There are 10,842 bridges in this category · Only showing 8,790 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.
"Flying" Bridge (Chickasaw County, Iowa)
Built 1876 in Otterville, IA. Moved to Fredericksburg, IA in 1998.Pratt through truss bridge over East Wapsipinicon River on Robert Mattke Park TrailOpen to pedestrians
"Iron" Bridge (Christian County, Illinois)
Built 1914, replaced 1973Lost Pratt through truss bridge over S Fork Sangamon River on S. Shumway St./N 1250 East RdReplaced by a new bridge
"The Iron Bridge" (Schoolcraft County, Michigan)
Built in 1890 to replace the Red Bridge; replaced in 1919 by the current Siphon Bridge.Lost Pratt through truss bridge over Manistique River on Deer StreetReplaced by a new bridge
"Venice on the Creek" Bridge (Denver County, Colorado)
Built ca. 1890 at an unknown location; relocated here in 1923Through truss bridge over Cherry Creek with buildings inside it.Open to pedestrians only
106th Street Bridge (1928) (Cook County, Illinois)
Built 1928; rehabilitated 1998Bascule bridge over Calumet River on 106th Street in ChicagoOpen to traffic
10th Street Bridge (Lawrence County, Illinois)
Built 1885 by the Massillon Bridge Co.; collapsed March 27, 2005Lost through truss bridge over Embarras River on 10th Street in LawrencevilleCollapsed after an accident involving an alleged drunk driver
10th Street Bridge (Beaver County, Pennsylvania)
(Main design: Pratt deck truss)Built 1891; Converted to road use 1926; Closed 1978; Removed 2001Lost Pratt deck truss bridge over Beaver River on 10th StreetRemoved
10th Street Bridge (Madison County, Indiana)
Built 1887; Additional spans added 1952; Removed 1976Lost Pratt through truss bridge over White River on E. 10th Street in AndersonEastern abutment and all pillars remain, the bridge and western abutment are gone.
10th Street Bridge (Old) (Minnehaha County, South Dakota)
Built 1894; replaced and moved to Cliff Avenue in 1934; replaced at that location in 1972.Lost Pratt through truss bridge over Big Sioux River on 10th StreetReplaced by a new bridge and relocated to Cliff Avenue
110th Street Bridge (Kossuth County, Iowa)
Built 1895 by the King Bridge Co.Lost through truss bridge over East Fork Des Moines River on 110th Street between Humboldt and AlgonaRemoved 2016-17
110th Street Bridge (Humboldt County, Iowa)
Built 1911 by the Iowa Bridge Co.Through truss bridge over East Fork Des Moines River on 110th StreetOpen to one-lane traffic
11th Street - Raccoon Creek Bridge (Licking County, Ohio)
Damaged by flooding in January 1959; repaired & reopened; replaced in 1962Lost Pratt through truss bridge over Raccoon Creek on 11th StreetReplaced by a new bridge
11th Street Bridge (Old) (Tulsa County, Oklahoma)
Lost Pratt through truss bridge over Arkansas River on 11th StreetReplaced by a new bridge
11th Street Bridge (Old) (Pierce County, Washington)
(Main design: Pratt through truss)Built 1894; Replaced 1913Lost Pratt through truss bridge over Tacoma Narrows on East 11th StreetReplaced by a new bridge
11th Street Viaduct (Douglas County, Nebraska)
Built 1887; Replaced 1984Pratt through truss bridge over Union Pacific Railroad & Chicago, Burlington & Quincy Railroadon 11th StreetReplaced by a new bridge
122nd Street Bridge (Ray County, Missouri)
Built 1913, probably by the Kansas City Bridge Co.Pony truss bridge over a branch of West Fork Crooked River on W. 122nd StreetReplaced with a concrete culvert
12th Street Bridge (Pottawattamie County, Iowa)
Lost Pratt through truss bridge over Indian Creek on 12th StreetReplaced by a new bridge
12th Street Swing Bridge (1886) (Cook County, Illinois)
Built 1886; Replaced 1928Lost Pratt through truss swing bridge over South Branch Chicago River on 12th StreetReplaced by a new bridge
133rd Avenue Bridge (Allegan County, Michigan)
Built 1897 by the Michigan Bridge Co,; Replaced by new bridge in 1996; Relocated in 1999 to the Calhoun County Historic Bridge ParkRelocated Pratt pony truss bridge over Rabbit River on 133rd Avenue in Hopkins; now relocated to the Historic Bridge Park in Calhoun County and restored as a pedestrian bridgeRelocated and open to pedestrians
13th Street Bridge (Saline County, Nebraska)
Built 1925; replaced 2017Lost through truss bridge over Big Blue River on 13th Street in CreteReplaced by a new bridge
13th Street Bridge (Allegheny County, Pennsylvania)
Built in 1892, and dismantled in 1917.Lost Bridge over Youghiogheny RiverNo longer exists
140th Avenue Bedstead Bridge (Clay County, Iowa)
Built ca 1902 per plaque.Lost Bedstead Pratt pony truss bridge over Willow Creek on 140th AvenueRemoved but not replaced
140th Street Bridge (Pottawattamie County, Iowa)
Lost Pratt through truss bridge over Boyer River on 140th StreetRemoved but not replaced
140th Street Bridge (Muscatine County, Iowa)
Abandoned pratt pony truss bridge over Wapsinonoc Creek on 140th StreetAbandoned on a Level C Minimum Maintenance Road; Sign "No Trespassing".
145th Avenue Bridge (Kossuth County, Iowa)
Built 1900; bypassed by new bridge in 1997Through truss bridge over East Fork Des Moines River on 145th Avenue (CH C12)Open to pedestrians only
14th St SW-Sun River Bridge (Cascade County, Montana)
Built 1908 by the Massillon Bridge Company; removed 1984Lost Pratt through truss bridge over Sun River on 14th Street SWRemoved but not replaced
14th Street Bridge (1901) (Muscogee County, Georgia)
Built 1902; Replaced 1922Lost Pratt through truss bridge over Chattahoochee River on 14th StreetReplaced by a new bridge
153rd Street Bridge (Bronx County, New York)
Lost Pratt through truss bridge over Penn Central rail yard on 153rd StreetRemoved but not replaced
155th Street Pedestrian Bridge (New York County, New York)
Pratt through truss bridge over Amtrak West Side Connector on Pedestrian PathOpen to pedestrians only
16th Street Swing Bridge (Will County, Illinois)
Built 1905; removed 1993Lost swing through truss bridge over Sanitary & Ship Canal on Division StreetRemoved but not replaced
180th Street Bridge (Story County, Iowa)
Built 1927; rehabilitated 1974; replaced 2011Through truss bridge over South Skunk River on 180th Street BridgeReplaced by a new bridge
1898 Branch Buffalo Creek Bridge (Jewell County, Kansas)
Pratt pony truss bridge over a branch of Buffalo Creek, 0.7 mi. south and 3.0 mi. west of RandallClosed to all traffic
18th Street Bridge (1888) (Cook County, Illinois)
Built 1888; Replaced 1905Lost Pratt through truss bridge over South Branch Chicago River on 18th StreetReplaced by a new bridge
18th Street Swing Bridge (Jefferson County, Kentucky)
Replaced 1915Lost Bridge over Louisville & Portland Canal onReplaced by a new bridge
195th Street Bridge (Cedar County, Iowa)
Pony truss bridge over Rock Creek on 195th StreetAbandoned
198th Street Big Sioux River Bridge (Brookings County, South Dakota)
Built 1903 by the Iowa Bridge Co.Pony truss bridge over Big Sioux River on 198th Street, 14 mi. north and 4.1 mi. west of Brookings in Eureka TownshipRemoved but not replaced
19th Street Bridge (Wayne County, Indiana)
Built ca. 1880'sLost Pony truss bridge over Pennsylvania Railroad tracks on 19th StreetRemoved but not replaced
1st Avenue Bridge (1885) (Linn County, Iowa)
Built 1885 ; replaced 1920Lost Pratt through truss bridge over Cedar River on 1st AvenueReplaced by a new bridge
200th Avenue Bridge (Clay County, Iowa)
Pratt through truss bridge over Little Sioux River on 200th AvenueRemoved but not replaced
20th Road - Tippecanoe River Bridge (Marshall County, Indiana)
Built 1920; Replaced 1972Lost Pratt through truss bridge over Tippecanoe River on 20th RoadReplaced by a new bridge
218th Street Bridge (Delaware County, Iowa)
Built 1915, Replaced by a UCEB in 2013Through truss bridge over Plum Creek on 218th StreetReplaced by a new bridge
220th Street Bridge (Guthrie County, Iowa)
Abandoned pony truss bridge over Seely Creek on 220th StreetAbandoned
220th Street Bridge (Adams County, Iowa)
Built ca. 1930Through truss bridge over East Nodaway River on 220th Street in CorningOpen to traffic
230th Street-Turkey River Bridge (Winneshiek County, Iowa)
Built 1959Pratt through truss bridge over Turkey River on 230th StreetIntact but closed to all traffic
24th Street Bridge (Ashtabula County, Ohio)
Lost Pratt through truss bridge over Ashtabula River on 24th StreetReplaced by a new bridge
24th Street Viaduct (Douglas County, Nebraska)
Built 1901; Replaced 1994Lost Pratt through truss bridge over Union Pacific Railroad on 24th Street & StreetcarReplaced by a new bridge
24th Street Viaduct (Weber County, Utah)
(Main design: Warren through truss)Built 1909; Expanded 1921; 1926; & 1969; Replaced 1976Lost Warren through truss bridge over Union Pacific/Southern Pacific Railroad Yard & Weber River on 24th StreetReplaced by a new bridge
280th Street Bridge (Butler County, Iowa)
Pratt through truss bridge over West Fork Cedar River on 280th StreetIntact but closed to all traffic
2nd Avenue Bridge (Ford County, Kansas)
Built in 1906; moved 2 miles east in 1935 to Coronado Road and named Coronado BridgeLost Pratt through truss bridge over Arkansas River on 2nd AvenueReplaced by a new bridge
2nd Avenue Bridge (McHenry County, North Dakota)
Built 1921; rehabilitated 1968. Relocated here from North Dakota Highway 41 on the north edge of Velva in the 1960s.Through truss bridge over Mouse River on 2nd Avenue in VelvaOpen to traffic
2nd River Bridge (Butler County, Ohio)
(Main design: Whipple through truss)Columbia Bridge Works Whipple span built 1879, other span of unknown origin possibly added later.Lost Whipple through truss at MiddletownLost
2nd Street Bridge (Bureau County, Illinois)
Built 1899Pony truss bridge over King Creek just west of Mineral on 2nd St (TR10B)Derelict/abandoned
2nd Street Bridge (Buchanan County, Iowa)
(Main design: Pennsylvania through truss)Built 1894; Replaced 1968Lost Pennsylvania through truss bridge over Wapsipinicon River on 2nd StreetReplaced by a new bridge
2nd Street Bridge (1884) (Muscatine County, Iowa)
Built ca. 1884; Replaced 1917Lost Pony truss bridge over Mad Creek on 2nd StreetReplaced by new bridge
2nd Street Bridge (Old) (Dodge County, Wisconsin)
Built 1887; replaced 1950Lost Pratt through truss bridge over Rock River on N 2nd StreetReplaced by a new bridge
3 Rivers Trail - Gotch Park Bridge (Humboldt County, Iowa)
Built 1901, converted for trail use in 1991Through truss bridge over East Fork Des Moines River on the Three Rivers Bike Trail at Gotch Park near HumboldtOpen to pedestrians and bicyclists only
30th Street Drive Bridge (Linn County, Iowa)
Built 1910; Removed 1971Lost Pratt through truss bridge over Indian Creek on 30th Street DriveRemoved
325th Street Bridge (Delaware County, Iowa)
Built ca. 1920Lost Pratt through truss bridge over Buffalo Creek on 325th StreetRemoved but not replaced
325th Street Bridge (Harrison County, Iowa)
Built ca. 1920; removed after 2002Through truss bridge over Mosquito Creek on 325th StreetRemoved; road abandoned
340th Street Bridge (Clay County, Iowa)
Built 1911; Replaced 2008Lost Pony truss bridge over Ocheyedan River on 340th StreetReplaced by a new bridge
351st Road Bridge (Miami County, Kansas)
Built 1912Abandoned Pratt through truss bridge over Marais Des Cygnes River on 351st RoadAbandoned
370th Street Bridge (Older) (Calhoun County, Iowa)
(Main design: Pratt through truss)Lost Pratt through truss bridge over Raccoon River on 370th StreetReplaced by a new bridge
39th Street Bridge (Old) (Cook County, Illinois)
Lost Pratt through truss bridge over South Fork South Branch Chicago River on 39th StreetNo longer exists
3rd Avenue Bridge (Sioux County, Iowa)
Lost Pratt through truss bridge over Floyd River on 3rd AvenueReplaced by a new bridge
3rd Avenue Bridge (Old) (Stark County, Ohio)
Replaced 1913Lost Pratt pony truss bridge over Sugar Creek on 3rd AvenueReplaced by a new bridge
3rd Street Bridge (Osceola County, Iowa)
Built 1907; Replaced ?Pratt through truss bridge over Otter Creek on 3rd StreetReplaced by a new bridge
3rd Street Bridge (Bremer County, Iowa)
Built 1917; rehabilitated 1982 and 2006Through truss bridge over Cedar River on 3rd Street SE in WaverlyDemolished
3rd Street Bridge (Cass County, Indiana)
Built ca. 1889 by the King Bridge Company; Destroyed in the 1913 Flood.Lost Pratt through truss bridge over Eel River on 3rd St.Destroyed in the 1913 Flood.
3rd Street Bridge (Tuscarawas County, Ohio)
Built 1899Lost Pratt through truss bridge over Big Stillwater Creek on 3rd StreetReplaced by a new bridge
3rd Street Bridge (1889) (Northampton County, Pennsylvania)
Built 1889Lost Pratt through truss bridge over Lehigh River on 3rd StreetNo longer exists
3rd Street- James River (Old) (Beadle County, South Dakota)
Lost Pratt through truss bridge over James River on 3RD StreetReplaced by a new bridge
410th Street Bridge (Sioux County, Iowa)
Built 1897 by W.W. Allen; replaced 2001Lost through truss bridge over Floyd River on 410th Street southwest of HospersReplaced by a modern bridge
430th Street Bridge (Clay County, Iowa)
Built 1916Pony truss bridge over Willow Creek on 430th StreetOpen to traffic
43rd Street Pedestrian Bridge (Cook County, Illinois)
(Main design: Pony/through plate girder)Pony/through plate girder bridge over METRA and S Lake Shore Drive US 41 on FootpathOpen to pedestrians only
46th Street Bridge (Ashtabula County, Ohio)
Built 1896, closed to traffic in 1981; replaced 1986Lost Pratt deck truss bridge over Ashtabula River on 46th Street in AshtabulaReplaced by new bridge
478th Avenue Bridge (Moody County, South Dakota)
Lost Pratt through truss bridge over Big Sioux River on 478th AvenueReplaced by a new bridge
485th Avenue Bridge (Palo Alto County, Iowa)
Built ca. 1919; replaced 1999Lost pony truss bridge over Old Channel West Fork Des Moines River on 485th Avenue just off CR B55, west of RodmanReplaced by a modern bridge
485th Street Bridge (Clay County, Iowa)
Pratt pony truss bridge over Tributary of Little Sioux River on private road just off 485th StreetOpen to authorized vehicles only
4th Street Bridge (Niagara County, New York)
Lost Pratt through truss bridge over Schoellkopf Hydraulic Canal on 4th StreetReplaced by a new bridge
4th Street Bridge (Woodbury County, Iowa)
Built here after Sioux City Elevated abandoned 1899; Abandoned in 1948 when service ended; Converted to road use 1951; Removed 1973Lost Pratt through truss bridge over Floyd River on Sioux City Service Co.Removed
4th Street Bridge (Emmet County, Iowa)
Lost Pratt through truss over West Fork Des Moines River on 4th StreetReplaced by a new bridge
520th Street Bridge (Johnson County, Iowa)
Rehabilitated 1989Pony truss bridge over Deer Creek on SW 520th StreetOpen to traffic
577th Avenue Cub Creek Bridge (Jefferson County, Nebraska)
Pratt Pony truss bridge over Cub Creek on 577th Avenue, 1 mi. west and 3.2 mi. south of PlymouthOpen to traffic
5th Avenue E Bridge (Old) (Ransom County, North Dakota)
Lost Pratt through truss bridge over Sheyenne River on 5th Avenue EReplaced by a new bridge
5th Avenue E Bridge (Pre 1909) (Ransom County, North Dakota)
Replaced 1954Lost Pratt through truss bridge on 5th Avenue E over Sheyenne RiverReplaced by a new bridge
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