There are 8,069 bridges in this category · Only showing 5,997 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.


Light Plant Bridge (Barton County, Missouri)
Built 1926 by the Concrete & Steel Construction Co.; replaced 2003
Through truss bridge formerly over Muddy Fork Spring River on NE 15th Lane
Now sitting on private property just south of the original location

Lightning Creek Bridge (Bonner County, Idaho)
Built 1939, Replaced 2010
Lost Pratt through truss bridge over Lightning Creek on ID 200 in Clark Fork
Lost

Ligon Bridge (Spartanburg County, South Carolina)
Built 1930; rehabilitated 1982, replaced 2015
Through truss bridge over Enoree River on S-42-893
Replaced by a new bridge

Lilac Bridge (Merrimack County, New Hampshire)
Built 1909; South span destroyed & replaced 1936; Bypassed in 1976; demolished July 2017
Bypassed through truss bridge over Merrimack River in Hooksett
Removed but not replaced

Lily Creek Bridge (Effingham County, Illinois)
Built 1909; abandoned 2001
Pony truss bridge over Lily Creek on TR 157
Derelict/abandoned

Lima Bridge (Fayette County, Iowa)
Bypassed 1979
Pratt through truss bridge over Volga River on Heron Road
Bypassed

Limberlost Creek CR 250E Bridge (Jay County, Indiana)
Built ca. 1910; replaced 1996
Lost pony truss bridge over Limberlost Creek on County Road 250 East.
Replaced by new bridge

Lime Creek Bridge (Buchanan County, Iowa)
Built 1904
Pony truss bridge over Lime Creek on 270th Street
Open to traffic

Lime Kiln / Shinn Bridge (Lewis County, Missouri)
Built 1896 by the Wrought Iron Bridge Co.
REMOVED; Formerly abandoned wrought iron through truss bridge over Middle Fabius River on CR 373
REMOVED; Gone by Dec 2, 2014; Deck was in very bad condition, county closed it by means of piling large rocks at each end

Lime Kiln Road Bridge (Newton County, Missouri)
Built 1882 as a railroad bridge by the King Bridge Co.; later relocated here for vehicular traffic
Through truss bridge over Shoal Creek on Lime Kiln Road north of Neosho in Neosho
Open to pedestrians

Lincoln Avenue Bridge (Clay County, Kansas)
Built ca. 1900, repaired and reopened in 2013
Pony truss bridge over Huntress Creek on Lincoln Avenue in Clay Center
Open to traffic

Lincoln Covered Bridge 45-14-13 (Windsor County, Vermont)
Built 1865; Renovated 1947; rehabilitated 1989
Covered Pratt through arch truss bridge over Ottauquechee River on Fletcher Hill Rd (C3035) in Woodstock
Open to one lane traffic with a weight limit

Lincoln Ditch CR 1125 W (Pulaski County, Indiana)
Built ca. 1900
Lost Pratt pony truss bridge over Lincoln Ditch on CR 1125 West
Replaced with a culvert

Lincoln Ditch CR 150 S (Pulaski County, Indiana)
Built ca. 1910
Lost Pratt pony truss bridge over Lincoln Ditch on CR 150 S
Replaced with a culvert

Lincoln Highway Buttricks Creek Bridge (Greene County, Iowa)
Replaced 1914
Pratt through truss bridge over Buttricks Creek on Lincoln Highway
Replaced by a new bridge

Lincoln Highway White Bridge (Tama County, Iowa)
Built ?; Replaced 1916
Lost Pratt through truss bridge over Iowa River on Lincoln Highway
Replaced by a new bridge

Lincoln Trail Bridge (Vermilion County, Illinois)
Built 1884, replaced in 2005
Lost through truss bridge over Stony Creek on Lincoln Trail Road southeast of Muncie
Replaced by new bridge

Linden Bridge (Christian County, Missouri)
Built 1904 by the Canton Bridge Co.; collapsed 1961
Lost through truss bridge over Finley Creek on MO 125
Replaced by new bridge

Lindley Creek Bridge (Polk County, Missouri)
Built 1911 by the Canton Bridge Co.
Through truss bridge over Lindley Creek on 346th Road, south of MO 64
Closed to traffic

Lindsay Bridge (Washington County, Pennsylvania)
Built 1905
Pony truss bridge over Buck Run on TR 541
Open to traffic

Line Street Bridge (Stark County, Ohio)
Lost Pratt through truss bridge over Sandy Creek on Line Street
Replaced by a new bridge

Links Bridge (Beaver County, Pennsylvania)
Built 1939; replaced 2007
Lost through truss bridge over Raccoon Creek on East Hookstown Road
Replaced by new bridge

Linn Creek Bridge (Marshall County, Iowa)
Built 1893; rehabilitated 1955
Pony truss bridge over Linn Creek on Langford Avenue
No longer exists

Linn Grove Dam Park Bridge (Buena Vista County, Iowa)
Built 1900; Moved from river crossing to here after the new bridge was built in 1940
Through truss bridge over Little Sioux Overflow on Park Access in Linn Grove
Relocated to point 300 feet from the original crossing and now serves as an exhibit at the Linn Grove City Park

Linwood Bridge (Leavenworth County, Kansas)
Built 1910; Lost 2001
Lost through truss bridge over Stranger Creek just east of Linwood in Linwood
Damaged by a flash food in 2001 and demolished soon after

Linwood Road Bridge (Wood County, Ohio)
Built ca. 1885 by the Smith Bridge Co.; rehabilitated 1987
Pony truss bridge over North Branch Portage River on Linwood Road (TR 236A) in Bowling Green
Open to pedestrians only

LIRC - Flatrock River Bridge (Bartholomew County, Indiana)
Once part of the Pennsylvania Railroad's route between Indy and Louisville, later used by Amtrak for it's Floridian and Southwind trains to Florida, and much later the Kentucky Cardinal. Today owned by the Louisville and Indiana Railroad.
Through truss bridge over Flatrock River on Louisville and Indianapolis Railroad in Columbus
Open to traffic, steps made to replace because of height restrections

LIRR - Beach Channel Drawbridge (Queens County, New York)
Built 1892; Replaced 1956
Lost Pratt through truss bridge over Beach Channel on Long Island Railroad
Replaced by a new bridge

LIRR - DB/BLISS Drawbridge (Queens County, New York)
Built 1893;
Pratt through truss bridge over Dutch Kills Creek on Long Island Railroad
Open to traffic

Lisco State Aid Bridge (Garden County, Nebraska)
Built 1928
Pony truss bridge over North Platte River on COLL 7154, .5 mi. south of Lisco
Open to traffic

Lithium Bridge (Perry County, Missouri)
Built ca. 1920
Pony truss bridge over Falls Branch on CR 921 just off Route M at Lithium
Open to traffic on a gravel road with a 6 ton weight limit

Little Arkansas River Bridge (Rice County, Kansas)
Built ca. 1910
Bedstead pony truss bridge over Little Arkansas River on Avenue E, 2.6 mi. east and 3.5 mi. south of Geneseo
Open to traffic

Little Auglaize River TR 25 Bridge (Putnam County, Ohio)
Built before 1900 by the Canton Bridge Co.
Pony truss bridge over Little Auglaize River on TR 25
Bypassed with a new bridge but retained.

Little Auglaize River TR R-23 Bridge (Putnam County, Ohio)
Built 1900
Pony truss bridge over Little Auglaize River on Township Road R-23
Lost

Little Back Creek Bridge (Bath County, Virginia)
Built 1932, rehabilitated 2011
Pratt Pony truss bridge over Little Back Creek on Gatewood Dr (Route 676)
Demolished and replaced with what appears to be modern welded truss.

Little Birch Creek Bridge CR 200 W (Clay County, Indiana)
Built c 1900
Lost Pratt pony truss bridge over Little Birch Creek on CR 200 W
Replaced by a new bridge

Little Black River MO 142 Bridge (Ripley County, Missouri)
Originally built 1922 on MO 25 over Castor River; trusses relocated here in 1949
Three-span pony truss bridge over Little Black River on MO 142, northwest of Naylor
Open to two-lane traffic on a paved road

Little Blackfoot River Bridge (Powell County, Montana)
Built 1908; rehabilitated 1999
Pratt through truss bridge over Little Blackfoot River on CR 52 in Avon
Open to traffic

Little Blue Creek Bridge (Pike County, Illinois)
Built 1961
Through truss bridge over Little Blue Creek on 482nd Street (TR 506) between Florence and Milton, 2.75 mi. southeast of Detroit
Open to one-lane traffic, with a posted weight limit and "Vehicles With Lugs Prohibited" sign!

Little Blue Creek Bridge (Pike County, Illinois)
Built 1916 by the Illinois Steel Bridge Co.; rehabilitated 1997
Pony truss bridge over Little Blue Creek on 492nd Street, This bridge was relocated from County Highway 14 on Big Blue. North of Detroit Illinois
Closed Not sure when

Little Blue River Bridge (Rush County, Indiana)
Built in 1898 by the Brackett Bridge Company; replaced in 1988.
Lost Pratt through truss bridge over Little Blue River on CR 580W
Replaced by new bridge

Little Blue Road Bridge (Jackson County, Missouri)
Built 1932; replaced 2006
Lost through truss bridge over Little Blue River on Little Blue Road in Kansas City
Replaced by a new bridge

Little Brokenstraw Bridge (Warren County, Pennsylvania)
Built 1917; rehabilitated 1985
Through truss bridge over Little Brokenstraw on PA 27 (Grand Street)
Replaced by a new bridge

Little Cabin Creek Bridge (Craig County, Oklahoma)
Built 1913
Pony truss bridge over Little Cabin Creek on E0266 Rd.
Open to traffic

Little Calumet River-Central Ave. Bridge (Lake County, Indiana)
Built ca. 1920, replaced in 1993
Lost through truss bridge over Little Calumet River on Central Avenue
Replaced by new bridge

Little Cedar Creek CR 52 Bridge (De Kalb County, Indiana)
Built ca. 1895
Lost Pratt pony truss bridge over Little Cedar Creek on County Road 52
Replaced by a new bridge

Little Cedar River Bridge (Floyd County, Iowa)
Rehabilitated 1962
Pony truss bridge over Little Cedar River on Black Jack Road
Open to traffic

Little Cedar River Bridge (Floyd County, Iowa)
Rehabilitated 1939
Through truss bridge over Little Cedar River on Timber Avenue
Open to traffic

Little Chickasaw Creek Bridge (Atoka County, Oklahoma)
Built ca. 1950
Pony truss bridge over Little Chickasaw Creek on N3933
Open to traffic

Little Cholame Creek Bridge (Monterey County, California)
Built 1915
Pratt through truss bridge over Little Cholame Creek on Parkfield/Clng Road
Open to traffic

Little Creek Bridge (Montgomery County, Illinois)
Built 1969
Pony truss bridge over Little Creek on Caulk Rd, 0.5 mi. north of Irving
Open to traffic

Little Creek, Branch-Meier Rd. Bridge (Posey County, Indiana)
Built ca. 1910; replaced 1992
Lost pony truss bridge over a branch of Little Creek on Meier Road
Replaced by new bridge

Little Creek-Copperline Rd. Bridge (Posey County, Indiana)
Built ca. 1910; replaced 2000
Lost pony truss bridge over Little Creek on Copperline Road
Replaced by new bridge

Little Creek-John Mills Rd. Bridge (Posey County, Indiana)
Through truss bridge over Little Creek on John Mills Road
Intact but closed to all traffic

Little Creek-Upper Mt. Vernon Rd. Bridge (Pony) (Posey County, Indiana)
Built ca. 1910; replaced 1995
Lost pony truss bridge over Little Creek on Upper Mt. Vernon Road
Replaced by new bridge

Little Creek-Upper Mt. Vernon Rd. Bridge (Thru) (Posey County, Indiana)
Built ca. 1910
Lost through truss bridge over Little Fork Creek on Upper Mt Vernon Road
Replaced by a new bridge

Little Creek-Wildeman Rd. Bridge (Posey County, Indiana)
Built ca. 1910; replaced 2003
Lost pony truss bridge over Little Creek on Wildeman Road
Replaced by new bridge

Little Darby Creek CR 24 Bridge (Madison County, Ohio)
Built 1915 by the Brookville Bridge Co.
Through truss bridge over Little Darby Creek on CR 24
Intact but closed to all traffic

Little Deep Fork Bridge (Creek County, Oklahoma)
Built ca. 1990
Pony truss bridge over Little Deep Fork on E0820
Open to traffic

Little Deep Fork Creek Bridge (Creek County, Oklahoma)
Built ca. 1920
Pony truss bridge over Little Deep Fork Creek on 465th W. Ave. (N3650)
Open to traffic

Little Deer Creek Bridge (Carroll County, Indiana)
Built in 1888 by P.E.Lane; replaced in 1989
Lost Pratt through truss bridge over Little Deer Creek on CR 400E
Replaced by new bridge

Little Deer Creek CR 500E Bridge (Carroll County, Indiana)
Built 1907
Lost Pratt pony truss bridge over Little Deer Creek on County Road 500 East
Replaced by a new bridge

Little Dog Creek Bridge (Rogers County, Oklahoma)
Built ca. 1940
Pony truss bridge over Little Dog Creek on 6622C
Replaced by a new bridge

Little Eagle Creek-West 156th St. Bridge (Hamilton County, Indiana)
Built ca. 1915
Lost Pratt pony truss bridge over Little Eagle Creek on West 156th Street
Replaced by a new bridge

Little Elkhart River CR 50N Bridge (Elkhart County, Indiana)
Built ca. 1905
Lost Pratt pony truss bridge over Little Elkhart River (Yellow Creek) on County Road 50 North (CR 18)
Replaced by a new bridge

Little Fabius River CR 265 Bridge (Knox County, Missouri)
Built ca. 1910
Pony truss bridge over Little Fabius River on CR 265
Bridge is not passable due to bad deck, and entire road is abandoned

Little Flat Rock River Bridge (Decatur County, Indiana)
Built ca.1890; destroyed by an overweight truck in 1990.
Lost Pratt through truss bridge over Little Flat Rock River on CR 250W
Replaced by new bridge

Little Flatrock River Bridge (Rush County, Indiana)
Built in 1921 by the Burk Construction Company; rehabilitated 1980; replaced 1997
Lost through truss bridge over Little Flatrock River on Road 125 W
Replaced by new bridge

Little Flatrock River Bridge (Decatur County, Indiana)
Built ca. 1910; replaced 2000
Lost through truss bridge over Little Flatrock River on CR 225 W at 740N-225W
Replaced by new bridge

Little Flatrock River Bridge (Rush County, Indiana)
Built ca.1900; replaced in 1988
Lost Pratt through truss bridge over Little Flatrock River on CR 1050S
Replaced by new bridge

Little Flora Creek Bridge (Cape Girardeau County, Missouri)
Built ca. 1925
Pony truss bridge over Little Flora Creek on CR 635 southwest of Egypt Mills
Open to traffic

Little Fox River CR 151 Bridge (Clark County, Missouri)
Built ca. 1910; replaced 2001
Lost pony truss bridge over Little Fox River on CR 151
Replaced by a new bridge

Little Goose Creek Bridge (Trousdale County, Tennessee)
Warren pony truss bridge over Little Goose Creek on a driveway
Open to traffic on a private driveway

Little Horseshoe Creek Bridge (Lafayette County, Missouri)
Built 1922; replaced ca. 2005
Lost pony truss bridge over Little Horseshoe Creek on Old US 40
Replaced by a new bridge

Little Indian Creek-New Middletown Road Bridge (Harrison County, Indiana)
Built 1915; replaced 1995
Lost through truss bridge over Little Indian Creek on New Middletown Road
Replaced by new bridge

Little Indian Creek-Tandy Road Bridge (Harrison County, Indiana)
Built ca. 1905
Lost Pratt pony truss bridge over Little Indian Creek on Tandy Road
Replaced by a new bridge

Little Kankakee River-CR 525E Bridge (La Porte County, Indiana)
Built ca. 1915
Lost Pratt pony truss bridge over Little Kankakee River on County Road 525 East
Replaced by a new bridge

Little King's Bridge (Henry County, Indiana)
Built ca.1910; rehabilitated 1983; replaced 1997
Lost pony truss bridge over Big Blue River on CR 125 W
Replaced by new bridge on a new alignment and destroyed

Little Loutre Creek CR 751 Bridge (Audrain County, Missouri)
Built ca. 1925; probably relocated here ca. 1975
Pony truss bridge over Little Loutre Creek on CR 751
Open to traffic

Little Mackinaw River Bridge (Tazewell County, Illinois)
Built 1934
Pony truss bridge over Little Mackinaw River on TR 240
Open to traffic

Little Mexico Bridge (Snyder County, Pennsylvania)
Built 1905; rehabilitated 1960, repaired/repainted 2007
Through truss bridge over Penns Creek on PA 1013
Open to traffic

Little Miami Scenic Trail - Little Miami River Bridge (Near Xenia) (Greene County, Ohio)
Pratt through truss bridge over Little Miami River on Little Miami Scenic Trail
Open to pedestrians only

Little Missouri Creek Bridge (Brown County, Illinois)
Pony truss bridge over Little Missouri Creek on CR500E, 8.0 mi. northwest of Mt Sterling
Open to traffic

Little Muddy Creek Bridge (Clay County, Illinois)
Built 1923
Through truss bridge over Little Muddy Creek on Fr-2114 (Old US 50)
Closed to all Traffic

Little Nemaha River Bridge (Otoe County, Nebraska)
Built 1905
Pony truss bridge over Little Nemaha River on CR 12 (12th Road), 1.7 mi. east and .3 mi. south of Palmyra
Intact but closed to all traffic

Little Osage River Bridge (Bourbon County, Kansas)
Built in 1896 by the Wrought Iron Bridge Co.
Through truss bridge over Little Osage River on 35th Street
Intact but closed to all traffic

Little Potato Creek CR 800E Bridge (Montgomery County, Indiana)
Built 1894; replaced 1991
Lost pony truss bridge over Little Potato Creek on County Road 800 East
Replaced by new bridge

Little Potato Creek CR 900E Bridge (Montgomery County, Indiana)
Built 1894 by the Lafayette Bridge Company
Lost pony truss bridge over Little Potato Creek on CR 900 East
Road is closed and bridge has been removed

Little Potato Creek CR 900N Bridge (Montgomery County, Indiana)
Built 1899 by the Lafayette Bridge Company
Lost Pratt through truss bridge over Little Potato Creek on County Road 900 North
Replaced by a new bridge

Little Prickly Pear Creek Bridge (Lewis and Clark County, Montana)
Built 1905
Through truss bridge over Little Prickly Pear Creek on CR 005
Open to traffic

Little River Bridge (Seminole County, Oklahoma)
Built 1929;
Through truss bridge over Little River on N3560
Intact but closed to all traffic

Little River Bridge (possibly on piers of 1859 Beale Bridge) (Hughes County, Oklahoma)
Built 1909, abandoned circa 1948 due to flood changing course of river.
Abandoned pratt through truss bridge over Dry Oxbow formerly Little River
Derelict/abandoned

Little Saline River Bridge (Pope County, Illinois)
Abandoned pony truss bridge over Little Saline River on abandoned road
Abandoned with deck missing

Little Salmon River Bridge (Adams County, Idaho)
Built 1923
Pony truss bridge over Little Salmon River on Old US 95
Open to traffic

Little Salmon River Bridge (Old) (Franklin County, New York)
Built c. 1880's by Groton Bridge Co.
Lost Pratt pony truss bridge over Little Salmon River on Washington Street
Replaced by a new bridge

Little Salt Creek Bridge (Effingham County, Illinois)
Built 1909
Pony truss bridge over Little Salt Creek on TR 304, 3 mi. northwest of Dieterich
Open to traffic

Little Sand Creek Bridge (Bartholomew County, Indiana)
Built 1925; replaced 2004
Lost through truss bridge over Little Sand Creek on CR 650 East
Removed

Little Sand Creek CR 600E Bridge (Bartholomew County, Indiana)
Built in 1893 by the Wrought Iron Bridge Company, replaced in 1987.
Lost Pratt pony truss bridge over Little Sand Creek on County Road 600E
Replaced by a new bridge

Little Sandusky River TR 68C (Wyandot-Marion Rd.) Bridge (Marion County, Ohio)
Pony truss bridge over Little Sandusky River on TR 68C (Wyandot-Marion Rd.)
Open to traffic

Little Sandy Creek Bridge (Venango County, Pennsylvania)
Built ca. 1895; rehabilitated 1975
Pony truss bridge over Little Sandy Creek on TR 304 (Bombish Road)
Open to traffic