There are 8,016 bridges in this category · Only showing 5,937 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.


Soper Road Bridge (Clinton County, New York)
Built 1910; rehabilitated 1960
Through truss bridge over Saranac River on Soper Road
Open to traffic

SOU - Second Broad River Bridge (Rutherford County, North Carolina)
(Main design: Parker through truss)
Abandoned bridge over Second Broad River on Abandoned Southern Railway
Derelict/abandoned

Souris River Bridge (McHenry County, North Dakota)
Built 1902
Through truss bridge over Souris River on Railroad Road, 4 mi. north of Towner
Open to traffic

South Boat Ditch Bridge (Clark County, Arkansas)
Built ca. 1928
Through truss bridge over South Boat Ditch on CR 8
Open to one-lane traffic

South Branch Bridge (Brown County, Illinois)
Pony truss bridge over South Branch of Little Missouri Creek on CR500E, 4.5 mi. northwest of Mt Sterlin
Open to traffic

South Branch Kokosing TR 184 (Penlan Rd.) Bridge (Morrow County, Ohio)
Built 1880 by the Massillon Bridge Co.; rehabilitated 1995, replaced between 2009 and 2011
Pony truss bridge over South Branch Kokosing River on TR 184 (Penlan Rd.)
Gone, replaced with concrete bridge

South Branch Roaring Creek Bridge (Northumberland County, Pennsylvania)
Built 1887 by the King Iron Bridge Co.; reconstructed 1983
Through truss bridge with steel arch reinforcement over South Branch Roaring Creek on TR 802
Closed to all traffic

South Branch Salt Creek Bridge (Tama County, Iowa)
Built 1907
Through truss bridge over South Branch Salt Creek on U Avenue
Closed to all traffic

South Branch Wild Rice River Bridge (Clay County, Minnesota)
Built 1915
Pratt Pony truss bridge over South Branch Wild Rice River on CR 183
Open to traffic

South Bridge (Pottawattamie County, Iowa)
Lost Pratt through truss bridge over Nishnabotna River on Road
Replaced by a new bridge

South Bridge (Franklin County, Iowa)
Lost Pratt through truss bridge over Iowa River on Apricot Avenue
Replaced by a new bridge

South Bridge (Fillmore County, Minnesota)
Lost Pratt through truss bridge over South Branch, Root River
Demolished

South Broadway at River Des Peres Bridge #1 (St. Louis, Missouri)
Replaced 1925
Lost Pratt deck truss bridge over River Des Peres on South Broadway in St. Louis
Replaced by new bridge

South Cairo Bridge (Greene County, New York)
Lost Pratt through truss bridge over Catskill Creek on Sandy Plains Road
Replaced by a new bridge

South Canal Bridge (Essex County, Massachusetts)
Abandoned pratt pony truss bridge over South Canal on Road
Abandoned

South Chequest Lake Creek Bridge (Davis County, Iowa)
Built 1963
Through truss bridge over South Chequest Lake Creek on Yoke Blvd
Open to traffic

South Cottonwood River Bridge (Marion County, Kansas)
Built ca. 1930
Pony truss bridge over South Cottonwood River on Goldenrod Road, 1.5 mi. west and 2.0 mi. south of Hillsboro
Open to traffic

South County Line Road Bridge (Montcalm County, Michigan)
Built 1880; Replaced 1996; Relocated
Relocated Pratt through truss bridge that was over Flat River on South County Line Road near Greenville
Relocated to Fred Meijer Heartland Trail and replaced by new bridge

South Cross Creeks Bridge (Stewart County, Tennessee)
Built 1902 by the American Bridge Company
Abandoned Pratt through truss bridge over South Cross Creek
Abandoned

South Deer Creek Bridge (Douglas County, Oregon)
Built 1967
Half-hip Pratt pony truss bridge over South Deer Creek on CR 16
Open to traffic

South Fabius River CR 289 Bridge (Knox County, Missouri)
Built ca. 1890; replaced 2003
Lost through truss bridge over South Fabius River on CR 289
No longer exists

South Flat River Bridge (Person County, North Carolina)
Built circa 1910 by the Champion Bridge Co. of Wilmington, OH; Abandoned and replaced circa 1981.
Abandoned Pratt pony truss bridge over South Flat River on Formerly NC-1120
Abandoned

South Fork Big Nemaha River Bridge (Nemaha County, Kansas)
Built ca. 1930; replaced 1994
Lost through truss bridge over South Fork Big Nemaha River on a local road
Replaced by new bridge

South Fork Cane Creek Bridge (Carter County, Missouri)
Built 1922
Pony truss bridge over South Fork of Cane Creek south of Ellsinore on CR 256 (Old US 60)
Open to traffic

South Fork Creek Bridge (Warren County, Illinois)
Built ca. 1910
Pony truss bridge over South Fork Creek on 1st St
Open to traffic

South Fork Gualala River Bridge (Sonoma County, California)
Current bridge installed 1984, likely multiple previous bridges at this location
Lost Pratt deck truss bridge over South Fork Gualala River on Stewart's Point Skagg Springs Road
Replaced by new bridge

South Fork Main City Road Bridge (Cass County, Missouri)
Built ca. 1905; Replaced 2013
Bedstead Pony truss bridge over South Fork on Main City Road
Replaced by a new bridge

South Fork Patoka River Bridge (Pike County, Indiana)
Built ca. 1920; replaced 1998
Lost through truss bridge over South Fork Patoka River on CR 300 E
Replaced by new bridge

South Fork Patoka River Houchin Ditch CR 400 E (Pike County, Indiana)
Built ca. 1905; Replaced 1990
Lost Pratt pony truss bridge over South Fork Patoka River Houchin Ditch on CR 400 E
Replaced by a new bridge

South Fork Pine Creek Bridge (Armstrong County, Pennsylvania)
Built 1912; rehabilitated 1973
Pony truss bridge over South Fork Pine Creek on TR 529
Unknown status

South Fork Prairie Creek CR 300 E (Daviess County, Indiana)
Built ca. 1905; Replaced 1988
Lost Pratt pony truss bridge over South Fork Prairie Creek on CR 300 E
Replaced by a new bridge

South Fork Prairie Creek CR 575 E (Daviess County, Indiana)
Built ca. 1905; Replaced 1990
Lost Pratt pony truss bridge over South Fork Prairie Creek on CR 575 E
Replaced by a new bridge

South Fork TR 242 Bridge (Monroe County, Ohio)
Built by the Bellefontaine Bridge & Iron Co.
Pony truss bridge over South Fork on TR 242
Replaced by a new bridge

South Fork US 65 Bridge (Van Buren County, Arkansas)
Built 1931 by M.K. Orr of Little Rock; rehabilitated 1962; Replaced 2011
Three-span cantilevered deck truss bridge over South Fork Little Red River on US 65 in Clinton
Replaced by new bridge

South Fork Wildcat Creek CR 530E Bridge (Clinton County, Indiana)
Built ca. 1895 by the Lafayette Bridge Company
Lost pony truss bridge over South Fork Wildcat Creek on CR 530 E.
Replaced by new bridge

South Fork Wildcat Creek SR 38 Bridge (Tippecanoe County, Indiana)
Built 1916; rehabilitated 1978; replaced 1993
Lost through truss bridge over South Fork Wildcat Creek on IN 38
Replaced by new bridge

South Fork Wolf River Bridge (Brown County, Kansas)
Built ca. 1940
Pony truss bridge over South Fork Wolf River, 1.3 mi. east and 4.5 mi. north of Everest
Open to traffic

South Grand Avenue Bridge (Pettis County, Missouri)
Built in 1889 by the Sedalia, Warsaw and Southwestern Railroad
Two-span through truss bridge over Flat Creek on South Grand Avenue, south of Sedalia
Open to one-lane traffic

South Greenfield Overpass (Dade County, Missouri)
Built 1924; replaced 1996
Lost Pratt through truss bridge over BNSF Railroad on Old MO 39
Replaced by new bridge

South Henderson Creek Bridge (Henderson County, Illinois)
Built 1915
Pony truss bridge over South Henderson Creek on CR1800E
Open to traffic

South Island Bridge (Will County, Illinois)
Pony truss bridge over East Branch Kankakee River on West Street, 0.25 mi. north of Kahler Rd
Now resides as a display at DDD Construction in Coal City.

South Loup River Bridge (Custer County, Nebraska)
Built 1930
Pony truss bridge over South Loup River on Township Road
Open to traffic

South Main Street Bridge (Trumbull County, Ohio)
(Main design: Pratt through truss)
Built about 1887 (based on design ques) by Columbia Bridge Co., replaced 1918
Lost Pratt through truss bridge over Mahoning River on South Main Street
Replaced by a new bridge

South Park Bridge (Old) (King County, Washington)
Built 1931
Bascule bridge over Duwamish River on 14th Avenue South in Seattle
Demolished. Main span removed September 1, 2010.

South Park Street Bridge (Jefferson County, Colorado)
Built 1926; rehabilitated 1992, rebuilt 2014
Pony truss bridge over Bear Creek on South Park Street in Morrison
Open to traffic

South Raccoon River Bridge (Guthrie County, Iowa)
Built or relocated here 1948
Pony truss bridge over South Raccoon River on CR N70 (Locust Avenue)
Open to traffic

South River CR 402 Bridge (Marion County, Missouri)
Built ca. 1930, replacing an earlier bridge
Pony truss bridge over South River on CR 402, east of Palmyra
Open to one-lane traffic

South Sauty Creek Bridge (De Kalb County, Alabama)
Abandoned pratt through truss bridge over South Sauty Creek on Jones Rd
Derelict/abandoned/collapsed

South Shore - Gauntlet Bridge (Lake County, Indiana)
Pratt through truss bridge over Pennsylvania Railroad/Wabash Railroad on Chicago. South Shore. & South Bend Railroad
Replaced by a new bridge, reportedly in storage in Michigan City

South Skunk River Bridge (Polk County, Iowa)
Built 1928
Pratt through truss bridge over South Skunk River on 158th Avenue (158th Ave)
Open to traffic

South Skunk River Bridge (Jasper County, Iowa)
Built 1899; Demolished 2014
Lost Through truss bridge over South Skunk River on 126th Avenue
Demolished in 2014. New concrete bridge opened in 2015.

South Smith Road Bridge (Rock County, Wisconsin)
Built 1910
Single lane Pratt through truss bridge over Turtle Creek on South Smith Road
Open to traffic

South Spencer Creek CR 15 Bridge (Pike County, Missouri)
Built 1910 by the Midland Bridge Co.; replaced 2007
Lost pony truss bridge over South Spencer Creek on CR 15
Replaced by new bridge

South Street Bridge (Rutland County, Vermont)
Built 1923 by Palmer Steel Co.; Rehabilitated 1975
Pratt through truss bridge over Poultney River on VT 31 in Poultney
Open to traffic

South Timber Creek Bridge (Marshall County, Iowa)
Built 1954
Pratt Through truss bridge over South Timber Creek on 260th Street
Open to traffic

South Wallingford Road Bridge (Will County, Illinois)
Built ca.1890 by the Wrought Iron Bridge Company
Abandoned pony truss bridge over Forked Creek on abandoned alignment of Wallingford Rd
Abandoned

South Windrow Road Bridge (Rutherford County, Tennessee)
Abandoned Pratt through truss bridge over West Fork Stones River on South Windrow Road
Abandoned

South Wyacondah Ditch Bridge (Davis County, Iowa)
Built 1905
Through truss bridge over South Wyacondah Ditch on Robin Blvd
Open to traffic

South Wyacondah Ditch Bridge (Davis County, Iowa)
Built at an unknown date. Possible work or event occured, ca. 1950
Through truss bridge over South Wyacondah Ditch on Timber Avenue
Intact but closed to all traffic

Southern - First Broad River Bridge (Cleveland County, North Carolina)
Abandoned pratt deck truss bridge over First Broad River on Old Southern Railway
Abandoned

Southern Pacific Railroad Bridge (Sacramento County, California)
Built 1884 by Phoenix Bridge Company, originally located near Saugus, later relocated to Tehachapi Creek and later to Danville
Pratt through truss bridge on Display train
Intact but closed to all traffic

Southport Road Overpass (Peoria County, Illinois)
Built 1936; rehabilitated 1981
Through truss bridge over the BNSF Railroad on IL 8
Open to traffic

Southside Drive Bridge (Rutherford County, North Carolina)
Pratt through truss bridge over Broad River
Open on a private driveway

Southwind Rail Trail - Elm Creek Bridge (Allen County, Kansas)
Built 1884, Approach Added 1898, Strengthened 1919
Pratt through truss bridge over Elm Creek on Southwind Rail Trail
Open to pedestrian and bicycle traffic only

SP - Dolores Street Overpass (San Francisco County, California)
Built 1890; Removed 1942
Bridge over Dolores Street & 27th Street on Southern Pacific Railroad


SP - Dumbarton Bridge (Alameda County, California)
(Main design: Baltimore through truss)
Built 1910, last used 1982.
Abandoned baltimore through truss bridge over San Francisco Bay on Caltrain
Abandoned

SP - Guadalupe River Bridge (Kendall County, Texas)
(Main design: Parker through truss)
Built 1900-1906
Abandoned Parker Through Truss bridge over Gudalupe River on abandoned Railroad
Abandoned

SP - Rowlett Creek Brdge (Collin County, Texas)
Houston & Texas Central Railroad, between Dallas and Denison, constructed in the 1870s, acquired by the Southern Pacific Railroad, Texas and New Orleans Railroad
Pratt through truss bridge over Rowlett Creek on DART
Not in current use

SP - Yuma Swing Bridge (4th) (Yuma County, Arizona)
(Main design: Warren through truss)
Built 1894-1899; Replaced 1923 on a new alignment.
Lost Parker through truss bridge over Colorado River on Southern Pacific Railroad
Replaced by a new bridge

Spalding Bridge (Menominee County, Michigan)
Built 1918; Moved 1934; Altered in 1988; Replaced 1995; Relocated 1997
Relocated Pratt pony truss bridge over Big Cedar River on Old US 2/Old US 41 in Spalding
Replaced by new bridge; Relocated 1997

Spangberg Ford Bridge (Benton County, Missouri)
Built 1907 by the Kansas City Bridge Co.
Pin connected Pratt Truss bridge over Brush Creek on CR NW 901
Replaced by a new Low Water Crossing

Sparks Ferry Bridge (Jackson County, Indiana)
(Main design: Pratt through truss)
Built ca. 1890; closed to traffic 2006
Two-span through truss bridge over East Fork White River on Sparks Ferry Road
Open to pedestrians only

Sparks Road Bridge (Baltimore County, Maryland)
Built 1888; rehabilitated 1990
Pratt through truss (with added arch) over Gunpowder Falls on Sparks Road
Open to traffic

Speel Creek Bridge (Martin County, Indiana)
Built 1898; replaced 1997
Lost pony truss bridge over Speel Creek on CR 50 E
Replaced by new bridge

Spencer Bridge (Owen County, Indiana)
Built 1897; replaced 1995
Lost through truss bridge over White River on CR 25 East
Replaced by new bridge

Spencer's Crossing Bridge (Anderson County, Kansas)
(Main design: Pratt through truss)
Built 1885 by the Wrought Iron Bridge Co. Closed to traffic in 2001 and bypassed in 2005
Through truss bridge over Pottawatomie Creek, 0.6 mi. west and 0.1 mi. north of Greeley
Preserved

Spengler Bridge (Columbia County, New York)
Built 1880
Pratt through truss bridge over Kinderhook Creek on Spangler Road
Closed to all traffic

Sperry Bridge (Nez Perce County, Idaho)
Built 1908
Pin-connected Pratt through truss bridge over Potlatch River on Mill Street in Kendrick
Open to traffic

Spillman Creek Bridge (Lincoln County, Kansas)
Built 1912
Through truss bridge over Spillman Creek, 3.7 mi. west of Lincoln
Open to traffic

Splice Creek Road Bridge (Moniteau County, Missouri)
Built or relocated here ca. 1930
Pony truss bridge over Splice Creek on East Splice Creek Road near Lupus
Open to one-lane traffic

Spoetzl Brewery Bridge (Lavaca County, Texas)
Formerly over Rocky Creek on CR 286
Through truss bridge over Boggy Creek on 6th Street
Open to pedestrians and bicycles only

Spoor's Bridge (Waushara County, Wisconsin)
(Main design: Pratt through truss)
Lost Pratt through truss bridge over Fox River on Road
Replaced by a new bridge

Sportsman Road Bridge (Crawford County, Pennsylvania)
Built 1901; arch added 1994
Through truss bridge with added steel arch over East Branch Oil Creek on TR 896
Open to traffic

Sprague Bridge (Juneau County, Wisconsin)
Built 1913; Replaced 1990
Pratt pony truss bridge over Yellow River on 9th St East in Towns of Armenia and Necedah
Intact but closed to all traffic

Spring Commons Bridge (Older) (Mahoning County, Ohio)
Built 1897; Replaced 1911
Lost Pratt through truss bridge over Mahoning River on %th Avenue
Replaced by a new bridge

Spring Creek 1700N Bridge (Iroquois County, Illinois)
Built 1898
Lost through truss bridge over Spring Creek on 1700N Road
Replaced

Spring Creek 1900N Bridge (Iroquois County, Illinois)
Built 1916; replaced 2009
Lost through truss bridge over Spring Creek on 1900N Road
Lost

Spring Creek Branch 1250N Bridge (Iroquois County, Illinois)
Built 1904
Two-span bedstead pony truss bridge over a branch of Spring Creek on 1250N Road
Closed to traffic

Spring Creek Bridge (Elk County, Pennsylvania)
Built 1898; rehabilitated 1997
Through truss bridge over Spring Creek on TR 301
Demolished

Spring Creek Bridge (Blaine County, Oklahoma)
Built ca. 1920
Half-hip Pratt Pony truss bridge over Spring creek on N2570
Open to traffic

Spring Creek Bridge (Republic County, Kansas)
Built ca. 1890
Pony truss bridge over Spring Creek, 1.2 mi. north and 5.0 mi. west of Republic
Closed to all traffic

Spring Creek Road Bridge (Ellis County, Texas)
Built 1890
Through truss bridge over Grove Creek on Spring Creek Road in Waxahachie
Preserved awaiting full restoration

Spring Creek-Jayhawk Rd. Bridge (Marshall County, Kansas)
Built ca. 1910
Pony truss bridge over Spring Creek, Northwest of Home City on abandoned section of Jayhawk Road.
Derelict/abandoned

Spring Hill Road Bridge (Christian County, Missouri)
Built 1914 by the Canton Bridge Co.; demolished 2006
Lost through truss bridge over Finley Creek on Spring Hill Road northeast of Sparta
No longer exists

Spring Hollow Bridge (Morrow County, Oregon)
Built 1909
Pin-connected Pratt through truss bridge over Rhea Creek on Spring Hollow Road
Open to pedestrians only

Spring River CR 1040 Bridge (Lawrence County, Missouri)
Built ca. 1930
Through truss bridge over Spring River on CR 1040
Open to traffic

Spring Valley Bridge (Old) (Bureau County, Illinois)
Replaced 1934
Lost Pratt through truss bridge over Illinois River on Road
Replaced by a new bridge

Spring Valley Road Bridge (Miami County, Kansas)
Built ca. 1920
Pony truss bridge over North Wea Creek, 2.2 mi. north and 2.0 mi. west of Louisburg
Open to traffic

Springfield Road Bridge (Madison County, Illinois)
closed pratt pony truss bridge located just north of UPRR on a private road, with the approaches removed
abandoned pony truss bridge over Cahokia Creek, just north of UPRR on private road?
Closed to all traffic

Springle Creek-Blue River Rd. Bridge (Washington County, Indiana)
Built ca. 1915
Lost Pratt pony truss bridge over Springle Creek on Blue River Road
Replaced by a new bridge