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.
North Big Creek Bridge (Coffey County, Kansas)
Likely built ca. 1910. Possibly rehabilitated in 1925.Pratt pony truss bridge over North Big Creek on Fauna Road, 3.5 mi. north and 1.0 mi. east of GridleyClosed to all traffic
North Big River Bridge (St. Francois County, Missouri)
Built 1924; made obsolete by new bridge in 1956Through truss bridge over Big River on Old US 67 (Berry Road) north of Bonne TerreDemolished
North Boat Ditch Bridge (Clark County, Arkansas)
Built ca. 1928Through truss bridge over North Boat Ditch on CR 8Open to one-lane traffic
North Boggy Creek Bridge (Atoka County, Oklahoma)
Built 1920Pony truss bridge over North Boggy Creek on E1660 Rd.Open to traffic
North Boggy Creek Bridge (Atoka County, Oklahoma)
Built 1916; Replaced 2014Pony truss bridge over North Boggy Creek on E1680Replaced by a new bridge
North Bosque River Bridge (Erath County, Texas)
Built 1921Pratt through truss bridge over North Bosque River on CR 270Open to traffic
North Branch Creek Bridge (Lincoln County, Oklahoma)
Built 1913Pony truss bridge over North Branch Creek on E0840 Rd.Open to traffic
North Branch Potomac River Bridge (Grant County, West Virginia)
Built 1896Pratt Through Truss over North Branch Potomac River on CR 90/2 in BayardDemolished and replaced.
North Branch White Rock Cr. Bridge (Smith County, Kansas)
Built ca. 1910Bedstead Pony truss bridge over North Branch White Rock Cr., 0.5 mi. north and 7.5 mi. east of CoraRemoved but not replaced
North Bridge (Kossuth County, Iowa)
Lost Pratt through truss bridge over Des Moines RiverReplaced by a new bridge
North Bridge (Butler County, Iowa)
Replaced 1915Lost Pratt through truss bridge over Beaver Creek on IA 14Replaced by a new bridge
North Bridge (Winnebago County, Iowa)
Lost Pratt through truss bridge over Winnebago River on RoadReplaced by a new bridge
North Bridge (Fayette County, Iowa)
Lost Pratt through truss bridge over Little Volga River on 1st StreetReplaced by a new bridge
North Bridge (Williams County, Ohio)
Built ca. 1890's by the Massillon Bridge CompanyLost Bridge over St. Joseph River on North Moore StreetNo longer exists
North Bridge (Harrison County, Indiana)
Built ca. 1890; Replaced 1959Lost Pratt through truss bridge over Indian Creek on North Market Street (Old SR 337)Replaced by new bridge
North Camp Creek Bridge (Mercer County, Illinois)
Lost Pony truss bridge over North Camp Creek on 150th AveNo longer exists
North Canadian River Bridge (Blaine County, Oklahoma)
Built 1915. This bridge may have carried OK 51 for a time.Through truss bridge over North Canadian River on E0660Open to traffic
North Canadian River Bridge (Canadian County, Oklahoma)
Built 1925Through truss bridge over North Canadian River on N2830 (Old US 81) in El RenoIntact but closed to all traffic
North Caney Creek Bridge (Chautauqua County, Kansas)
Built ca. 1910, demolished and replaced 2008.Lost through truss bridge over North Caney Creek, 2.0 mi. north and 2.0 mi. east of PeruLost
North Cedar Creek Bridge (Jefferson County, Kansas)
Pratt pony truss bridge over North Cedar CreekIn use on a farm lane, possible old road alignment
North Chester Village Bridge (Hampden County, Massachusetts)
Built 1887 Middle Branch Westfield River on Smith Road in Chester but recently (2009) relocated to UMass Amherst to be reused as a pedestrian bridgePratt pony truss bridgeIn storage
North Cut Ditch Bridge (Scott County, Missouri)
Built 1923; rehabilitated 1941; demolished 2019Lost through truss bridge on MO 77 over North Cut Ditch northwest of DiehlstadtDemolished
North English River Bridge (Iowa County, Iowa)
Built ca. 1960Through truss bridge over North English River on Poweshiek-Iowa RoadOpen to traffic
North Fabius River CR 961 Bridge (Scotland County, Missouri)
Built ca. 1915Pony truss bridge over North Fork of North Fabius River on CR 961Intact but closed to all traffic
North Fabius River MO 16 Bridge (Lewis County, Missouri)
Built 1930, replaced 2017Lost through truss bridge over North Fabius River on MO 16Replaced by a new bridge
North Farmer Street Bridge (Allegan County, Michigan)
Built during 1880's; Replaced 1938Lost Pratt through truss bridge over Kalamazoo River on North Farmer StreetReplaced by a new bridge
North Forest Street Overpass (Spartanburg County, South Carolina)
Built 1913Through truss bridge over SCL Railroad on N. Forest Street in SpartanburgOpen to traffic
North Fork Branch Prairie Creek CR 575E (Daviess County, Indiana)
Built ca. 1905; Replaced 1990Lost Pratt pony truss bridge over North Fork Branch Prairie Creek on CR 575 EReplaced by a new bridge
North Fork Bridge (Bracken County, Kentucky)
Built 1883 by the Smith Bridge Company; Replaced 1983Lost Pratt through truss bridge over North Fork of Licking River on Kentucky State Route 539Bridge has been replaced.
North Fork Coal Creek CR 950W Bridge (Montgomery County, Indiana)
Built ca. 1900Lost Pratt pony truss bridge over North Fork Coal Creek on County Road 950 WestReplaced by a new bridge
North Fork CR 740E Bridge (Fountain County, Indiana)
Built ca. 1895Lost Pratt through truss bridge over North Fork of Coal Creek on County Road 740 EastReplaced by a new bridge
North Fork East River Bridge (Bonner County, Idaho)
Built 1939Through truss bridge over North Fork East River on East River LoopOpen to traffic
North Fork Elkhorn River Bridge (Pierce County, Nebraska)
Built 1915Pony truss bridge over North Fork Elkhorn River on a 552nd Avenue, 1 mi. south and 2 mi. east of PierceOpen to traffic
North Fork Fabius MO 15 Bridge (Knox County, Missouri)
Built 1923; demolished July 2012Lost Pratt through truss bridge over North Fork Fabius River on MO 15Replaced by a new bridge
North Fork Little Nemaha River Bridge (Otoe County, Nebraska)
Built 1911Pony truss bridge over North Fork Little Nemaha River on CR-G, 2 mi. north and 5.8 mi. east of SyracuseClosed to all traffic
North Fork Little Osage River Bridge (Anderson County, Kansas)
Pony truss bridge over North Fork Little Osage River, 1.1 mi. east and 1.0 mi. south of KincaidOpen to pedestrians only
North Fork Mill Creek Bridge (Washington County, Kansas)
Built ca. 1910Lost pony truss bridge over North Fork Mill Creek on C-11.8 63, 0.8 mi. south and 1.5 mi. west of HaddamLost
North Fork Mill Creek Bridge (Republic County, Kansas)
Built ca. 1910Pony truss bridge over N. Fork Mill Creek, 3.0 mi. south and 3.0 mi. east of MundenClosed to all traffic
North Fork MO 126 Bridge (Barton County, Missouri)
(Main design: Pratt pony truss)Built 1954; Replaced 2011Three-span pony truss bridge over North Fork Spring River on MO 126Replaced by a new bridge
North Fork Musselshell River Bridge (Meagher County, Montana)
Pratt pony truss bridge over North Fork Musselshell River on a driveway/ranch roadOpen to authorized vehicles only
North Fork Pigeon Creek CR 950N (Warrick County, Indiana)
Built ca. 1905; Replaced 1987Lost Bedstead Pratt pony truss bridge over North Fork Pigeon Creek on CR 950N, Chinn Rd.Replaced by a new bridge
North Fork Route M Bridge (Jasper County, Missouri)
Built 1949; replaced 2011Lost pony truss bridge over North Fork Spring River on Route M (Baseline Road) in CarytownReplaced by a new bridge
North Fork Stranger Creek Bridge (Atchison County, Kansas)
Built 1965Lost pratt pony truss bridge over North Fork of Stranger Creek, 1.5 mi. north and 2.1 mi. east of EffinghamReplaced by a new bridge
North Gypsum Creek Bridge (McPherson County, Kansas)
Built 1902 by the Kansas City Bridge Co.Bedstead pony truss bridge over North Gypsum Creek on Sioux Road, 2.8 mi. west and 10.4 mi. north of CantonIntact but closed to all traffic
North Halsted Street Bridge (Old) (Cook County, Illinois)
Built 1909Bascule bridge over North Branch Chicago River Canal on N. Halsted Street in ChicagoDemolished and replaced
North Loup Bridge (Valley County, Nebraska)
Built 1912Pratt through truss bridge over North Loup River on Coll 34cOpen to pedestrians only
North Main Street Bridge (Madison County, Missouri)
Replaced 1945Lost pony truss bridge over Saline Creek on North Main Street in FredericktownReplaced by a new bridge
North Mayo River Bridge (Henry County, Virginia)
Built 1922 by the Champion Bridge Co.Pratt pony truss bridge over North Mayo River on Log Manor Rd (Route 630)Replaced by a new bridge
North Mud Lake Bridge (Fulton County, Indiana)
Replaced 1938Lost Pratt pony truss bridge over North Mud Lake on County Road 650 South.Replaced by new bridge
North Myrtle Park Bridge (Douglas County, Oregon)
Built 1965Pratt through truss bridge over North Myrtle Creek on County Park RoadOpen to traffic
North Omaha Creek Bridge (Thurston County, Nebraska)
Built 1905Lost Bedstead Pony truss bridge over North Omaha Creek on 26th Road, 3 mi. south and 3 mi. west of WinnebagoReplaced by a new bridge
North Omaha Creek Bridge (Thurston County, Nebraska)
Built ca. 1935Pony truss bridge over North Omaha Creek on H Avenue (Thurston Road), 1 mi. northwest of WalthillOpen to traffic
North Park Bridge (Kent County, Michigan)
Build 1903; Altered 1933; Replaced 1991Lost Pratt through truss bridge over Grand River on North Park Street in Grand RapidsReplaced by new bridge
North Poes Road Bridge (Rappahannock County, Virginia)
Built 1935Pony truss bridge over Jordan River on North Poes Road (Rt 637)Open to traffic
North Railroad Street Bridge (Rush County, Indiana)
Built 1901 by the New Castle Bridge Co.Through truss bridge over Little Flatrock River on North Railroad StreetClosed to all traffic
North River Bridge (Madison County, Iowa)
Built ca. 1920; rehabilitated 1969Pratt Through truss bridge over North River on Wind Wood TrlOpen to traffic
North River Bridge (Marion County, Missouri)
Lost through truss bridge over North River somewhere near PalmyraNo longer exists
North River Bridge (Madison County, Iowa)
Built ca. 1920; rehabilitated 1967Through truss bridge over North River on North River TrailOpen to traffic
North River Bridge (Rockingham County, Virginia)
Two trusses moved to this location in 1961 from other locations (one nearby in Rockingham Counthy and one in Page County). Spans date ca. 1916Pratt through truss bridge over North River on Airport Rd (Route 727)Replaced by a new bridge
North River Bridge (Madison County, Iowa)
Built ca. 1930; rehabilitated 1948Through truss bridge over North River on CR P48 (Adair-Madison Avenue)Open to traffic
North River Bridge (Madison County, Iowa)
Built 1909Pony truss bridge over North River on Elmwood Avenue (Elmwood Ave)Open to traffic
North River Bridge (Old) (Madison County, Iowa)
Built 1912; Replaced 1962Lost Pratt pony truss bridge over North River on Creamery RoadReplaced by a new bridge
North River CR 175 Bridge (Marion County, Missouri)
Built ca. 1910Through truss bridge over North River on CR 175Open to traffic
North River CR 2322 Bridge (Shelby County, Missouri)
Built ca. 1910; Replaced 2014Pony truss bridge over North River on CR 2322Replaced by a new bridge
North River MO 168 Bridge (Marion County, Missouri)
Built 1932 by the Vincennes Bridge Co.; Demolished 2012Four-span through truss bridge over North River on MO 168, west of PalmyraReplaced by a new bridge
North Skunk River Bridge (Jasper County, Iowa)
Pratt pony truss over North Skunk River on River StreetReplaced by a new bridge
North Spring Street Bridge (Old) (Los Angeles County, California)
Built 1881; Trolley tracks removed 1918; Replaced 1928Lost Pratt deck truss bridge over Los Angeles River on North Spring Street & Los Angeles RailwayReplaced by a new bridge
North Stillwater Creek Bridge (Payne County, Oklahoma)
Built 1927; replaced 2002Lost pony truss bridge over North Stillwater Creek on Airport RoadReplaced by concrete beam bridge in 2002
North Street Bridge (Somerset County, Pennsylvania)
Built ca. 1890 by the Groton Bridge Co.Through truss bridge over Flaugherty Creek on North Street in MeyersdaleOpen to all traffic
North Street Bridge (Allegan County, Michigan)
Built 1907; Collapsed May 16, 1979Lost Two-Span Pratt pony truss bridge over Kalamazoo River on N. North StreetDestroyed May 16, 1979 due to overweight truck attempting to cross
North Sylamore Creek (Barkshed) (Stone County, Arkansas)
Bridge over North Sylamore Creek on Barkshed RdDecent shape, though the deck could use a little repair
North Toe Bridge (NC 1314) (Yancey County, North Carolina)
(Main design: Camelback through truss)Built ca. 1910, replaced 1986Lost Camelback and Pratt through truss bridge over North Toe River on NC 1314Replaced by a new bridge
North Umpqua River Bridge (Douglas County, Oregon)
Built 1955, Replaced 2010Pratt through truss bridge over North Umpqua River on Soda Springs RoadReplaced by a new bridge in 2010
North Wea Creek Bridge (Miami County, Kansas)
Built ca. 1910Pony truss bridge over North Wea Creek, 4.3 mi. west and 2.0 mi. north of LouisburgReplaced by a new bridge
North Wyaconda River Route H Bridge (Scotland County, Missouri)
Built 1939; closed to traffic 10/23/14 and replacedLost pony truss bridge over North Wyaconda River on Route HReplaced by a new bridge
Northern Avenue Bridge (Suffolk County, Massachusetts)
(Main design: Pratt through truss)Built 1908, rehabilitated 1979, closed to vehicles 1997, closed to pedestrians 2014Pratt through truss bridge over Fort Point Channel on Northern AvenueIntact but closed to all traffic
Northern Pacific Bridge #9 (Hennepin County, Minnesota)
Built 1922, Using rebuilt 1885 Trusses; Railroad use of the bridge ended in 1981,in 1999 the bridge was opened to bicycles and pedestriansPratt deck truss bridge over Mississippi River on Northern Pacific Railroad (now pedestrian trail) in MinneapolisOpen to pedestrians
Northport Bridge (Old) (Stevens County, Washington)
(Main design: Baltimore through truss)Built 1897; Coverted to road use 1921-22; Condemned & closed October 5th, 1946, Collapsed 1949Lost Through truss bridge over Columbia River on WA 25 (Former Columbia & Red Mountain Railroad)Collapsed
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