There are 9,302 bridges in this category · Only showing 7,314 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.
Sugar Creek Bridge (Pleasants County, West Virginia)
Built 1894Through truss bridge over Sugar Creek on CR 3/8Closed to all traffic and bypassed by modern truss bridge
Sugar Creek CR 1200E Bridge (Clinton County, Indiana)
Built ca. 1895 by the Toledo Bridge CompanyLost pony truss bridge over Sugar Creek on CR 1200 EReplaced by new bridge
Sugar Creek CR 526 Bridge (Lewis County, Missouri)
Built ca. 1910Pony truss bridge over Sugar Creek on Moosewood Street (CR 526)Open to traffic
Sugar Creek CR 750 S (Daviess County, Indiana)
Built ca. 1910; Replaced 1991Lost Pratt pony truss bridge over Sugar Creek on CR 750 SReplaced by a new bridge
Sugar Creek CR 930E Bridge (Clinton County, Indiana)
Abandoned Pratt Bedstead pony truss bridge over Sugar Creek on CR 930 EastDerelict/abandoned
Sugar Creek Holland Road (Dubois County, Indiana)
Built ca. 1915; Replaced 1990Lost Pratt pony truss bridge over Sugar Creek on Holland RoadReplaced 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 HartsburgClosed to all traffic
Sugar Creek Road Bridge (Limestone County, Alabama)
Build 1888; Relocated to current location 1947; Closed 2005Pratt through truss bridge over Sugar Creek on Sugar Creek Road-future ATV/hiking trailOpen to pedestrians only
Sugar Creek, Overflow CR 700N Bridge (Boone County, Indiana)
Lost pony truss bridge over Sugar Creek Overflow on CR 700 NReplaced at the same time as #16 and apparently incorporated into one longer structure.
Sugar Creek-Branch CR 200S Bridge (Montgomery County, Indiana)
Built ca. 1900Lost Pratt pony truss bridge over Branch of Sugar Creek on County Road 200 SouthReplaced by a culvert
Sugar Creek-CR 200N Bridge (Hancock County, Indiana)
Built ca. 1900Lost Pratt through truss bridge over Sugar Creek on County Road 200 NorthReplaced by a new bridge
Sugar Creek-CR 600E Bridge (Hancock County, Indiana)
Built 1897Lost Pratt through truss bridge over Sugar Creek on County Road 600 EastCollapsed
Sugar Creek-East County Line Rd. Bridge (Montgomery County, Indiana)
Built in 1923 by the Elkhart Bridge & Iron CompanyLost Pratt through truss bridge over Sugar Creek on East County Line RoadReplaced by a new bridge
Sugar Creek-Frankfort Rd. Bridge (Boone County, Indiana)
Built in 1886 by the Smith Bridge Company; replaced in 1987Lost Pratt through truss bridge over Sugar Creek on CR 500WReplaced by new bridge
Sugar Island Bridge (Old) (Kankakee County, Illinois)
Built 1902; Damaged by a Tornado in 1916 and likely replaced shortly thereafterLost Pratt through truss bridge over Iroquois River on RoadReplaced
Sugar Mill Creek CR 150S Bridge (Montgomery County, Indiana)
Built 1912 by the Elkhart Bridge & Iron CompanyLost Pony truss bridge over Sugar Mill Creek on County Road 150 SouthReplaced by new bridge
Sugar River Bridge (Winnebago County, Illinois)
Built 1922; rehabilitated 1988Through truss bridge over Sugar River on Harrison RoadOpen 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 CompanyPratt through truss bridge over Sulfur Fork on an old alignment of the Old Clarksville-Springfield Rd. in Port Royal State ParkOpen to pedestrians
Sulfur Fork Station Bridge (Robertson County, Tennessee)
Built by Champion Bridge CompanyPratt pony truss bridge over Sulfur Fork Creek on a private drivewayOpen to traffic
Sullins Road Bridge (Marion County, Alabama)
Built c. 1900, rehabilitated 1935, abandoned c. 2002Riveted Pratt through truss bridge over Bull Mountain Creek on Sullins RdAbandoned; bypass road has new bridge built c. 2002
Sullivan Road Bridge (Franklin County, Mississippi)
Built ca. 1940Through truss bridge over North Dry Creek on Sullivan RoadOpen to traffic
Sullivan's Ford Bridge (Jennings County, Indiana)
Built 1894; closed in 1974; replaced in 1976Lost Pratt through truss bridge over Vernon Branch Muscatatuck River on County Road 225 WestReplaced by a new bridge in 1976
Sulpher Heights Hill Bridge (Shelby County, Ohio)
Built 1886 by the Morse Bridge Co. of Youngstown, Ohio; rehabilitated 1982; replaced 2007Lost Pratt through truss bridge over Great Miami River on River Road (CR 40)Replaced by new bridge
Sulpher Ridge Road Bridge (Owen County, Indiana)
Built ca. 1900Lost Pratt pony truss bridge over Fish Creek on Sulpher Ridge Road (CR 550 West)Removed and replaced
Sulphur Creek Bridge (Washington County, Kentucky)
Built ca. 1920Pony truss bridge over Sulphur Creek on Sulphur Lick RoadOpen to traffic
Sulphur Fork Creek Bridge Apricot Road (Perry County, Indiana)
Built ca. 1895; Replaced 1988Lost Pratt through truss bridge over Sulphur Fork Creek on CR 37, Apricot RoadReplaced by a new bridge
Sumantown Road Bridge (Frederick County, Maryland)
Built ca. 1910; rehabilitated 1999Through truss bridge over Catoctin Creek on Sumantown RoadOpen to traffic
Summit Bridge (Old) (New Castle County, Delaware)
Lost Pratt through truss bridge over Chesapeake & Delaware Canal on Summit Bridge RoadBuilt in 1927; replaced by a new bridge in 1959
Sumner Road Bridge (Chariton County, Missouri)
Built 1925 by the Pan American Bridge Co.; relocated here in 1963Lost through truss bridge over Locust Creek on Sumner RoadReplaced by a new bridge
Sumner Street NS Overpass (closed) (Lucas County, Ohio)
Built 1904; rehabilitated 1921; closed to traffic, now trail to Union StationAbandoned pratt through truss bridge over NS Railroad on Sumner Street
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 1931-32Lost through truss bridge over Pomme de Terre River on 475th Road between the ends of Route Y and Route YYNo longer exists
Sunshine Drive Bridge (Jefferson County, Missouri)
Built 1934; replaced 2004Lost through truss over Joachim Creek on Sunshine Drive (Old Route A) in FestusRemoved to make room for new concrete bridge
Sunshine Road Bridge (Bell County, Texas)
Abandoned through truss bridge over Little River on Sunshine RoadAbandoned with approaches washed away and deck removed
Surprise Bridge (Meigs County, Tennessee)
Built 1917 by the Champion Bridge Co.; Bypassed by new bridge in 1982Abandoned bedstead Pratt pony truss bridge over Big Sewee CreekAbandoned
Surprise School Bridge (Henry County, Missouri)
Lost through truss bridge over South Grand River near Gaines, probably beyond the end of Route WDestroyed by the creation of Truman Reservoir
Susett Road Bridge (Warrick County, Indiana)
Built in 1897 by the Missouri Bridge & Iron WorksLost Pratt through truss bridge over Pigeon Creek on CR 750 NRemoved
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 1943Lost Pratt through truss and swing bridge over Susquehanna River on RoadRemoved but not replaced at exact site
Sutherland Bridge (Rio Grande County, Colorado)
Pratt pony truss bridge over Rio Grande on Unknown roadOpen to traffic
Sutherlin Ford Bridge (Putnam County, Indiana)
Built in 1906 by the Vincennes Bridge Co.Through truss bridge over Big Raccoon Creek on CR 1050 NorthBypassed 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 27No longer exists
SVT - Scotio River Bridge (Ross County, Ohio)
Built in 1904Lost 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)
Built 1912Pratt Through truss bridge over Rio Grande on Southwestern RailroadOpen
SW 520th Street Bridge (Johnson County, Iowa)
Rehabilitated 1989Pony truss bridge over Deer Creek on SW 520th StreetOpen to traffic
SW 63rd Street Bridge (Polk County, Iowa)
(Main design: Parker through truss)Built 1894'; Replaced 1964Lost Parker through truss bridge over Raccoon RiverReplaced by a new bridge
SW 9th Street Bridge (Polk County, Iowa)
Built 1892; Replaced 1967Lost Pratt through truss bridge over Raccoon RiverReplaced by a new bridge in 1967
Swain Ditch CR 100N Bridge (Jasper County, Indiana)
Built ca. 1895Pratt 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. 1900Lost Half-hip Pratt pony truss bridge over Swamp Creek on County Road 1100 EastReplaced by a new bridge
Swan Bridge (Fannin County, Georgia)
Replaced in 1989Lost Pratt through truss bridge over Toccoa RiverReplaced by new bridge
Swan River Bridge (Flathead County, Montana)
Built 1911Pratt through truss bridge over Swan River on CR 672 in BigforkOpen 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 1022Demolished and replaced.
Swede Gulch Bridge (Lewis and Clark County, Montana)
Built 1912 at Simms in Cascade County; Moved here in 1983.Pratt through truss bridge over Blackfoot River on Stone Campbell DriveOpen to authorized vehicles only
Sweetgrass Creek Bridge (Sweet Grass County, Montana)
Built 1910; rehabilitated 1964Pony truss bridge over Sweetgrass Creek on CR 014Open to traffic
Sweetland Center Road Bridge (Muscatine County, Iowa)
Built ca. 1894; Collapsed under heavy load 1936Lost Pratt pony truss bridge over Sweetland Creek on Sweetand Center RoadCollapsed
Sweetwater Creek Bridge (Rogers County, Oklahoma)
Built ca. 19301/2 a Pony truss bridge over Sweetwater Creek on N4150 in SequoyahOpen to traffic
Sweetwater Mill Bridge (Buffalo County, Nebraska)
Built 19095-panel pin-connected Pratt pony truss bridge over Mud Creek on Sweetwater Road at SweetwaterOpen to traffic
Swensrud Park Bridge (Worth County, Iowa)
Bedstead Pratt pony truss bridge over Shell Rock River on pedestrian trail in NorthwoodOpen to pedestrians
Swensrud Refuge Bridge (Worth County, Iowa)
Built ca. 1900Abandoned pratt through truss bridge over Shell Rock River on Abandoned road just off Mallard AvenueOpen to pedestrians only
Swift Run Lake Bridge (Miami County, Ohio)
Pony truss bridge over Swift Run Lake on a drivewayOpen to traffic
Swindell Bridge (Allegheny County, Pennsylvania)
Built 1930; rehabilitated 1990Cantilevered deck truss bridge over I-279 on Charles Street in PittsburghOpen to traffic
Swinging Creek Bridge (Spencer County, Indiana)
Built 1898; replaced 1994Lost pony truss bridge over Swinging Creek on 1300 EReplaced by new bridge
Swinney Park Footbridge (Allen County, Indiana)
Built in 1897 by the King Bridge Co. as a pedestrian bridge.Pratt through truss bridge over St Mary's River on Park trail in Fort WayneCurrently closed to pedestrians due to safety concerns. Funding being sought
Swinomish Slough Drawbridge (Skagit County, Washington)
Built 1909; Replaced 1927Lost Pratt through truss bridge over Swinomish sloughNo longer exists
Swisher Hill Bridge (De Witt County, Illinois)
Built 1911Through truss bridge over North Fork Salt Creek on TR 188 (1705E Rd.), 3.3 mi. northwest of DewittOpen to traffic
SWM - Center Creek Bridge (Old) (Jasper County, Missouri)
Built 1895; Replaced 1913Lost Pratt through truss bridge over Center Creek on Southwest Missouri Electric RailwayReplaced by a new bridge
SWM - Webb City Viaduct (Jasper County, Missouri)
Built 1906Lost Through truss bridge over MNA (former MoPac) Railway and a creek on former Southwest Missouri Electric RailwayLost
Sycamore Creek Bridge (Hamilton County, Texas)
Built 1911; Replaced 1997Lost pony truss bridge over Sycamore Creek on CR 288Replaced by new bridge
Sycamore Creek Bridge (Montgomery County, Kansas)
Built ca. 1920Through truss bridge over Sycamore Creek on CR 3300Open 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 13Replaced 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 RoadReplaced by a new bridge
Sylvan Island Bridge (Rock Island County, Illinois)
Built 1901 (Per Arsenal drawing RIA S162-1); 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 2017Lost Pratt through truss bridge over Sylvan Slough Taillrace on 2nd StreetReplaced by a MOB
Sylvan Slough Viaduct (Old) (Rock Island County, Illinois)
Built 1891; Replaced 1907Lost Pratt through truss bridge over Sylvan Slough on 24th StreetReplaced by a new bridge
Tait Bridge (Edwards County, Illinois)
Built 1893Through truss bridge over Little Wabash River on CR 100N/TR 229, 6.5 mi. west of GrayvilleAbandoned with deck missing
Tallahatchie River Bridge (Panola County, Mississippi)
Built 1940Through truss bridge over Tallahatchie River on MS 6 / US 278 west of BatesvilleOpen to two-lane traffic
Tallapoosa River Bridge (Cleburne County, Alabama)
Pratt through truss bridge over Tallapoosa River on CR 72North approach collapsed in-place
Talley's Bridge (Greenville County, South Carolina)
Lost Pratt through truss bridge over South Saluda River on Talley Bridge RoadReplaced by a new bridge
Tallman Road Bridge (Clinton County, Michigan)
Built 1880; Replaced 1996Lost Pratt through truss bridge over Looking Glass River on Tallman Road in EagleReplaced by new bridge
Taloga Bridge (Dewey County, Oklahoma)
Built ca. 1900Lost Half-hip Pratt pony truss bridge over South Canadian River on US 183No longer exists
Tanners Bridge (Walton County, Georgia)
Built 1918Pratt through truss bridge over Apalachee River on Tanners Bridge RoadAbandoned
Tanners Falls Bridge (Wayne County, Pennsylvania)
Built 1885Pony truss bridge over West Branch Dyberry Creek on PA 4017Closed to all traffic
Tannery Bridge (Pocahontas County, West Virginia)
Built 1895Pratt through truss bridge over East Fork Greenbrier River on CR 250/2 in DurbinOpen to traffic
Taos Junction Bridge (Taos County, New Mexico)
Built 1930Through truss bridge over Rio Grande on NM 567Replaced by a new bridge
Tarentum Bridge (Allegheny County, Pennsylvania)
Built 1949; rehabilitated 1986Deck truss bridge over Allegheny River in TarentumOpen to traffic
Tarkio River Bridge (Montgomery County, Iowa)
Built 1949Through truss bridge over Tarkio River on CR H46 (250 Street)Open to traffic
Taunton River Bridge (Bristol County, Massachusetts)
Lost Pratt through truss bridge over Taunton River on Plain StreetNo longer exists
Taylor Bridge (Cole County, Missouri)
Built 1922 in Lafayette County and relocated and erected here in 1956 with new approach spansLost through truss bridge over South Moreau Creek on Route DReplaced by a new bridge
Taylor Bridge (Old) (Cerro Gordo County, Iowa)
Built 1887; Replaced 1924Lost Pratt through truss bridge ober Winnebago River on US18Replaced by a new bridge
Taylor Hollow Road Bridge (Dubois County, Indiana)
Built ca. 1910; Replaced 1986Lost Pratt pony truss bridge over Anderson River on Taylor Hollow RoadReplaced by a new bridge
Taylor Street Bridge (Allen County, Indiana)
Built ca. 1890Lost Pratt through truss bridge over St. Marys River on Taylor StreetReplaced by a new bridge
Taylor's Crossing (Bonneville County, Idaho)
Built ca. 1864; Condemed 1889Lost Wooden half-hip Pratt pony truss bridge over Snake River on Broadway StreetReplaced by a new bridge
Taylor's Mill Road Bridge (Pittsylvania County, Virginia)
Built 1915 by the Virginia Bridge & Iron Company; Relocated here in 1944Through truss bridge over Whitehorn Creek on Taylor's Mill RoadReplaced by a new bridge
Taylors Mill Bridge (Talladega County, Alabama)
Built 1910Pratt through truss bridge over Talladega Creek on County Road 303Intact but closed to all traffic
Tazlina Bridge (Valdez-Cordova Census Area, Alaska)
Built 1917; replaced 1973Lost Pratt through truss bridge over Tazlina River on Richardson HighwayReplaced by a new bridge
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