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.

Strimples Mill Road Bridge (Hunterdon County, New Jersey)
Built 1897; rehabilitated 2005
Through truss bridge over Lockatong Creek on Strimples Mill Road
Open to traffic

Stringtown Bridge (Cole County, Missouri)
Built 1934; made obsolete by new bridge in 1974
Through truss bridge over North Moreau Creek on Hemstreet Road west of Jefferson City
Open to two-lane traffic

Stringtown Bridge (Moultrie County, Illinois)
Built 1898; replaced 1977
Lost Pratt through truss bridge over West Okaw River on TR 19A
Replaced by new bridge

Stroud Bridge (Washington County, Pennsylvania)
Built 1904
Pony truss bridge over Brush Run on TR 859
Open to traffic

Stuckey's Bridge (Lauderdale County, Mississippi)
Built 1901 by the Virginia Bridge & Iron Co.
Through truss bridge over Chunky River on Stuckey Bridge Road
Closed & Barricaded

Stump Ford Bridge (Cedar County, Missouri)
Built 1905-06 by the Canton Bridge Co.; collapsed March 2014
Pony truss bridge over Cedar Creek on CR 274
Collapsed by fallen tree

Stumphole Bridge (Lawrence County, Indiana)
Built 1894; Lost 1988
Lost Pratt through truss bridge over East Fork White River on Stumphole Road
Replaced by new bridge

Sturgeon River Bridge (St. Louis County, Minnesota)
Built 1919
Through truss bridge over Sturgeon River on CR 931
Open to traffic

Sturgeon Road Bridge (Baraga County, Michigan)
Replaced 1994
Lost Pratt pony truss bridge over Sturgeon River on Sturgeon Road in Baraga
Replaced by new bridge

Sturgis Road Bridge (Faulkner County, Arkansas)
Originally built 1918 over Gold Creek on Sturgis Road; replaced and relocated in 1998
Relocated through truss bridge over an inlet of Gold Creek at Wilhelmina Cove Subdivision
Open to pedestrians only

Sucarnochee River Bridge (Sumter County, Alabama)
Built 1912
Pratt through truss bridge over Sucarnochee River on CR 1065 Payneville - Millville Road
Derelict with one approach collapsed, Closed to all traffic

Sugar Creek 2470E Bridge (Iroquois County, Illinois)
Built 1927
Lost through truss bridge over Sugar Creek on TR 324, 1.5 mi. east of Milford
Razed

Sugar Creek 331st Street Bridge (Cass County, Missouri)
Built ca. 1920
Pony truss bridge over Sugar Creek on 331st Street
Open to traffic

Sugar Creek Branch 3000E Bridge (Iroquois County, Illinois)
Built 1916; rehabilitated 1933
Lost through truss bridge over a branch of Sugar Creek on 3000E Road, 2 mi. northeast of Stockland
No longer exists

Sugar Creek Bridge (Christian County, Kentucky)
Built 1894 by the Groton Bridge & Manufacturing Co. of Groton, NY. Replaced 1985
Lost bedstead pony truss bridge over Sugar Creek on KY 124
Replaced by modern bridge in 1985

Sugar Creek Bridge (Pike County, Missouri)
Pony truss bridge over Sugar Creek on CR 115
Open to one-lane with a 7 ton weight traffic

Sugar Creek Bridge (Venango County, Pennsylvania)
Built 1920 by Groton Bridge Co.
Through truss bridge over Sugar Creek on PA 4010 in Sugarcreek
Open to traffic

Sugar Creek Bridge (Barbour County, West Virginia)
Abandoned Pony Truss bridge on dry land
Set aside on dry land

Sugar Creek Bridge (Logan County, Illinois)
Built 1898
Through truss bridge over Sugar Creek on TR 144, 2 mi. southeast of Hartsburg
Closed to all traffic

Sugar Creek Bridge (Crawford County, Illinois)
Built 1909
Pony truss bridge over Sugar Creek on TR 256, 1 mi. northeast of Gordon
Closed to all traffic

Sugar Creek Bridge (Clinton County, Indiana)
Built 1895; replaced 1991
Lost pony truss bridge over Sugar Creek on CR 480 S at 480S-980E
Replaced by new bridge

Sugar Creek Bridge (Hancock County, Indiana)
Built at an unknown location and later moved here for private use.
Pratt pony truss bridge over Sugar Creek on Private lane
Open to traffic

Sugar Creek Bridge (Pleasants County, West Virginia)
Built 1894
Through truss bridge over Sugar Creek on CR 3/8
Closed to all traffic and bypassed by modern truss bridge

Sugar Creek CR 1200E Bridge (Clinton County, Indiana)
Built ca. 1895 by the Toledo Bridge Company
Lost pony truss bridge over Sugar Creek on CR 1200 E
Replaced by new bridge

Sugar Creek CR 526 Bridge (Lewis County, Missouri)
Built ca. 1910
Pony truss bridge over Sugar Creek on Moosewood Street (CR 526)
Open to traffic

Sugar Creek CR 700E Bridge (Miami County, Indiana)
Lost pony truss bridge over Sugar Creek on CR 700 E
Replaced by new bridge

Sugar Creek CR 750 S (Daviess County, Indiana)
Built ca. 1910; Replaced 1991
Lost Pratt pony truss bridge over Sugar Creek on CR 750 S
Replaced by a new bridge

Sugar Creek CR 930E Bridge (Clinton County, Indiana)
Abandoned Pratt Bedstead pony truss bridge over Sugar Creek on CR 930 East
Derelict/abandoned

Sugar Creek Holland Road (Dubois County, Indiana)
Built ca. 1915; Replaced 1990
Lost Pratt pony truss bridge over Sugar Creek on Holland Road
Replaced by a new bridge

Sugar Creek Overflow Bridge (Logan County, Illinois)
Pony truss bridge over Sugar Creek Overflow on TR 144, 2 mi. southeast of Hartsburg
Closed to all traffic

Sugar Creek Road Bridge (Limestone County, Alabama)
Build 1888; Relocated to current location 1947; Closed 2005
Pratt through truss bridge over Sugar Creek on Sugar Creek Road-future ATV/hiking trail
Open to pedestrians only

Sugar Creek, Overflow CR 700N Bridge (Boone County, Indiana)
Lost pony truss bridge over Sugar Creek Overflow on CR 700 N
Replaced at the same time as #16 and apparently incorporated into one longer structure.

Sugar Creek-Branch CR 200S Bridge (Montgomery County, Indiana)
Built ca. 1900
Lost Pratt pony truss bridge over Branch of Sugar Creek on County Road 200 South
Replaced by a culvert

Sugar Creek-CR 400E Bridge (Hancock County, Indiana)
Built ca.1900; replaced in 1989
Lost Pratt through truss bridge over Sugar Creek on CR 400E
Replaced by new bridge

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

Sugar Creek-East County Line Rd. Bridge (Montgomery County, Indiana)
Built in 1923 by the Elkhart Bridge & Iron Company
Lost Pratt through truss bridge over Sugar Creek on East County Line Road
Replaced by a new bridge

Sugar Creek-Frankfort Rd. Bridge (Boone County, Indiana)
Built in 1886 by the Smith Bridge Company; replaced in 1987
Lost Pratt through truss bridge over Sugar Creek on CR 500W
Replaced by new bridge

Sugar Creek-Troy Road Bridge (Hancock County, Indiana)
Built ca.1910; replaced in 1989
Lost Pratt through truss bridge over Sugar Creek on Troy Road (CR 340E)
Replaced by new bridge

Sugar Island Bridge (Old) (Kankakee County, Illinois)
Built 1902; Damaged by a Tornado in 1916 and likely replaced shortly thereafter
Lost Pratt through truss bridge over Iroquois River on Road
Replaced

Sugar Mill Creek CR 150S Bridge (Montgomery County, Indiana)
Built 1912 by the Elkhart Bridge & Iron Company
Lost Pony truss bridge over Sugar Mill Creek on County Road 150 South
Replaced by new bridge

Sugar Mill Creek E County Line Rd Bridge (Fountain County, Indiana)
Built ca. 1920
Lost Pratt pony truss bridge over Sugar Mill Creek on East County Line Road
Replaced by a new bridge

Sugar River Bridge (Winnebago County, Illinois)
Built 1922; rehabilitated 1988
Through truss bridge over Sugar River on Harrison Road
Open to traffic

Sugar River Bridge (Sullivan County, New Hampshire)
Three span Pratt pony truss bridge over Sugar River


Sulfur Fork Bridge (Montgomery County, Tennessee)
Built 1890 by the Converse Bridge Company
Pratt through truss bridge over Sulfur Fork on an old alignment of the Old Clarksville-Springfield Rd. in Port Royal State Park
Open to pedestrians

Sulfur Fork Station Bridge (Robertson County, Tennessee)
Built by Champion Bridge Company
Pratt pony truss bridge over Sulfur Fork Creek on a private driveway
Open to traffic

Sullins Road Bridge (Marion County, Alabama)
Built c. 1900, rehabilitated 1935, abandoned c. 2002
Riveted Pratt through truss bridge over Bull Mountain Creek on Sullins Rd
Abandoned; bypass road has new bridge built c. 2002

Sullivan Road Bridge (Franklin County, Mississippi)
Built ca. 1940
Through truss bridge over North Dry Creek on Sullivan Road
Open to traffic

Sulpher Ridge Road Bridge (Owen County, Indiana)
Built ca. 1900
Lost Pratt pony truss bridge over Fish Creek on Sulpher Ridge Road (CR 550 West)
Removed and replaced

Sulphite Railroad Covered Bridge 29-07-09 (Merrimack County, New Hampshire)
Built 1896 as Covered Pratt Deck Truss, Abandoned 1976, Outer wood burned off by vandals in 1980
Pratt deck truss bridge over Winnipesautee River on Former Boston & Maine Railroad (Franklin & Tilton Railroad)
Closed to all traffic

Sulphur Creek Bridge (Washington County, Kentucky)
Built ca. 1920
Pony truss bridge over Sulphur Creek on Sulphur Lick Road
Open to traffic

Sulphur Creek CR 318 Bridge (Pike County, Missouri)
Pony truss bridge over Sulphur Creek on CR 318
Open to traffic

Sulphur Fork Creek Bridge Apricot Road (Perry County, Indiana)
Built ca. 1895; Replaced 1988
Lost Pratt through truss bridge over Sulphur Fork Creek on CR 37, Apricot Road
Replaced by a new bridge

Sumantown Road Bridge (Frederick County, Maryland)
Built ca. 1910; rehabilitated 1999
Through truss bridge over Catoctin Creek on Sumantown Road
Open to traffic

Sumner Road Bridge (Chariton County, Missouri)
Built 1925 by the Pan American Bridge Co.; relocated here in 1963
Lost through truss bridge over Locust Creek on Sumner Road
Replaced by a new bridge

Sumner Street NS Overpass (closed) (Lucas County, Ohio)
Built 1904; rehabilitated 1921; closed to traffic many years ago.
Abandoned pratt through truss bridge over tailroad on Sumner Street
Closed for repairs to prevent collapse onto tracks below

Sunset Bridge (Polk County, Missouri)
Built 1884-85 on the Bolivar-Buffalo Road at Burns by the King Bridge Co.; relocated to Sunset Ford in 1931-32
Lost through truss bridge over Pomme de Terre River on 475th Road between the ends of Route Y and Route YY
No longer exists

Sunshine Drive Bridge (Jefferson County, Missouri)
Built 1934; replaced 2004
Lost through truss over Joachim Creek on Sunshine Drive (Old Route A) in Festus
Removed to make room for new concrete bridge

Sunshine Road Bridge (Bell County, Texas)
Truss bridge over Little River on Sunshine Road
Abandoned with approaches washed away and deck removed

Surgoinsville Bridge (Hawkins County, Tennessee)
Built 1955
Former Pratt through truss bridge over Holston River on County Road 2604 in Surgoinsville
This bridge was demolished in 2014

Surprise Bridge (Meigs County, Tennessee)
Built 1917 by the Champion Bridge Co.; Bypassed by new bridge in 1982
Abandoned bedstead Pratt pony truss bridge over Big Sewee Creek
Abandoned

Surprise School Bridge (Henry County, Missouri)
Lost through truss bridge over South Grand River near Gaines, probably beyond the end of Route W
Destroyed by the creation of Truman Reservoir

Susett Road Bridge (Warrick County, Indiana)
Built in 1897 by the Missouri Bridge & Iron Works
Lost Pratt through truss bridge over Pigeon Creek on CR 750 N
Removed

Susquehanna River Bridge (Harford County, Maryland)
Original bridge replaced in stages 1873-1886; Converted to road use ca 1910 by private owners; Converted to a double-decker ca. 1923 by the state of Maryland; Replaced 1940; Removed 1943
Lost Pratt through truss and swing bridge over Susquehanna River on Road
Removed but not replaced at exact site

Sutherlin Ford Bridge (Putnam County, Indiana)
Built in 1906 by the Vincennes Bridge Co.
Through truss bridge over Big Raccoon Creek on CR 1050 North
Bypassed with a new bridge but retained.

Suwanne River Bridge (Dixie County, Florida)
(Main design: Through truss)
Through truss bridge over Suwanne River on State Route Highway 27
No longer exists

SVT - Scotio River Bridge (Ross County, Ohio)
Built in 1904
Lost Pratt through truss bridge over Scioto River on Scioto Valley Traction Co.
Removed but not replaced

SW - Hatch to Rincon Bridge (Dona Ana County, New Mexico)
Through truss bridge over Rio Grande on Southwestern Railroad
Open

SW 520th Street Bridge (Johnson County, Iowa)
Rehabilitated 1989
Pony truss bridge over Deer Creek on SW 520th Street
Open to traffic

SW 63rd Street Bridge (Polk County, Iowa)
(Main design: Parker through truss)
Built 1894'; Replaced 1964
Lost Parker through truss bridge over Raccoon River
Replaced by a new bridge

SW 9th Street Bridge (Polk County, Iowa)
Built ca.1888; Replaced 1967
Lost Pratt through truss bridge over Raccoon River
Replaced by a new bridge in 1967

Swain Ditch CR 100N Bridge (Jasper County, Indiana)
Built ca. 1895
Pratt Bedstead pony truss bridge over Swain Ditch on County Road 100 North (Abandoned section)
Derelict/abandoned

Swamp Creek CR 1100E Bridge (Clinton County, Indiana)
Built ca. 1900
Lost Half-hip Pratt pony truss bridge over Swamp Creek on County Road 1100 East
Replaced by a new bridge

Swan Bridge (Fannin County, Georgia)
Replaced in 1989
Lost Pratt through truss bridge over Toccoa River
Replaced by new bridge

Swan River Bridge (Flathead County, Montana)
Built 1911
Pratt through truss bridge over Swan River on CR 672 in Bigfork
Open to traffic

Swatara Creek Bridge (Lebanon County, Pennsylvania)
Built 1902; rehabilitated ca. 1970. Closed 2001. Replaced. ca. 2006.
Through truss bridge over Swatara Creek on PA 1022
Demolished and replaced.

Sweetgrass Creek Bridge (Sweet Grass County, Montana)
Built 1910; rehabilitated 1964
Pony truss bridge over Sweetgrass Creek on CR 014
Open to traffic

Sweetwater Creek Bridge (Rogers County, Oklahoma)
Built ca. 1930
1/2 a Pony truss bridge over Sweetwater Creek on N4150 in Sequoyah
Open to traffic

Sweetwater Mill Bridge (Buffalo County, Nebraska)
Built 1909
5-panel pin-connected Pratt pony truss bridge over Mud Creek on Sweetwater Road at Sweetwater
Open to traffic

Swensrud Park Bridge (Worth County, Iowa)
Bedstead Pratt pony truss bridge over Shell Rock River on pedestrian trail in Northwood
Open to pedestrians

Swensrud Refuge Bridge (Worth County, Iowa)
Built ca. 1900
Abandoned pratt through truss bridge over Shell Rock River on Abandoned road just off Mallard Avenue
Open to pedestrians only

Swift Run Lake Bridge (Miami County, Ohio)
Pony truss bridge over Swift Run Lake on a driveway
Open to traffic

Swindell Bridge (Allegheny County, Pennsylvania)
Built 1930; rehabilitated 1990
Cantilevered deck truss bridge over I-279 on Charles Street in Pittsburgh
Open to traffic

Swinney Park Footbridge (Allen County, Indiana)
Built in 1898 by the King Bridge Co. as a pedestrian bridge.
Pratt through truss bridge over St Mary's River on Park trail in Fort Wayne
Open to pedestrians

Swisher Hill Bridge (De Witt County, Illinois)
Built 1911
Through truss bridge over North Fork Salt Creek on TR 188 (1705E Rd.), 3.3 mi. northwest of Dewitt
Open to traffic

SWM - Center Creek Bridge (Old) (Jasper County, Missouri)
Built 1895; Replaced 1913
Lost Pratt through truss bridge over Center Creek on Southwest Missouri Electric Railway
Replaced by a new bridge

SWM - Webb City Viaduct (Jasper County, Missouri)
Built 1906
Lost Through truss bridge over MNA (former MoPac) Railway and a creek on former Southwest Missouri Electric Railway
Lost

Sycamore Creek Bridge (Hamilton County, Texas)
Built 1911; Replaced 1997
Lost pony truss bridge over Sycamore Creek on CR 288
Replaced by new bridge

Sycamore Creek Bridge (Montgomery County, Kansas)
Built ca. 1920
Through truss bridge over Sycamore Creek on CR 3300
Open to traffic

Sycamore Creek TR 13 Bridge (Wyandot County, Ohio)
Built 1900 by the Smith Bridge Co,
Lost Through truss bridge over Sycamore Creek on TR 13
Replaced with Warren Polygonal truss

Sycamore Row Bridge (Carroll County, Indiana)
Built ca.1900 by the American Bridge Company, replaced with a IHC Parker truss bridge in 1930.
Lost Pratt through truss bridge over Deer Creek on Old Michigan Road
Replaced by a new bridge

Sylvan Island Bridge (Rock Island County, Illinois)
Built 1901; Bearing plate repaired 1945, Timber deck replaced by concrete 1953; Floor system repaired 1964; Closed 1969; Converted to pedestrian usage in 1995; Closed 2013, Demolished 2017
Pratt through truss bridge over Sylvan Slough on 2nd Street
Intact but closed to all traffic

Sylvan Slough Viaduct (Old) (Rock Island County, Illinois)
Built 1891; Replaced 1907
Lost Pratt through truss bridge over Sylvan Slough on 24th Street
Replaced by a new bridge

T&NO - Colorado River Bridge (Old) (Wharton County, Texas)
(Main design: Whipple through truss)
Built ?; Replaced 1903
Lost Whipple through truss bridge over Colorado River on Texas & New Orleans Railroad
Replaced by a new bridge

T&P - Mountain Creek Bridge (Wagoner County, Oklahoma)
Abandoned pratt through truss bridge over Mountain Creek on Abandoned Texas & Pacific Railroad line
Abandoned

T&P - Trinity River Bridge (Old) (Dallas County, Texas)
Lost Pratt through truss bridge over Trinity River on Texas & Pacific Railroad
Replaced by a new bridge

Tallahatchie River Bridge (Panola County, Mississippi)
Built 1940
Through truss bridge over Tallahatchie River on MS 6 / US 278 west of Batesville
Open to two-lane traffic

Tallman Road Bridge (Clinton County, Michigan)
Built 1880; Replaced 1996
Lost Pratt through truss bridge over Looking Glass River on Tallman Road in Eagle
Replaced by new bridge

Tanners Bridge (Walton County, Georgia)
Built 1918
Pratt through truss bridge over Apalachee River on Tanners Bridge Road
Abandoned

Tanners Falls Bridge (Wayne County, Pennsylvania)
Built 1885
Pony truss bridge over West Branch Dyberry Creek on PA 4017
Closed to all traffic

Taos Junction Bridge (Taos County, New Mexico)
Built 1930
Through truss bridge over Rio Grande on NM 567
Open to traffic

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