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.
BNSF - Hamilton Creek Bridge (Skamania County, Washington)
Pratt through truss bridge over Hamilton Creek on Burlington Northern - Santa Fe RailroadOpen to traffic
BNSF - Hassayampa River Bridge (Maricopa County, Arizona)
Built 1930 for Atchison, Topeka & Santa Fe RR by American Bridge Co.Pratt through truss bridge over Hassayampa River (Wash) on BNSF Railway (former AT&SF RR)Open to traffic
BNSF - Heart River Bridge (W) (Morton County, North Dakota)
Built 1905, Approaches Rebuilt 1999Through truss bridge over Heart River on BNSF RailwayOpen to traffic
BNSF - Hollywood Beach Bridge (Jefferson County, Missouri)
Built 1903Three-span through truss bridge over the Meramec River on the BNSF Railway in ArnoldOpen to railroad traffic
BNSF - I-25 Overpass (Natrona County, Wyoming)
Built 1958 using a secondhand trussThrough truss bridge over I-25 on the BNSF Railway in CasperOpen to traffic
BNSF - Java Trestle (Flathead County, Montana)
Pratt deck truss bridge over Middle Fork Flathead River & Java Creek on BNSF Hi-Line SubdivisionOpen to traffic
BNSF - Kansas River Bridge (Topeka) (Shawnee County, Kansas)
Built 1909, 2 Spans Replaced 1952, Lengthened 1968Through truss bridge over Kansas River on the BNSF Railway in TopekaOpen to traffic
BNSF - La Grange Bridge (Lewis County, Missouri)
Built 1894Pratt through truss bridge over Wyaconda River on BNSF RailwayOpen to traffic
BNSF - Lake Springfield Bridge (Greene County, Missouri)
Built in the early 1950's with the creation of Lake Springfield by the Frisco RailroadThrough truss bridge over Lake Springfield on BNSF (formerly Frisco/BN) Railway in SpringfieldOpen to traffic
BNSF - Little Falls Bridge (N) (Morrison County, Minnesota)
Built 1891; east span collapsed in train wreck in 1974- replaced with 1900 Warren truss span; still serves trafficBridge over Mississippi River on BNSF RailroadOpen to traffic
BNSF - Manning Viaduct (Carroll County, Iowa)
Built 1913Pratt through truss bridge over Center Street, West Nishnabota River & removed CGW on BNSF RailwayOpen to traffic
BNSF - Miller River Bridge (King County, Washington)
Built 1916Pratt through truss bridge over Miller River on BNSF RailwayOpen to traffic
BNSF - Naches River Bridge (Yakima County, Washington)
Built 1906; Approaches Updated 1918 and 1948Pratt through truss bridge over Naches River on BNSF Railway in YakimaOpen to traffic
BNSF - Oregon Bridge (West Channel) (Ogle County, Illinois)
Built 1892, Deck Girders added LaterThrough truss bridge over Rock River on BNSF Railway in OregonOpen to railroad traffic
BNSF - Platte River Bridge (Cass County, Nebraska)
Baltimore through truss bridge over Platte River on Railroad (BNSF)Open to traffic
BNSF - Plattsmouth Railroad Bridge (Cass County, Nebraska)
(Main design: Pennsylvania through truss)Built 1903, West Approach Rebuilt 1976Pennsylvania through truss bridge over the Missouri River on the BNSF Railway at PlattsmouthOpen to traffic
BNSF - Post Oak Creek Bridge (Comanche County, Oklahoma)
Pratt through truss bridge over Post Oak Creek on Frisco RailroadAppears to be abandoned?
BNSF - Rainbow Falls Bridge (Cascade County, Montana)
Built 1901Pratt deck truss bridge over Missouri River on BNSF RailroadOpen to traffic
BNSF - Red Lake River Bridge (Polk County, Minnesota)
Built 1892, Second Span Added 1906, 1892 Span Removed Date UnknownPratt Through Truss Bridge over Red Lake River in CrookstonOpen to traffic
BNSF - Red River Bridge (Love County, Oklahoma)
Construction Began 1902, Completed 1909Six span Pratt Through truss bridge over Red River on BNSF RailwayOpen to traffic
BNSF - Rock Creek Bridge (Skamania County, Washington)
Pratt through truss bridge over Rock Creek on Railroad (BNSF)Open to traffic
BNSF - S&S Canal Bridge (Cook County, Illinois)
Built 1898Two track Pratt through truss bridge over Sanitary & Ship Canal on BNSF (former Santa Fe) RailroadOpen to traffic
BNSF - Saline Creek Bridge (Ste. Genevieve County, Missouri)
Through truss railroad bridge over Saline Creek parallel to US 61 north of St. MaryStill in use
BNSF - Salt Creek Bridge (Ashland West) (Saunders County, Nebraska)
Built Ca. 1908, Approaches Rebuilt 1952; Replaced 2018Pratt through truss bridge over Salt Creek on BNSF RailwayReplaced by a new bridge
BNSF - Salt Fork Bridge (Kay County, Oklahoma)
Built 1899; Replaced 2014Pratt through truss bridge over Salt Fork Arkansas River on BNSF Railway (former Santa Fe Railroad)Replaced by a new bridge
BNSF - Salt River Bridge (Shelby County, Missouri)
Pratt deck truss bridge over Salt River on BNSF RailwayOpen to traffic
BNSF - Santa Margarita River Bridge (San Diego County, California)
Originally built in 1918, but the center span was washed out in a flood and replaced in 1926; Replaced 2014Pratt through truss bridge over Santa Margarita River on BNSF/MTSD/AmtrakDemolished
BNSF - Sibley Railroad Bridge (Jackson County, Missouri)
(Main design: Pennsylvania through truss)Built 1915Pennsylvania through truss bridge over Missouri River on BNSF RailwayOpen to traffic
BNSF - Skunk River Bridge (Henry County, Iowa)
Built 1899Pratt deck truss bridge over Skunk River on BNSF RailwayOpen to traffic
BNSF - Skunk River Bridge (Des Moines County, Iowa)
Built 1910Through truss bridge over Skunk River on BNSF RailwayOpen to traffic
BNSF - Snohomish River Swing Bridge (Snohomish County, Washington)
Built 1912Abandoned through truss bridge over Snohomish River on Former Northern Pacific RailroadDerelict/abandoned
BNSF - St. Cloud Crossing (Stearns County, Minnesota)
Built in 1892 as part of the Great Northern Railroad. Rehabilitated in 1922. Changed hands in 1970, 1996, and again in 2000. Still serves traffic as part of a short line going through St. CloudPratt deck truss bridge over Mississippi River on BNSF RailroadOpen to traffic
BNSF - Stanislaus River Bridge (Stanislaus County, California)
Built 1905, Truss span replaced with deck girder ca. 1995Lost Pratt through truss bridge over Stanislaus River on BNSF Railway
BNSF - Terry Overpass (Prairie County, Montana)
Built 1907Pratt pony truss bridge over Railroad (BNSF) on Railroad (BNSF)Open to traffic
BNSF - Toutle River Bridge (Cowlitz County, Washington)
Built 1908Pratt through truss bridge over Toutle River on B.N.S.F. RailroadOpen to traffic
BNSF - Trinity River Swing Bridge (Liberty County, Texas)
(Main design: Deck plate girder)Built 1903Pratt Through Truss and Deck girder swing bridge over Trinity River on BNSF RailwayOpen to traffic
BNSF - Turkey Creek Bridge (Gage County, Nebraska)
Built 1895, Approach replaced 2013Pratt through truss bridge over Turkey Creek on BNSF RailwayOpen to traffic
BNSF - Victorville Bridge (San Bernardino County, California)
Built 1914, Warren Span added 1921Pratt through truss bridge over Mojave River on BNSF RailroadOpen to traffic
BNSF - Wakenda Creek Bridge (Carroll County, Missouri)
Built 1907, Approaches Rebuilt 2011Pratt Through truss bridge over Wakenda Creek on BNSF RailwayOpen to traffic
BNSF - Walnut River Bridge (S) (Cowley County, Kansas)
Built 1904, Parallel Span added 1919, Approaches Rebuilt 1922; 1919 Span Removed 19xxPratt Through truss bridge over Walnut River on BNSF RailwayOpen to traffic
BNSF - Walnut River Bridge (W) (Cowley County, Kansas)
Built 1905, Second Track added 1919; North Approach Rebuilt Ca. 2003Pratt through truss bridge over Walnut River on BNSF RailwayOpen to traffic
BNSF - Washougal River Bridge (Old) (Clark County, Washington)
Built 1908; Replaced 2017Pratt through truss bridge over Washougal River on Railroad (BNSF)Replaced by a new bridge
BNSF - Wind River Bridge (Skamania County, Washington)
Erected ca. 1919, replaced with new span August 2019Pratt through truss bridge over Wind River on Railroad (BNSF)Replaced by a new bridge
BNSF - Yakima River Bridge #4 (Kittitas County, Washington)
Built 1903, West Span Replaced 1942Through truss bridge over Yakima River on BNSF RailwayOpen to traffic
BO - Arthur Kill Bridge (Richmond County, New York)
Built 1889; replaced 1959Lost Through truss bridge over Arthur Kill Creek on former Baltimore & Ohio RRReplaced by a new bridge
BO - Harmar Bridge (Washington County, Ohio)
Built 1913; Donatd by B&O and converted to pedestrian use 1962; Rehabbed in 2007Pratt through truss bridge with manual swing draw span over Muskingum River on Railroad now pedestrian onlyClosed to all traffic.
BO - Herrs Island Bridge (Old) (Allegheny County, Pennsylvania)
Built 1884; Replaced 1921Lost Pratt through truss bridge over Allegheny River on Baltimore & Ohio RailroadReplaced by a new bridge
BO - Little Kanawha River Bridge (Old) (Wood County, West Virginia)
(Main design: Whipple through truss)Built 1883; Replaced 1924Lost Whipple through truss bridge over Little Kanawha River on RailroadReplaced by a new bridge
BO - Scioto River Bridge (Ross County, Ohio)
Destroyed by flooding in the late 1990sLost Bridge over Scioto River on Baltimore & Ohio RailroadDestroyed by flooding
BO - Sleepy Creek Bridge (Morgan County, West Virginia)
Lost Pratt through truss bridge over Sleepy Creek on Baltimore & Ohio RailroadReplaced by a new bridge
BO - Wabash River Bridge (Knox County, Indiana)
Destroyed by flooding in 1913 and replacedLost Pratt through truss bridge over Wabash River on Baltimore & OhioDestroyed by flooding
BO - Wilkins-Rogers Flour Mill Bridge (Baltimore County, Maryland)
Built c1880s to replace earlier covered bridge built c1830Pratt through truss bridge over Patapsco River on B&O RailroadIntact but closed to all traffic since 1972 flooding
BO Southern Bridge (Lawrence County, Indiana)
Built 1893; Removed 1923Lost Deck truss bridge over White River East Fork on B&O Southern RailroadOnly pillars remain
Board Camp Creek Bridge (Polk County, Arkansas)
Built 1915, replaced 2015Pony truss bridge over Board Camp Creek on CR 657Replaced by a new bridge
Boardwalk Bridge (Linn County, Missouri)
Pratt through truss bridge over Locust Creek on a pedestrian trail in Pershing State ParkOpen to pedestrians only
Boat Dock Road Bridge (Madison County, Alabama)
Built 1925Through truss bridge over Aldridge Creek on Boat Dock Road in HuntsvilleClosed to traffic
Bob Moore Senior Bicycle Bridge (Floyd County, Georgia)
Dedicated to the memory of Robert L. (Bob) Moore, Sr., Rome native and bicycle shop ownerPratt through truss bridge over Etowah River in Rome, GeorgiaOpen to pedestrians only
Bobtown Bridge (Webster County, Iowa)
Built 1876; Replaced 1919Lost Pratt through truss bridge over Des Moines River on Hawkeye AvenueReplaced by a new bridge
Bodines Bridge (Lycoming County, Pennsylvania)
Built 1890 by E.A. Perkins & Co.; replaced 1991Lost through truss bridge over Lycoming Creek on SR 1006Replaced by new bridge
Boeuf River US 82 Bridge (Chicot County, Arkansas)
Replaced 1950Lost pony truss bridge over Boeuf River on US 82No longer exists
Boggs Creek Bridge (Martin County, Indiana)
Built 1897; replaced 2005Lost pony truss bridge over Boggs Creek on CR 400 North (CR66)Replaced by new bridge
Boggy Creek Bridge (Rogers County, Oklahoma)
Abandoned pratt through truss bridge over Boggy Creek on former alignment of Keetonville RdDerelict/abandoned
Bogle Road Bridge (Warren County, Kentucky)
Lost pony truss bridge over R J Corman Railroad on Bogle RoadReplaced by a new bridge
Bohemian Highway Bridge (Sonoma County, California)
Built 1934Pratt Pony truss bridge over Russian River on Bohemian Highway in Monte RioOpen to traffic
Bois D'Arc Bridge (Butler County, Kansas)
Built 1885Through truss bridge over Little Walnut River, 3.8 mi. east and 0.5 mi. north of GordonClosed. Formerly open to traffic with a 6'6" height restriction.
Bois D'Arc Creek Bridge (Kay County, Oklahoma)
Built ca. 1940; replaced 2014Lost pony truss bridge over Bois D'Arc Creek on E0130Replaced by a new bridge
Bois D'Arc Creek Bridge (Kay County, Oklahoma)
Built ca. 1930; replaced 2013Lost pony truss bridge over Bois D'Arc Creek on W. Peckham Road (3618C)Replaced by a new bridge
Boise River Greenbelt - 9th Street Bridge (Ada County, Idaho)
Built 1911; Converted to pedestrian use 1988Pratt through truss bridge over Boise River on Boise River Greenbelt (an old alignment of 9th Street)Open to pedestrians
Bolckow Bridge (Andrew County, Missouri)
Lost through truss bridge over One Hundred and Two River near BolckowNo longer exists
Bolivia Road Bridge (Sangamon County, Illinois)
(Main design: Parker through truss)Built 1901Parker through truss bridge over Sangamon River on Bolivia Road (TR 518)Intact but closed to all traffic
Bolley Ditch CR 1400N Bridge (Miami County, Indiana)
Built ca. 1905Lost Pratt pony truss bridge over Bolley Ditch on County Road 1400 NorthReplaced by a new bridge
Bonaparte Bridge (Van Buren County, Iowa)
Built 1877, Replaced 1960Lost Pratt through truss bridge over Des Moines River on RoadReplaced by a new bridge
Bones Creek Bridge (Bates County, Missouri)
Built 1911 by the Vincennes Bridge Co.; replaced 2001Lost two-span pony truss bridge over Bones Creek on Whoopie Road (3502 Road)Replaced by new bridge
Bonnell Bridge (Dearborn County, Indiana)
Built in 1914 by the Oregonia Bridge Company, replaced 1999Lost Pratt through truss bridge over West Fork Tanners Creek on Konradi RoadReplaced by a new bridge
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