There are 8,353 bridges in this category · Only showing 6,323 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.
Blue River Bridge (Bryan County, Oklahoma)
Built in 1921 with Federal Aid Project fundingPratt through truss bridge over Blue River on old US Highway 70Open to traffic
Blue River-Big Springs Road Bridge (Washington County, Indiana)
Built ca.1895; replaced 1996Lost through truss bridge over South Fork Blue River on Big Springs RoadReplaced by new bridge
Blue Springs Bridge (Gage County, Nebraska)
Lost Pratt through truss bridge over Big Blue River on Broad StreetReplaced by a new bridge
Bluff Canal Bridge (Adams County, Illinois)
UnknownAbandoned pony truss bridge over Bluff Canal on Abandoned RoadDerelict/abandoned
Bluff Canal Bridge (Adams County, Illinois)
Pony truss bridge over Bluff Canal on Private Drive (CR2923rd Ln)Open
Bluff Canal Bridge TR 9 (Adams County, Illinois)
Built 1905Pony truss bridge over Bluff Canal on CR N2900th, 2.0 mi. west of LimaClosed; 3 feet of each each has been peeled back; blocked off.
Bluff Hall Bridge (Adams County, Illinois)
Built 1905; made obsolete by new bridge in 1941Pony truss bridge over Harkness Creek at Bluff Hall just off IL 57Bridge Removed and Replaced with Concrete Culvert.
Blythe Bridge (Riverside County, California)
Truss bridge in same location of current highway bridgeLost Pratt through truss bridge over Colorado River on/near current location of US Hwy 10Replaced by new bridge
BM - Green River Bridge (Franklin County, Massachusetts)
Built 1876Lost Pratt deck truss bridge over Green River on Boston & Maine RailroadReplaced by a new bridge
BM - Hillsborough Covered Bridge (Hillsborough County, New Hampshire)
(Main design: Town lattice truss)Built 1903; Pier washed out 1938; Abandoned 1979; Destroyed 1985.Lost Town lattice truss bridge over Contoocook River on Boston & Maine RRDestroyed by arsonists in 1985
BM&NW - Iowa River Bridge (Louisa County, Iowa)
Built 1898; Abandoned and likley removed 1927Lost Pratt through truss bridge over Iowa River on Muscatine, Burlington, & Southern RailroadRemoved, substructure encased in concrete for a road bridge's substructure.
BN - 15th Street Bridge (Pierce County, Washington)
Built 1914; Abandoned 1973 due to damage from an erroneously routed Boeing load, likely removed shortly thereafter.Lost Pratt through truss bridge over Foss Waterway on Burlington Northern RailroadRemoved but not replaced
BN - Alton Bridge (Madison County, Illinois)
Built 1892-94 under the direction of George S. Morison. Railroad line abandoned in 1988.Lost through truss swing bridge over the Mississippi River on the Burlington Northern Railroad at AltonRemoved after the railroad line was abandoned
BN - Snoqualmie Weyerhaeuser Mill Bridge (King County, Washington)
Built 1896 in Wisconsin; Re-erected here 1916; Howe truss replaced in kind 1925; Howe truss replaced w/ DPGs 1955; Sold to Northwest Railway Museum 1975; DPGs destroyed by flooding 1990; Sold to King County for rail reuse 1994; Scrapped 2005Lost Pratt through truss bridge over Snoqualmie River on Burlington Northern Railroad (Nee Northern Pacific Railroad)Removed by USACE
BNSF - Atchison Swing Bridge (Atchison County, Kansas)
(Main design: Pratt through truss)Built 1900Through truss swing bridge over the Missouri River on the BNSF Railway at AtchisonOpen to traffic
BNSF - Big Horn River Bridge (Big Horn County, Montana)
Pratt through truss bridge over Big Horn River on Burlington Northern and Santa Fe Railway
BNSF - Big Sioux River Bridge (Woodbury County, Iowa)
Built 1900; Relocated Here 1907; Approaches Added 1930Through truss bridge over Big Sioux River on BNSF RailwayOpen to traffic
BNSF - Black Bear Creek Bridge (Pawnee County, Oklahoma)
Pin-connected through truss bridge over Black Bear Creek on BNSF Railway in PawneeReplaced by a new bridge
BNSF - Black Bridge (Dawson County, Montana)
Pratt through truss bridge over Yellowstone River on BNSF RailroadOpen to traffic
BNSF - Brazeau Creek Bridge (Perry County, Missouri)
This railroad line was completed in 1904, although I don't know if this particular bridge is that old or notThrough truss bridge over Brazeau Creek at Wittenberg on the Burlington Northern Santa Fe RailwayStill in use
BNSF - Canal Street Lift Bridge (Cook County, Illinois)
Built 1915Pratt through truss bridge over South Branch of Chicago River on BNSF RailwayOpen to traffic
BNSF - Celilo Bridge (Wasco County, Oregon)
Built 1912Vertical lift bridge over Columbia River on Oregon Trunk Railroad Line in Celilo, OR and Wishram, WAOpen to traffic
BNSF - Cherry Creek Bridge (Denver County, Colorado)
Through truss bridge over Cherry Creek on Burlington Northern Santa Fe RailroadOpen to traffic
BNSF - Chicago Sanitary & Ship Canal Swing Bridge (Cook County, Illinois)
Built 1898-1900 to Chicago Sanitary Commission design for Illinois Northern RRPratt through truss bridge over Sanitary and Ship Canal on BNSF (former Illinois Central RR)Open to traffic
BNSF - Columbia Slough Bridge (Multnomah County, Oregon)
Built 1908Pratt through truss bridge over Columbia Slough on BNSF Railway in PortlandOpen to traffic
BNSF - Crooked River Bridge (Ray County, Missouri)
Built 1910Pratt Through truss bridge over Crooked River on BNSF RailwayOpen to traffic
BNSF - Cuivre River Bridge (Lincoln County, Missouri)
Three-span through truss bridge over Cuivre River on the BNSF Railway at Old MonroeOpen to railroad traffic
BNSF - Diversion Channel Bridge (Cape Girardeau County, Missouri)
(Main design: Warren through truss)Built ca. 1928, replacing an earlier through truss bridge that had collapsedTwo-span through truss bridge over the Diversion Channel on the BNSF Railway southwest of Cape GirardeauOpen to traffic on the active BNSF St. Louis-Memphis railroad line
BNSF - Elsberry Bridge (Lincoln County, Missouri)
Built 1902Through truss bridge over Lost Creek on the BNSF Railway at ElsberryOpen to railroad traffic
BNSF - Establishment Creek Bridge (Ste. Genevieve County, Missouri)
Through truss bridge over Establishment Creek on Burlington Northern and Santa Fe RailwayOpen to traffic
BNSF - Eudora Bridge (Douglas County, Kansas)
Built 1897, Abutments Rebuilt 1936Pratt through truss bridge over Wakarusa River on Atchson Topeka and Santa Fe RailroadOpen to traffic
BNSF - Fox River Bridge (Clark County, Missouri)
Built 1906, Extended 1934Through truss bridge over Fox River on BNSF RailwayOpen to traffic
BNSF - Grand River Bridge (Union County, Iowa)
Built 1901Pratt Deck truss bridge over Grand River on BNSF RailwayOpen to traffic
BNSF - Grand River Bridge (Chariton County, Missouri)
Built 1910, Replaced 2017Three-span through truss bridge over Grand River on BNSF Railway between Bosworth and MendonOpen to traffic
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 1958Through 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 CGWOpen 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 1911Pratt through truss bridge over Naches River on BNSF Railway in YakimaOpen to traffic
BNSF - Navasota River Bridge (Brazos County, Texas)
Pratt through truss bridge over Brazos River on Burlington Northern and Santa Fe RailwayOpen 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 - 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 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 - 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 - 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 - Victorville Bridge (San Bernardino County, California)
Built 1914, Warren Span added 1921Pratt through truss bridge over Mojave River on BNSF RailroadOpen to traffic
BNSF - Wakadena 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 - Wind River Bridge (Skamania County, Washington)
Pratt through truss bridge over Wind River on Railroad (BNSF)Open to traffic
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
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