There are 8,125 bridges in this category · Only showing 6,057 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.


Juniata River Spruce Creek Bridge (OLD) (Huntingdon County, Pennsylvania)
Lost Pratt through truss bridge over Juniata River
Replaced by a new bridge

KAC&LC - Ausable Chasam Bridge (Clinton County, New York)
Built 1890 by Berlin Iron Bridge Co.; Scrapped 1924
Lost Pratt deck truss bridge over Ausable River/Chasam
Removed but not replaced

Kalispell Old Steel Bridge (Flathead County, Montana)
Built 1894; replaced 2009
Lost through truss bridge over Flathead River on CR 091 (Holt Stage Road)
Replaced by a new bridge

Kalo Bridge (Webster County, Iowa)
Built 1932; Replaced 1995
Lost Pratt through truss over Des Moines River on Nelson Avenue
Replaced by a new bridge

Kanaka Creek Bridge (Sierra County, California)
Bypassed 1985
Abandoned pratt pony truss bridge over Kanaka Creek on Plumbago Road
Abandoned

Kankakee River (Old Channel) CR 1100W Bridge (Starke County, Indiana)
Built ca. 1910 over the old channel of the river
Through truss bridge over Old Kankakee River on CR 1100 West
Closed to all traffic, with part of deck missing.

Kankakee River CR 1100W Bridge (La Porte County, Indiana)
Built 1912, removed in 1980's.
Through truss bridge over Kankakee River on CR 1100W
Demolished

Kankakee River CR 1500S Bridge (La Porte County, Indiana)
Built 1913
Through truss bridge over Kankakee River on CR 1500 South
Replaced by New Bridge

Kansas Avenue Bridge (Tehama County, California)
Built 1937
Pony truss bridge over Antelope Creek on Kansas Avenue
Open to traffic

Kansas River Truss Bridge (Riley County, Kansas)
Bridge built in 1900
Pratt through truss bridge over former channel of Kansas River
lost

Kansas Road Bridge (Vanderburgh County, Indiana)
Built ca. 1910
Pony truss bridge over Bluegrass Creek on Kansas Road
Abandoned

Kaskaskia Bridge (Ste. Genevieve County, Missouri)
Built 1936; rehabilitated 1977; replaced 2001
Lost through truss bridge over the old channel of the Mississippi River on Route U connecting St. Mary, MO and Kaskaskia Island, IL
Replaced with new concrete bridge

Kaskaskia River Bridge (Clinton County, Illinois)
Built early 1900s
Derelict through truss bridge over Kaskaskia River on a alignment of Pelican Road
Derelict but can easily be accessed from Pelican Road

Kaskaskia River Bridge (Washington County, Illinois)
Built 1921; main span replaced 1957 with using existing approaches; entire bridge replaced 1996
Lost Pratt through truss bridge over Kaskaskia River on IL 160/177 (was IL 15 at the time)
Replaced by new bridge

Kate Shelley High Bridge (Boone County, Iowa)
Built 1899-1901, bypassed in 2007-09
Deck truss bridge over Des Moines River on Union Pacific Railroad west of Boone
Bypassed

Katy Trail - Little Bonne Femme Creek Bridge (Boone County, Missouri)
Built 1898
Through truss bridge over Little Bonne Femme Creek on the Katy Trail
Open to pedestrians and bicyclists only

Katy Trail - Loutre River Bridge (Montgomery County, Missouri)
Built 1897
Through truss bridge over Loutre River on the Katy Trail
Open to pedestrians only

Katy Trail - Smith Creek Bridge (Warren County, Missouri)
Built 1910
Through truss bridge over Smith Creek on the Katy Trail
Open to pedestrians and bicyclists only

Katy Trail - Terrapin Creek Bridge (Boone County, Missouri)
Built 1899
Pratt pony truss bridge over Terrapin Creek on KATY Trail, former MKT Railroad
Open to pedestrians only

Katy Trail - Tuque Creek Bridge (Warren County, Missouri)
Built 1926
Pratt through truss bridge over Tuque Creek on KATY Trail, former MKT Railroad
Open to pedestrians only

KBSR - Iroquois Junction Bridge (Iroquois County, Illinois)
Built 1934 for the double-tracked Milwaukee Road Railroad
Railroad bridge over U.S. 52 on Kankakee, Beaverville and Southern Railroad south of Donovan
Open to traffic

KCM&B - Big Warrior Bridge (Walker County, Alabama)
(Main design: Through truss)
Built 1887
Lost Through truss bridge over Mulberry Fork on Kansas City, Memphis & Birmingham Railroad
No longer exists

KCS - Baron Fork Creek Bridge (Adair County, Oklahoma)
Built 1900

Well maintained

KCS - Chunky River Bridge (East) (Newton County, Mississippi)
Built 1905 by A.M. Blodgett of Kansas City
Pratt through truss bridge over Chunky River on Railroad (KCS)
Open to traffic

KCS - Chunky River Bridge (West) (Newton County, Mississippi)
Built 1905 by A.M. Blodgett of Kansas City
Pratt through truss bridge over Chunky River on Railroad (KCS)
Open to traffic

KCS - Colorado River Bridge (Wharton County, Texas)
(Main design: Camelback through truss)
Built 1903; abandoned 1986, re-opened 2009
Through truss bridge over Colorado River on the Kansas City Southern railway
Open to traffic

KCS - Glasgow Bridge (Howard County, Missouri)
(Main design: Parker through truss)
Built 1900
Four-span through truss railroad bridge over the Missouri River on the Kansas City Southern Railway
Open to traffic

KCS - Illinois River Bridge (Adair County, Oklahoma)
Built 1900
Through truss bridge over Illinois River on Kansas City Southern Railroad
Well maintained

KCS - Lavaca River Bridge (Jackson County, Texas)
Pratt through truss bridge over Lavaca River on Railroad


KCS - Little Sallisaw Creek Bridge (Sequoyah County, Oklahoma)
Pratt through truss bridge over Little Sallisaw Creek on Kansas City Southern Railway
Open to traffic

KCS - Louisiana Bridge (Pike County, Missouri)
Built 1897-8, Some Spans Replaced 1905 and 1945
Through truss swing railroad bridge over the Mississippi River on Kansas City Southern at Louisiana
Open to train traffic

KCS - Macoupin Creek Bridge (Greene County, Illinois)
Built 1889, Approach added 1901
Pratt through truss bridge over Macoupin Creek on Kansas City Southern Railway
Open to traffic

KCS - Neches River Swing Bridge (Old) (Jefferson County, Texas)
Built ?; Replaced 1941
Lost Pratt through truss bridge over Neches River on Kansas City Southern Railway
Replaced by a new bridge

KCS - Pearl River Bridge (Hinds County, Mississippi)
Pratt through truss bridge over Pearl River on Railroad
Open to traffic

KCS - Sallisaw Creek Bridge (Sequoyah County, Oklahoma)
Built 1906
Bridge over Sallisaw Creek on Kansas City Southern Railroad
Good ties, heavy rail, well maintained.

KCS - Shoal Creek Bridge (Newton County, Missouri)
Through truss bridge over Shoal Creek on Kansas City Southern Railway
Open to traffic

KCS - Spavinaw Creek Bridge (Benton County, Arkansas)
Through truss bridge over Spavinaw Creek on Kansas City Southern Railroad
Well maintained

KCS - Spring River Bridge (Jasper County, Missouri)
Built 1905
Pratt through truss bridge over Spring River on KCS Railroad, next to MO 171
Open to traffic

KCS - Tibbee Creek Bridge (Clay County, Mississippi)
Built 1933 by the American Bridge Co.
Pratt through truss bridge over Tibbee Creek on KCS Railroad
Open to traffic

KCSM - Texas-Mexico Railway Bridge (Webb County, Texas)
(Main design: Warren through truss)
Pratt deck truss and Warren through truss bridge over Rio Grande on KCS/KCSM
Open to traffic

Kearney Branch Irish Creek-Zenith Rd. Bridge (Marshall County, Kansas)
Pony truss bridge over Kearney Branch, 2.0 mi. north and 1.3 mi. west of Lillis
Open to traffic

Keating Summit Bridge (Potter County, Pennsylvania)
Built 1891 by the Union Bridge Co.
Pony truss bridge over Norfolk Southern Railway on TR 516 (Bush Hill Road)
Open to traffic

Keeney Creek 73rd Street Bridge (Ray County, Missouri)
Built ca. 1930
Pony truss bridge over Keeney Creek on W. 73rd Street
Open to traffic

Keesler Bridge (Leflore County, Mississippi)
Built 1925 by the Riley-Bailey Construction Co.
Swing through truss bridge over Yazoo River on Grand Blvd. at Greenwood
Open to traffic

Kelley Bridge (Sullivan County, Indiana)
Built in 1902 by the Vincennes Bridge Company
Through truss bridge over Sugar Creek on CR 550 West
Unknown disposition

Kellogg Bridge (Tulsa County, Oklahoma)
Built 1915, Relocated c. 2002.
Bedstead Pratt pony truss bridge over small lake on the grounds of the Oklahoma Department of Transportation Tulsa office, on footpath.
Open to pedestrians

Kellogg Bridge (Jasper County, Iowa)
Built 1898; rehabilitated 1975, demolished 2014
Through truss bridge over North Skunk River on Ridge Road in Kellogg
Demolished.

Kelly Bridge (Indiana County, Pennsylvania)
Built 1904
Pony truss bridge over South Branch Plum Creek
Open to traffic

Kelly Creek Bridge (Ford County, Illinois)
Built 1926
Lost Through truss bridge over Kelly Creek on E3000N Rd
Removed

Kelly Ford Bridge (Vernon County, Missouri)
Built 1891 by the Chicago Bridge Co.; replaced 1996
Lost through truss bridge over Clear Creek on CR 466
Replaced by new bridge

Kelly Road Bridge (Macoupin County, Illinois)
Built 1917; made obsolete by a new bridge on Shipman Road in 1935
Pony truss bridge over Coop Branch on Kelly Road (TR 166), just off Shipman Road
Open to one-lane traffic

Kelso Creek Bridge (Knox County, Indiana)
Lost Through truss bridge over Kelso Creek on 2nd St.
Replaced by a new bridge

Kemner Road Bridge (Wood County, Ohio)
Built by the Canton Bridge Co.; rehabilitated 1940
Through truss bridge over South Branch Portage River on Kemner Road
Demolished for no reason. No replacement built.

Kendallville Bridge (Winneshiek County, Iowa)
Built in 1930
Lost Bridge over Upper Iowa River on Old alignment of Iowa 139
Replaced by a new bridge

Kenneth Road Bridge (Jackson County, Missouri)
Built 1905; replaced by a relocated Bailey Truss in 1996. Closed to all traffic due to damage from an overweight truck in 2008.
Lost through truss bridge over Big Blue River on Kenneth Road in Kansas City
Closed to all traffic -- in process of being removed to be reused.

Kenny Creek Bridge (Pawnee County, Oklahoma)
Built 1911
Pony truss bridge over Kenny Creek on E0580
Open to traffic

Kent Park Half-Hip Pony Truss Bridge (Johnson County, Iowa)
Pony truss bridge on a trail at F.W. Kent County Park
Open to pedestrians

Kent Park High Truss Bridge (Johnson County, Iowa)
Built in 1902 over Old Man's Creek at Maier Road near Iowa City, moved to this location in 2003 and after some alterations, put into place on the trail.
Pratt through truss bridge on a trail at F.W. Kent County Park
Open to pedestrians

Kent Park Pratt Half-Hip Pony Truss Bridge (Johnson County, Iowa)
Built in 1908 by the Iowa Bridge Company of Des Moines over Buck Creek in Pleasant Valley Township; relocated to Kent Park trail.
Pony truss bridge on a trail at F.W. Kent County Park
Open to pedestrians

Kent Road Bridge (Monroe County, Indiana)
Built ca. 1890; replaced 1999
Lost through truss bridge over North Fork Salt Creek on Kent Road
Replaced by new bridge

Kent Trail - Grand River Bridge (Kent County, Michigan)
Built 1894; fixed in place 1907; railroad was abandoned 1975
Pratt through truss bridge over Grand River on Kent Trail (formerly LS&MS RR)
Open to pedestrians

Kerr's Crossing Bridge (Augusta County, Virginia)
Built 1899 by the Brackett Bridge Co.; closed to traffic 2010
Pony truss bridge over Christians Creek on Route 907
Closed to all traffic.

Ketchum Road Bridge (Columbiana County, Ohio)
Abandoned pratt through truss bridge over Little Beaver Creek on Abandoned Ketchum Road
Derelict/abandoned

Ketterman Road Bridge (Preble County, Ohio)
Pony truss bridge over Aukerman Creek on TR 329
Replaced by a new bridge

Kettle River Bridge (Pine County, Minnesota)
Built 1948
Deck truss bridge over Kettle River on MN 123 at Sandstone
Open to traffic

Key Bridge (McCormick County, South Carolina)
Built 1912: Rebuilt in 2007 for by the SC National Guard and the US Forest Service for use as a multi-use path
Pratt through truss bridge
Open to pedestrians

Keya Paha River Bridge (Boyd County, Nebraska)
Built 1929; rehabilitated 1966
Through truss bridge over Keya Paha River on COLL 7442, 4 mi. south and 5 mi. east of Naper
Open to traffic

Keys Bridge (Washington County, Pennsylvania)
Built 1903
Pony truss bridge over Raccoon Creek on TR 821
Open to traffic

Keystone Bridge (Park County, Colorado)
Built ca. 1870 by the Keystone Bridge Co. for the Denver, South Park and Pacific Railroad in Jefferson County near Kassler. Converted to highway use ca. 1935; relocated 1985.
Wrought-iron through truss bridge over North Fork South Platte River at Bailey
Open to pedestrians only

Keytesville Bridge (Chariton County, Missouri)
Built 1927; rehabilitated 1940
Through truss bridge over Mussel Fork on US 24 at Keytesville
Open to traffic

Kiamichi River Bridge (Pushmataha County, Oklahoma)
Built 1916
Through truss bridge over Kiamichi River on N4485 (6410C)
Was closed at time of visit in 2007

Kickapoo Creek Bridge (Lincoln County, Oklahoma)
Built 1914
Pony truss bridge over Kickapoo Creek on N3410
Open to traffic

Kidd Bridge (Beaverhead County, Montana)
Built 1909
Pony truss bridge over Red Rock River on CR 257 (Ashbough Trail)
Open to traffic

Kiger Hill Road Bridge (Greene County, Pennsylvania)
Built 1909; rehabilitated 1995
Pony truss bridge over Shannon Run on TR 385
Open to traffic

Kilbourn Bridge (Van Buren County, Iowa)
Built 1908-09 by the Ottumwa Supply & Construction Co.
Six-span through truss bridge over the Des Moines River on Lark Avenue
Closed to all traffic

Kilbourne Bridge (Delaware County, Ohio)
Lost Bridge over Alum Creek on SR 521
Gone

Kilburn Bridge (Logan County, Arkansas)
Destroyed by flood in May 1990 and replaced
Lost through truss bridge over Petit Jean River on Thomas Road west of Magazine
Destroyed by flooding

Kilgore Bridge (Buffalo County, Nebraska)
Built 1915
Truss bridge over North Channel Platte River on Basway Strip Access
Open to traffic

Killbuck Creek CR 500N Bridge (Delaware County, Indiana)
Built 1925; replaced 1991
Lost pony truss bridge over Killbuck Creek on CR 500 N
Replaced by new bridge

Killbuck Creek Rangeline Road Bridge (Madison County, Indiana)
Built ca.1920, replaced in 1989
Lost Pratt through truss bridge over Killbuck Creek on Rangeline Road (CR 200E)
Replaced by new bridge

Kilmore Creek Bridge (Clinton County, Indiana)
Built in 1885 by the Massillon Bridge Company; replaced in 1991.
Lost through truss bridge over Kilmore Creek on CR 300 E at 300E-420N
Replaced by new bridge

Kilmore Creek CR 500E Bridge (Clinton County, Indiana)
Built ca. 1890
Lost Pratt through truss bridge over Kilmore Creek on County Road 500 East
Replaced by a new bridge

Kimpton Road Bridge (Monroe County, Michigan)
Built 1900
Pony truss bridge over South Branch Macon Drain on Kimpton Road
Removed To Be Dismantled and Stored For Future Restoration

Kincaid Creek Bridge (Pendleton County, Kentucky)
Built 1910
Pony truss bridge over Kincaid Creek on Falmouth-Lenoxburg Road
Bridge has been replaced

Kinderhook Creek Bridge (Columbia County, New York)
Built 1927
Through truss bridge over Kinderhook Creek on NY 66
Open to traffic

King Hill Bridge (Elmore County, Idaho)
Built 1910 Bridge relocated in 1998 New bridge constructed in 2001
Lost Pratt through truss bridge over Snake River on Fas 3808
Replaced by new bridge

Kingfisher Creek Bridge (Kingfisher County, Oklahoma)
Built 1929 by the Virginia Bridge & Iron Co.; rehabilitated 1993
Through truss bridge over Kingfisher Creek on E0760 Rd.
Open to traffic

Kingfisher Crossing Bridge (Jefferson County, Indiana)
Built 1884 by Lomas Forge Bridge Works
Pony truss bridge over Big Creek on E Road
Bridge is being replaced with a slab. Apparently the trusses are being reused on it.

Kings Bridge (Polk County, Georgia)
Built 1924, closed sometime in the early '90's
Abandoned Pratt pony truss bridge over Dry Creek on Kings Bridge Road
Abandoned

Kings Creek Bridge (old) (Haskell County, Oklahoma)
1 of 2 spans remains partially on this old OK 9 bridge.
Abandoned pony truss bridge over Kings Creek, formerly carried OK 9
Abandoned

Kings Mill Bridge (Meigs County, Tennessee)
Built 1884 by the Champion Bridge Co.
Pratt through truss bridge over Sewee Creek on Big Sewee Road
Open to traffic

Kingston Ford Bridge (Washington County, Missouri)
Built 1885-86 at Lemay Ferry by the St. Louis Bridge & Iron Co.; relocated here in 1917
Closed through truss bridge over Big River just northeast of Washington State Park
Closed to all traffic

Kingston Wagon Bridge (Green Lake County, Wisconsin)
Replaced 1992
Lost Through truss bridge over Grand River on South Street at Kingston
Replaced by a new bridge

Kinkaid Lake Bridge (Jackson County, Illinois)
Built 1935
Lost through truss bridge over Kinkaid Lake on IL 151 south of Ava
Replaced by a new bridge

Kinniconnick Creek KY 8 Bridge (Lewis County, Kentucky)
(Main design: Camelback through truss)
Built ca. 1930
Through truss bridge over Kinniconnick Creek on KY 8
Open to traffic

Kinsman Road Overpass (Cuyahoga County, Ohio)
Built 1908
Lost Pratt through truss bridge over Pennsylvania Railroad on Kinsman Road
Replaced by a new bridge

Kintner Road Bridge (Bucks County, Pennsylvania)
Built 1937
Pony truss bridge over Gallows Run on Kintner Road
Under construction for rehab

Kinzie Street Bridge (Cook County, Illinois)
Built 1909; rehabilitated 1999
Bascule bridge over North Branch Chicago River on Kinzie Street in Chicago
Open to traffic

Kirby-Flynn Bridge (Palo Alto County, Iowa)
Built in 1883; may have been relocated here in 1919 in conjunction with the West Fork Des Moines River rechanneling project
Newly restored through truss bridge over New Channel West Fork Des Moines River on Brushy Bayou Road
Completely rehabilitated and now open to traffic

Kirks Ford Road Bridge (Brown County, Indiana)
Built 1915
Pony truss bridge over Middle Fork Salt Creek on Kirks Ford Road
Open to traffic