There are 9,308 bridges in this category · Only showing 7,320 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.

Logan Creek Bridge (Dodge County, Nebraska)
Built 1910
Pony truss bridge over Logan Creek on CR D
Open to traffic

Logan Mill Bridge (Logan County, Kentucky)
Built 1925; Rehabilitated 2014.
Pratt through truss bridge over Red River on Logan Mill Road
Open to traffic

Logan Street Truss Bridge (Ingham County, Michigan)
Built ca. 1904; Replaced by 1928
Lost Pratt through truss bridge over Grand River on Logan Street (Today Martin Luther King Jr. Blvd.)
Replaced by a new bridge

London Mills Bridge (Knox County, Illinois)
(Main design: Pratt through truss)
Built 1883; replaced 1985. 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 CH 39 in London Mills
Replaced by a new bridge

London Pike-Panther Creek Bridge (Daviess County, Kentucky)
Lost Pratt pony truss bridge over North Fork of Panther Creek on London Pike Road
Removed but not replaced. This section of the road closed in 1980.

Lone Rock Bridge (Richland County, Wisconsin)
Built 1932; rehabilitated 1989
Through truss bridge over Wisconsin River on WI 130/WI 133
Open to traffic

Lone Star Brewery Bridge (Bexar County, Texas)
Bridge Between the towers of the Original Lone Star Brewery
Pratt pony truss bridge over San Antonio River on Museum Reach Riverwalk
Open to pedestrians only

Lone Wolf Bridge (Tom Green County, Texas)
Built 1922; rehabilitated 1933
Through truss bridge over South Concho River on E. Avenue K in San Angelo
Open to pedestrians only

Long Branch CR 611 Bridge (Monroe County, Missouri)
Built ca. 1910
Pony truss bridge over Long Branch on CR 611
Open to traffic

Long Branch CR 759 Bridge (Monroe County, Missouri)
Built ca. 1925 on a state highway and later relocated here
Pony truss bridge over Long Branch on CR 759
Open to traffic

Long Branch CR 859 Bridge (Monroe County, Missouri)
Built 1909 by the Illinois Steel Bridge Co.
Pony truss bridge over Long Branch Creek on CR 859
Open to traffic

Long Branch Creek Bridge (Payne County, Oklahoma)
Built 1910
Pony truss bridge over Long Branch Creek on Country Club Rd.
Open to traffic

Long Bridge (Ida County, Iowa)
Replaced 1913
Lost Pratt through truss bridge over Maple River on 1st Street
Replaced by a new bridge

Long Bridge (Marathon County, Wisconsin)
(Main design: Pratt through truss)
Lost Pratt through truss bridge over Wisconsin River on Main Street
Replaced by a new bridge

Long Cane Creek Bridge (McCormick County, South Carolina)
Built 1932
Through truss bridge over Long Cane Creek on S-33-117
Open to traffic

Long Creek Bridge (Decatur County, Iowa)
Built 1968
Through truss bridge over Long Creek on 130th Street
Open to traffic

Long Creek Bridge (Hancock County, Illinois)
Lost Half-hip Pratt pony truss bridge over Long Creek
No longer exists

Long Creek Bridge (Stone County, Missouri)
Removed for Table Rock Lake
Lost through truss bridge over Long Creek on Old MO 86
No longer exists

Long Creek Bridge (Decatur County, Iowa)
Built ca. 1930; rehabilitated 1989
Through truss bridge over Long Creek on 122nd Street
Open to traffic

Long Creek Bridge (Old) (Pender County, North Carolina)
Lost Pratt pony truss bridge over Long Creek on Predecessor road to Nc210
Replaced by a new bridge

Long Grove “Covered” Bridge (Lake County, Illinois)
Built 1906; wooden roof and substructure added 1972 to make it a "covered bridge," rehabilitated 1981 and 2020
1906 pony truss bridge with modern wooden superstructure over Buffalo Creek on Robert Parker Coffin Road in Long Grove
Original pony truss reopened

Long Hollow Rd. TR367 Bridge (Columbia County, Pennsylvania)
Built 1905
Through truss bridge over Catawissa Creek on TR 367
Open to traffic

Long Point Bridge (Tama County, Iowa)
Built 1941
Through truss bridge over Iowa River on P Avenue
Open to traffic

Long Point Bridge (Old) (Tama County, Iowa)
Built 1895; Replaced 1941
Lost Pratt through truss bridge over Iowa River on Road
Replaced by a new bridge

Long Pond Bridge (Knox County, Indiana)
Built ca.1905 by the Canton Bridge Company
Through truss bridge over Long Pond and White River on CR 1050 South
Abandoned with portion of deck missing

Longwood Lane Bridge (Fauquier County, Virginia)
Collapsed July 11, 2017
Lost pony truss bridge over Cedar Run on Longwood Lane (private drive)
Collapsed under weight of UPS truck

Lonnis Hill Road Bridge (Jefferson County, Indiana)
Built ca. 1890; replaced 1997
Lost through truss bridge over Indian-Kentuck Creek on Lonnis Hill Road (CR 675 E)
Replaced by new bridge

Lookout Creek Bridge (Dade County, Georgia)
Through truss bridge over Lookout Creek on Old Bridge Lane
Open to residents only.

Loop Road Bridge (Lancaster County, Pennsylvania)
Built 1940; rehabilitated 1970
Pony truss bridge over Pequea Creek on Loop Road
From Goggel aerials appears to have been removed but not replaced

Lopp Hollow Bridge (Harrison County, Indiana)
Built ca. 1905
Lost Pratt pony truss bridge over Branch of Ohio River on River Road
Replaced by a new bridge

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

Lost Bridge (Miami County, Indiana)
Built 1920 by the Rochester Bridge Co.
2-span riveted Pratt through truss bridge over Eel River on CR 100 East
Closed

Lost Bridge (Dearborn County, Indiana)
Built 1916
Through truss bridge over Laughery Creek on Bells Branch Road
Open to traffic

Lost Bridge Trail - South Fork Sangamon River Bridge (Sangamon County, Illinois)
Through truss bridge over South Fork Sangamon River on Lost Bridge Trail, former B&O Railroad; located alongside IL 29 east of Springfield
Open to pedestrians

Lost Creek Bridge (Bourbon County, Kansas)
Built 1888
Through truss bridge over Lost Creek on 155th Street
Derelict/abandoned

Lost Creek Bridge (Lee County, Iowa)
Built 1925; replaced 2015-16
Lost through truss bridge over Lost Creek on Lost Creek Road
Replaced by a new bridge

Lost Creek Bridge (Nuckolls County, Nebraska)
Built 1935; rehabilitated 1991
Pony truss bridge over Lost Creek on 4th St/Park Rd 1 in Superior
Open to traffic

Lost Creek Bridge No. 1 (Lincoln County, Missouri)
Pratt pony truss bridge over Lost Creek on Farm road
Open to traffic

Lost Creek Bridge No. 2 (Lincoln County, Missouri)
Pratt pony truss bridge over Lost Creek on Farm road
Open to traffic

Lost Creek Bridge No. 3 (Lincoln County, Missouri)
Pratt pony truss bridge over Lost Creek on Farm road
Open to traffic

Lost River Bridge (Hardy County, West Virginia)
Built 1931; rehabilitated 1994
Through truss bridge over Lost River on CR 55/20
Open to traffic

Lost River-101 Ranch Rd. Bridge (Orange County, Indiana)
Built ca. 1910
Lost Pratt pony truss bridge over Lost River on 101 Ranch Road (CR 960W)
Replaced by a new bridge

Lost River-Tater Rd. Bridge (Orange County, Indiana)
Built ca. 1920; rehabilitated 1992
Pony truss bridge over Lost River on Tater Road (CR 500E)
Open to traffic

Louie Road Bridge (Siskiyou County, California)
Built 1935
Through truss bridge over Shasta River (Louie Br) on Louie Road
Open to traffic

Louis Creek Bridge (Iroquois County, Illinois)
Built 1907
Pony truss bridge over Louis Creek on TR 14A
Removed and replaced

Loup City State Aid Bridge (Sherman County, Nebraska)
Built 1913
Lost Pratt through truss bridge over Loup River on NE-10
Replaced by a new bridge

Loutre River CR 1051 Bridge (Callaway County, Missouri)
Built 1905 by the Illinois Bridge & Iron Co.
Pony truss bridge over Loutre River on CR 1051
Open to traffic

Loutre River MO 19 Bridge (Montgomery County, Missouri)
Built 1929; washed out and repaired in 1943; replaced 1995
Through truss bridge over Loutre River on MO 19
Replaced by new bridge

Love's Bridge (Greene County, Tennessee)
Collapsed in 1963 & 1968
Lost Pratt through truss bridge over Nolichucky River on US 411
Replaced by a new bridge in 1968

Lover's Lane Bridge (Floyd County, Iowa)
Built 1884; replaced 1922
Lost Pratt through truss bridge over Shell Rock River on Main Avenue
Replaced by a new bridge

Lover's Lane Bridge (Lewis and Clark County, Montana)
Built 1914
Through truss bridge over Elk Creek 041 on CR 309
Open to traffic

Lovers Lane Bridge (Buchanan County, Iowa)
Abandoned pony truss bridge
Derelict/abandoned

Low Brown Ford Bridge (Cedar County, Missouri)
Built 1917
Lost Pratt through truss bridge over Bear Creek on CR 287
Demolished

Lowe Bridge (White County, Illinois)
(Main design: Pratt through truss)
Built in 1891 by the Massillon Bridge Company
Abandoned Pratt through truss bridge over the Little Wabash River on a closed section of County Road 1200 East
Abandoned with portions of deck missing

Lowe's Bridge (White County, Indiana)
Replaced 1970
Lost Pratt through truss bridge over Tippecanoe River/Lake Shafer on Lowes Bridge Road
Replaced by new bridge

Lowell Bridge (Henry County, Iowa)
(Main design: Pratt through truss)
Built 1889; Replaced 1976
Lost Pratt through truss bridge over Skunk River on Road
Replaced by a new bridge

Lowell Dam Wagon Bridge (Cherokee County, Kansas)
(Main design: Parker through truss)
Lost Parker through truss bridge over Shoal Creek on wagon road
Replaced by a new bridge

Lower Bridge Sheffield 21-02-02 (Berkshire County, Massachusetts)
Built 1953
Lost Pratt through truss bridge over Housatonic River on Maple Avenue
No longer exists

Lower Bridge, Bondsville (Hampshire County, Massachusetts)
Built 1880; lost 2005
Pratt Pony Truss bridge over Swift River on River Street in Belchertown
Replaced by a new bridge

Lower Dillsboro Road Bridge (Dearborn County, Indiana)
Built 1926; replaced 1991
Lost through truss bridge over South Hogan Creek on Lower Dillsboro Road
Replaced by new bridge

Lower Elgin Road Bridge (Bastrop County, Texas)
The KCBI bid for four bridges, including this one, was for $12,829 and was accepted by the Bastrop County Commissioners Court on May 31, 1887 (source: Bastrop County Commissioners Court meeting minutes, Vol. D. p. 270)
Pratt through-truss bridge over Wilbarger Creek on Lower Elgin Road (CR 55). This road has also been known as Coats Rd.
The damage from the floods of 2015 was repaired in the fall of 2018, and the bridge is open again to pedestrian traffic.

Lower Gas Point Road Bridge (Shasta County, California)
Built 1920
Through truss bridge over North Fork Cottonwood Creek on Lower Gas Point Road
Open to traffic

Lower Greenville Bridge (Wayne County, Missouri)
(Main design: Pennsylvania through truss)
Built in 1911 by the Stupp Bros. Bridge & Iron Co. removed in 1931 by S. J. Cohen Construction Co,
Lost Bridge over St. Francis River on State Route 23
No longer exists, displaced lally columns remain along river/lake bank

Lower Iron Bridge (Dale County, Alabama)
Abandoned pratt through truss bridge over Choctawhatchee River on an abandoned section of Co Rd 421
Abandoned

Lower Landsdown Road Bridge (Hunterdon County, New Jersey)
Built 1885; rehabilitated 1982
Phoenix column Pratt through truss bridge over Capoolong Creek on Lower Landsdown Road
Open to traffic

Lower Paint Creek Road Bridge (Greene County, Tennessee)
Built 1935; rehabilitated 1983; replaced 2004
Lost Pratt pony truss bridge over Paint Creek on Lower Paint Creek Road


Lower Pine Run Bridge (Armstrong County, Pennsylvania)
Built ca. 1895
Through truss bridge over Pine Run on Lower Mudlic Road
Open to traffic

Lower Trenton Bridge (1875) (Mercer County, New Jersey)
rebuilt 1876, 1892, 1898
Lost Pratt through truss bridge over Delaware River on PRR
Superstructure replaced

Lowmans Ferry Bridge (Pulaski County, Virginia)
(Main design: Camelback through truss)
Built 1935; structural steel, deck and railings replaced in 1972
Lost through truss bridge over Claytor Lake on Lowmans Ferry Road
Superstructure replaced on the existing substructure.

Lowndes Bridge (Wayne County, Missouri)
Built 1913, probably by the Vincennes Bridge Co.; closed to traffic in 2008; demolished Feb. 2010
Lost through truss bridge over Bear Creek located at the Iron Bridge Conservation Area
No longer exists

Loyalsock Creek Bridge (Sullivan County, Pennsylvania)
Built 1937; rehabilitated 1987
Through truss bridge over Loyalsock Creek on PA 87 in Forksville
Open to traffic

LRWN - Fourche LaFave River Bridge (Perry County, Arkansas)
Through truss bridge over Fourche LaFave River on Little Rock & Western Railroad
Open to traffic

LS&MS - Chagrin River Bridge (Old) (Lake County, Ohio)
Built ?; Replaced 1904
Lost Pratt deck truss bridge over Chagrin River on Lake Shore & Michagan Southern Railroad
Replaced by a new bridge

LSRC - Bay City Swing Bridge (Bay County, Michigan)
Built 1892
Pratt through truss bridge over Saginaw River on Lake State Railway (formerly Detroit & Mackinac RR)
Open to traffic

LSX - Susquehanna River Bridge (Luzerne County, Pennsylvania)
Pratt through truss bridge over Susquehanna River on Luzerne and Susquehanna Railway Company
Open to traffic

Lucas Grove Road Lowe Run Bridge (Muscatine County, Iowa)
Built 1877; Replaced ca. 1914
Lost Pratt through truss bridge over Lowe Run on Muscatine-Des Moines Shortline/Lucas Grove Road
Replaced by a new bridge

Luce Line Trail Bridge (Hennepin County, Minnesota)
Built 1885 in Pearl, Illinois; Relocated to Long Lake in 1914; Relocated again 2008
Pratt through truss bridge over Wayzata Boulevard on Luce Line State Trail
Open to pedestrians

Lucien Bridge (Franklin County, Mississippi)
Built 1938
Through truss bridge over McCall Creek on Stewart Road
Closed

Lucy Creek Bridge (Osage County, Oklahoma)
Built ca. 1930
Pony truss bridge over Lucy Creek on FAS 5754
Open to traffic

Ludwig Bridge (Johnson County, Iowa)
Lost Pratt pony truss bridge over Clear Creek on Jasper Avenue
Replaced by a new bridge

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

Lumiere Palace Overpass (St. Louis, Missouri)
Built 2006-2007 as part of a casino-hotel complex
Pratt through truss bridge over 2nd Street on Pedestrian Walkway in St. Louis
Open to pedestrians

Lundy Bridge (Winneshiek County, Iowa)
Built 1900
Through truss bridge over Upper Iowa River on Lundy Bridge Road
Open to traffic

Lupus Bridge (Moniteau County, Missouri)
Built 1894 by the Kansas City Bridge & Iron Co
Through truss bridge formerly over Splice Creek on Ridge Road (CR 4) near Lupus
Relocated to private property next to creek

Luraville Swing Bridge (Suwannee County, Florida)
Built 1907; Replaced by new bridge in 1947
Lost swing bridge over Suwannee River on unnamed road in Luraville
Replaced by new bridge

Lusk Creek Bridge (Pope County, Illinois)
Built 1934
Through truss bridge over Lusk Creek on Eddyville Road (FAS 930), southeast of Eddyville, 3.25 mi. southeast of Eddyville
Open to two-lane traffic

Luther's Mill Bridge (Bradford County, Pennsylvania)
Built 1912 by the Owego Bridge Co., rehabilitated 1968
Through truss bridge over Sugar Creek on TR 552
Open to traffic

LV - Delaware River Bridge (Northampton County, Pennsylvania)
Built 1901
Abandoned pratt deck truss bridge over Delaware River on Railroad
Abandoned

LV - Delaware River Bridge (S) (Northampton County, Pennsylvania)
(Main design: Whipple deck truss)
Built 1876; Replaced in mainlline service 1901, but remained as third track; Removed ?
Lost Whipple deck truss bridge over Delaware River on Lehigh Valley Railway
Removed

LV - Lehigh River Bridge (Northampton County, Pennsylvania)
(Main design: Pratt deck truss)
Built 1896-9
Abandoned Pratt deck truss bridge over Lehigh River on Lehigh Valley Railway
Abandoned

LV - Newark Bay Bridge (Old) (Essex County, New Jersey)
Built 1913, replaced 1930
Lost Pratt through truss bridge over Newark Bay on Lehigh Valley RR
Replaced by a new bridge

LV - Towanda Bridge (Old) (Bradford County, Pennsylvania)
Built 1877, Replaced 1906
Lost Pratt through truss bridge over Susquehanna River on Lehigh Valley Railroad
Replaced by a new bridge

LVT - Aineyville Viaduct (Lehigh County, Pennsylvania)
Built 1913; Removed 1954
Lost Pratt through truss bridge over Trout Creek on Lehigh Valley Transit Co.
Removed

LVT - Race Street Bridge (Lehigh County, Pennsylvania)
Built 1892; Replaced 1954
Lost Pratt through truss bridge over Lehigh River on Lehigh Valley Transit Co.
Removed

Lycoming Creek Bridge (Lycoming County, Pennsylvania)
Pony truss bridge with steel arch reinforcement over Lycoming Creek on TR 860
Open to traffic

Lydell Road - Honey Creek Bridge (Crawford County, Ohio)
Built 1874
Lost Pratt pony truss bridge over Honey Creek on Lydell Road
Replaced by a new bridge in 1977

Lye Creek Bridge (Marion County, Indiana)
Built in Montgomery County in 1879- moved to Indianapolis over Central Canal
Bedstead pony truss bridge over Central Canal in Indianapolis
Open to pedestrians

Lye Creek CR 475E Bridge (Montgomery County, Indiana)
Built in 1879 by the Wrought Iron Bridge Company; moved to indianapolis in 1999
Pony truss bridge over Lye Creek on CR 475 East,now relocated to Indianapolis.
Relocated and road vacated at bridge site.

Lye Creek CR 500N Bridge (Montgomery County, Indiana)
Built ca. 1925
Lost Pratt half-through truss bridge over Lye Creek on County Road 500 North
Replaced by a new bridge

Lye Creek CR 600N Bridge (Montgomery County, Indiana)
Built ca. 1900; replaced 1992
Lost through truss bridge over Lye Creek on CR 600 N
Replaced by new bridge

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