeb Stuart Highway
Closed to all traffic

Jeff Creek Bridge (Latimer County, Oklahoma)
This bridge was intact but closed, with a new bridge and alignment in use.
Pony truss bridge over Jeff Creek on 3934C


Jeffers Bridge (Clay County, Indiana)
Built ca. 1910 by the Vincennes Bridge Co.
Through truss bridge over Birch Creek on CR 200 South
Intact but closed to all traffic 2015

Jefferson Bridge (Greene County, Iowa)
Lost Pratt through truss bridge over North Raccoon River on Road
Replaced by a new bridge

Jefferson River Bridge (Jefferson County, Montana)
Built 1914
Pratt through truss bridge over Jefferson River on CR 170
Open to traffic

Jefferson Street Bridge (Butler County, Pennsylvania)
Built 1937; rehabilitated 1984
Through truss bridge over Connoquenessing Creek and B&LE and B&P railroads on PA 68 (E. Jefferson Street)
Open to traffic

Jeffersonville Route 108 Bridge (Lamoille County, Vermont)
Built 1931 by American Bridge Co.; Lost 2014
Pratt through truss bridge over Lamoille River on VT 108 in Jeffersonville
Replaced by a new bridge

Jeldon Bridge (Clay County, Iowa)
Lost Pratt through truss bridge over Ocheyedan River on Road
Replaced by a new bridge

Jenkins Bridge (Barry County, Missouri)
Built 1909 by the Standard Bridge Co.
Through truss bridge over Flat Creek on CR 1215 between MO 39 and MO 248
Open to one-lane traffic with a 3 ton weight limit

Jennings Branch Bridge (Augusta County, Virginia)
Built ca.1900 by the Champion Bridge Company; Replaced by new bridge in 2010
Lost through truss bridge over Jennings Branch on Hangers Mill Rd (Route 801)
Replaced by new bridge

Jennings Randolph Memorial Bridge (Hancock County, West Virginia)
Built 1977
Through truss bridge over the Ohio River on US 30
Open to traffic

Jerome Bridge (Phelps County, Missouri)
Built 1928; replaced 1997
Lost through truss bridge over Gasconade River on Route D, just off I-44 at Jerome
Replaced by a modern bridge

Jerry Myers Road-Whitewater River Bridge (Wayne County, Indiana)
Built ca.1900; replaced 1996
Lost through truss bridge over Whitewater River on Jerry Myers Road
Replaced by new bridge