There are 8,747 bridges in this category · Only showing 6,692 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.


Le Grand Truss Bridge (Tama County, Iowa)
Built 1896; rehabilitated 1930 Lost in flooding in 2008
Lost through truss bridge over Iowa River on Abbott Avenue, piers remain
Destroyed in 2008 flooding

Lea Bridge (Bradley County, Tennessee)
Built 1886; Demolished 1988
Lost Pony truss bridge over Candies Creek on Old Georgetown Street
Replaced by a new bridge; Moved to park in Hamilton County

Leaf River Bridge (Ogle County, Illinois)
Lost Pratt pony truss bridge over Leaf River
No longer exists

Leander Roberts Bridge (Hancock County, Indiana)
Replaced 1994
Lost through truss bridge over Sugar Creek on CR 700 N
Replaced by new bridge

Lease Bridge (Champaign County, Illinois)
Built 1920, replaced 1993
Lost Pony truss bridge over Saline Branch Drainage Ditch on TR 181A
Replaced by new bridge

Leatherwood Bridge (Hickman County, Tennessee)
Built 1918; Bypassed by new bridge in 1987
Abandoned Pratt through truss bridge over Duck River
Abandoned

Leatherwood Creek Bridge CR 110 W (Parke County, Indiana)
Built ca. 1920; Replaced 1986
Lost Pratt pony truss bridge over Leatherwood Creek on CR 110 W
Replaced by a new bridge

Leavenworth Terminal Bridge (Leavenworth County, Kansas)
Built 1892-94 under the direction of George S. Morison for about $300,000; dedicated Jan. 2, 1894
Lost through truss swing bridge over the Missouri River on Chicago & North Western Railway at Leavenworth
Removed

Lebanon Valley Rail Trail - Swatara Creek Bridge (Lebanon County, Pennsylvania)
Pratt through truss bridge over Swatara Creek on Lebanon Valley Rail Trail
Being converted to trail use.

Lecompton-Perry Bridge (Douglas County, Kansas)
(Main design: Parker through truss)
Built 1899; Damaged due to floods in 1903, 1905, & 1908; 3 spans lost to ice jam 1910; Razed 1969
Lost Parker through truss bridge over Kansas River on Halderman Street.
Replaced by a new bridge a few hundred yards downstream.

Lee Creek Road Bridge (Crawford County, Arkansas)
Built 1898; one span replaced in 1930; bypassed in 1995
Abandoned through truss bridge over Lee Creek on Lee Creek Road (West Rena Road), just north of I-40
Closed to all traffic

Leechburg Bridge - Older (Westmoreland County, Pennsylvania)
Collapsed during demolition in 1935
Lost Pratt deck truss bridge over Kiskiminetas River
Replaced by a new bridge in 1935

Leedle Mill Road Bridge (Rock County, Wisconsin)
Built 1916
Lost Pratt through truss bridge over Badfish Creek on Leedle Mill Road
Replaced by a new bridge

Leeper Ford Bridge (Greene County, Missouri)
Built 1930 using recycled material; replaced 1991
Lost through truss over Sac River on Farm Road 34 southwest of Walnut Grove, near the Dade County line
Replaced by a concrete bridge

Leet Street Bridge (Allegheny County, Pennsylvania)
Originally built 1886 by the Morse Bridge Co. at Lawrence Junction; relocated here in 1904
Through truss bridge over Norfolk Southern Railroad and PA 65 on Leet Street in Leetsdale
Intact but closed to all traffic

Left Branch AR 123 Bridge (Newton County, Arkansas)
Lost through truss bridge over Left Branch Big Creek on AR 123
Replaced by new bridge in 2000

Lehigh Gap Bridge (Lehigh County, Pennsylvania)
Built 1930; rehabilitated 1984
Pratt deck truss bridge over Lehigh River on PA 873
Open to traffic

Lehigh River Norfolk Southern Bridge (Northampton County, Pennsylvania)
Two 7-panel Pratt through trusses
Open to traffic

Lehigh Valley RR - Coxton Bridge (Luzerne County, Pennsylvania)
Built in 1926, abandoned ca. 1980; demolition begun Oct. 2017
Abandoned Pratt through truss bridge over North Branch Susquehanna River on Abandoned Lehigh Valley Railroad
Derelict/abandoned for decades; demolition begun Oct. 2017

Lenon Bridge (Guthrie County, Iowa)
Replaced 1965
Pratt through truss bridge over Raccoon River on Road
Replaced by a new bridge

Lenox Bridge (Dyer County, Tennessee)
Built 1917 by the Vincennes Bridge Co.; damaged by overweight load in 1978; dismanted 1985; relocated 1987-88
Pratt swing pony truss bridge, pin-connected, originally spanning Obion River on CR S8025 west of Lenox
Open to pedestrians only

Leon River Bridge (Coryell County, Texas)
Built 1904; Rehabilitated in 1994
Through truss bridge over Leon River on Leon Street in Gatesville
Intact but closed to all traffic

Leon River Bridge CR 210 (Hamilton County, Texas)
Bypassed by new bridge in 2000
Abandoned through truss bridge over Leon River on CR 210
Southern approach completely washed away and truss has collapsed into river.

Leon River CR 106 Bridge (Hamilton County, Texas)
Bypassed by new bridge.
Abandoned through truss bridge over Leon River on CR 106
Abandoned

Levans Iron Bridge (Lebanon County, Pennsylvania)
Built 1904; rehabilitated 1960
Through truss bridge over Little Swatara Creek
Open to traffic

Levee Road Bridge (Hancock County, Illinois)
Built 1904
Pony truss bridge over Drainage Ditch on Levee Road (Middle Rd) in Warsaw
Open to traffic

Levy Road Bridge (Tazewell County, Illinois)
(Main design: Pratt through truss)
Built 1907
Pratt through truss bridge over Mackinaw River on Levy Road northwest of Hopedale
Derelict/abandoned

Lewellen State Aid Bridge (Garden County, Nebraska)
Built 1927
Pony truss bridge over North Platte River on Road 199A (FAS 1265)
Open to traffic

Lewis & Clark Bridge (Cowlitz County, Washington)
Built 1929; rehabilitated 2003
Cantilevered through truss bridge over Columbia River on WA 433 at Longview
Open to traffic

Lewis Bridge (Indiana County, Pennsylvania)
Built ca. 1895
Through truss bridge over Little Mahoning Creek on TR 399
Demolished and replaced.

Lewis Bridge (Keya Paha County, Nebraska)
Built 1922
Two-span pony truss bridge over Keya Paha River on a county road
Open to traffic

Lewis Mill Bridge (Daviess County, Missouri)
Completed Oct. 3, 1892, by the St. Joseph Bridge & Iron Co.; replaced 1989
Lost through truss over Grand River on CR 570 (July Avenue) west of Jameson, beyond the end of Route OO
Replaced by a concrete bridge

Lewis Street Bridge (Humboldt County, Iowa)
Built 1906, closed in the 70s, demolished 1981
Lost two-span through truss bridge over West Fork Des Moines River on Lewis Street in Humboldt
No longer exists

Lewis Street Swing Bridge (Scott County, Minnesota)
(Main design: Through truss)
Built in the 1880s, requested for scrap in 1942 due to WWII
Lost Through truss bridge over Minnesota River on Lewis Street
Removed but not replaced

Lewistown Road Bridge (1st) (Mifflin County, Pennsylvania)
Built ca. 1890; expanded with additional truss to carry Lewistown & Reedsville Electric Railway in 1902, replaced by concrete arch span 1924.
Lost Pratt through truss bridge over Juniata River
Replaced by a new bridge

Liberty Mills Bridge (Wabash County, Indiana)
Built ca. 1890
Through truss bridge over Eel River on 1st St. in Liberty Mills.
Closed

Liberty Road Bridge (DeKalb County, Missouri)
Built 1894 by the Dildine Bridge Co.
Pony truss bridge over North Fork Lost Creek on Liberty Road
Open to traffic on an unmaintained road

Libertyville Bridge (Lake County, Illinois)
Built 1921 as the western span of the US51 Kaskaskia River Bridge at Vandalia, Relocated here 1962. Replaced with trusses reused as decorations in 1990
Pratt through truss bridge over Desplaines River on Rockland Road
Closed

Lick Creek Bridge (Greene County, Tennessee)
Built 1925; replaced 2005
Lost pony truss bridge over Lick Creek on Crumley Road
Demolished to make room for replacement bridge

Lick Creek Bridge (Orange County, Indiana)
Abandoned Pratt through truss bridge over Lick Creek just off of US150
Was on an private drive that is now abandoned

Lick Creek Bridge (Owen County, Indiana)
Abandoned pony truss bridge over Lick Creek on abandoned county road
Derelict/abandoned

Lick Creek CR 300W Bridge (Madison County, Indiana)
Built 1879
Lost Pratt through truss bridge over Lick Creek on County Road 300 West
Collapsed. Replaced by new bridge.

Lick Log Creek Bridge (Bollinger County, Missouri)
Built 1900 at Zalma, relocated ca. 1930 after the new Zalma Bridge was constructed; bypassed by new truss bridge in 1995
Derelict through truss over Lick Log Creek just south of Gipsy Bridge on CR 736
Abandoned with portions of deck missing, replaced by new truss bridge

Lickford Branch Road Bridge (Harrison County, Indiana)
Built ca. 1920; rehabilitated 1989
Through truss bridge over Indian Creek on Lickford Branch Road
replaced

Lickskillet Bridge (Logan County, Kentucky)
Built 1880 by the Penn Bridge Works; replaced 1990 and later relocated to a city park
Pratt pony truss bridge in Auburn Park
Open to traffic going through the park

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

Light Street Bridge (Baltimore, Maryland)
Built 1891; replaced 1916
Lost Pratt through truss bridge over Middle Branch/ Patapsco River on Light Street
No longer exists

Lighting Creek Bridge (Cherokee County, Kansas)
(Main design: Pratt pony truss)
Built ca. 1920
Pony truss bridge over Lighting Creek on NW 80th St, 2.5 mi. north and 3.0 mi. west of West Mineral
Closed to all traffic

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

Limerick Road Bridge (Huron County, Michigan)
Built 1900; Replaced 1995
Lost Through truss bridge over Pigeon River on Limerick Road
Replaced by a new bridge

Limestone Creek Bridge (Jewell County, Kansas)
Pony truss bridge over Limestone Creek, 1.5 mi. south and 0.3 mi. east of Ionia
Intact but closed to all traffic

Limestone Street - Buck Creek Bridge (Clark County, Ohio)
Lost Through truss bridge over Buck Creek on Limestone Street
Collapsed; Replaced by a new bridge in 1957

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 Avenue Swing Bridge (Milwaukee County, Wisconsin)
Lost Pratt through truss bridge over Kinnickinnic River on East Lincoln Aveune
No longer exists

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

Lind Road Bridge (Ogle County, Illinois)
Abandoned pony truss bridge over Branch of Killbuck Creek on Abandoned Lind Road
Derelict/abandoned

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
Removed and being replaced because of height restrections on October 28, 2018.

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 Road 151, .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
Replaced by new bridge 2018

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 Buzzard Creek Bridge (Le Flore County, Oklahoma)
Built 1938; replaced 2012
Lost pony truss bridge over Little Buzzard Creek on E1570
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 3 Bridge (De Kalb County, Indiana)
Built ca. 1910
Pratt pony truss bridge over Little Cedar Creek on County Road 3
Replaced by a new bridge but saved and relocated to private property.

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