Modified
View Exhibit mapSuperstructures that have been rebuilt with new or reused structural components which alters the original design of the span (i.e. modified from a deck truss to a through truss)
10th Avenue Lincoln Highway Bridge (Linn County, Iowa)
Built 1915, Closed 1996, Restored 1997-1998; Restored to original design 2001Pony truss bridge over UPRR on N. 10th Avenue in Mount VernonOpen to pedestrians
220th Street Overpass (Webster County, Iowa)
Built 1889 as a railroad bridge at Carver, Minnesota; Moved here 1921Double Intersection Warren Pony truss bridge over Union Pacific Railroad on CR P33 (220th Street)Open to traffic
305th Street Overpass (Carroll County, Iowa)
Built 1913 using secondhand railroad girdersPony plate girder bridge over BNSF Railway on 305th StreetOpen to traffic
390th Street Overpass (Crawford County, Iowa)
Built 1913 using a secondhand span built 1898Steel stringer bridge over BNSF on 390th StreetOpen to traffic
5th Avenue Overpass (Union County, Iowa)
Pony/through plate girder bridge over Railroad on 5th AvenueOpen to traffic
B Avenue Overpass (Tama County, Iowa)
Built ca. 1920Pony truss bridge over Union Pacific Railroad on B AvenueOpen to traffic
Boblink Road Bridge (Dodge County, Wisconsin)
Built 1920 using a secondhand railroad girder; Replaced 2021Through plate Girder bridge over Canadian Pacific Railway, formerly Soo Line, formerly The Milwaukee Road on Bobolink Road in Town of LowellIntact but closed to all traffic
Bort Road bridge (Erie County, Pennsylvania)
Through girder bridge over CSX Railroad on Bort RoadOpen to traffic
Green Bay Road Overpass (Lake County, Illinois)
Built at an unknown date. Replaced in 1988 with a pre-stressed concrete bridge, and trusses placed on bridge as decoration.Double-intersection Warren pony truss bridge over U.P.R.R. on Green Bay RoadOpen to traffic
Hays Street Bridge (Bexar County, Texas)
Originally built 1881 as a railroad bridge over the Nueces River; moved to current location in 1910 as a road bridge; rehabilitated and reopened to pedestrians in 2010Whipple through truss bridge over Union Pacific Railroad on Hays Street in San AntonioOpen to pedestrians
J Avenue Overpass (Boone County, Iowa)
Built 1900Pony truss bridge over Union Pacific Railroad on J AvenueOpen to traffic
L Avenue Bridge (Boone County, Iowa)
Built 1900Pony truss bridge over Union Pacific Railroad on L AvenueOpen to traffic
LAMMSCAPES Railroad Bridge (Washington County, Wisconsin)
Built 1883 on a railroad in Des Plaines, Illinois; Relocated to Lebanon, Wisconsin in 1910; Relocated and Restored at Present Location in 1998Double-intersection Warren pony truss bridge over Cedar Creek on Private DriveOpen to traffic
Luzerne Street Overpass (Benton County, Iowa)
Replaced 2004Lost pony truss bridge over the Union Pacific Railroad on Luzerne Street in LuzerneNo longer exists
Main Street Overpass (Ripley County, Indiana)
Built 1906Lost Pratt through truss bridge over Penn-Central Railroad on Main Street (SR 229)Road level crossing built on a new alignment and old bridge removed.
Marion Avenue Overpass (Mills County, Iowa)
Girder bridge over over BNSF Railway on Marion AvenueOpen to traffic
Martin Road Bridge (Fond du Lac County, Wisconsin)
Built 1910: replaced 2007Lost pony truss bridge over Union Pacific Railroad on Martin RoadReplaced by new bridge
McKnight Road Bridge (Carver County, Minnesota)
Built date unknown in Madrid, Iowa; rebuilt 1913 and relocated here, closed 2009Pony/through plate girder bridge over TC&W RR on McKnight RoadIntact but closed to all traffic, scheduled to be replaced in the coming years
Mercer County Road 162 Bridge (Mercer County, Missouri)
Built 1901 by the American Bridge Co. as a railroad deck girder bridge; later relocated here and "flipped over" to form a through girderPlate girder bridge over the Union Pacific Railroad on S. College Avenue/Harmonica Road in PrincetonOpen to traffic
Minnesota Avenue Overpass (Old) (Story County, Iowa)
Built 1901; Replaced 1980Lost Double-intersection Warren pony truss bridge over Chicago & North Western Railway on Minnesota AvenueReplaced by a new bridge
Oak Street Bridge (Du Page County, Illinois)
Built ca. 1910Girder bridge over the BNSF Railroad on Oak Street in HinsdaleDemolished and replaced by new bridge
PGR - Soquel Creek Bridge (Santa Cruz County, California)
Pratt Deck truss bridge over Soquel Creek on Progressive Rail Inc. tracksOpen Railroad only
Red Bridge (Du Page County, Illinois)
Built 1926; demolished 2009Lost pony truss bridge over the Union Pacific Railroad (formerly C&NW) on Wesley Street in WheatonDemolished to make way for replacement bridge
RI - Matheson Bridge (Elbert County, Colorado)
Originally built 1883 by the Lassig Bridge & Iron Works as an eight-span bridge at Colona, Illinois, over the Rock River. Two spans relocated here and modified by the American Bridge Co. in 1902 to replace an 1899 trestle. Rails removed in 1992.Abandoned two-span through truss bridge over Big Sandy Creek on former Rock Island RR east of MathesonRailroad line discontinued with tracks removed
RRVT - Old G Avenue Bridge (Dallas County, Iowa)
Built 1902Deck plate girder bridge over Former G Avenue and Unnamed Creek on Raccoon River Valley TrailOpen to pedestrians only
Scofield Road Overpass (Dodge County, Wisconsin)
Built Prior to 1891, Moved to this location and reinforced in 1891; Rebuilt 1910 for highway use; Removed circa 1996, Reused in 2006 at Astico County ParkDouble-intersection Warren pony truss bridge over Union Pacific Railroad (Formerly Chicago & Northwestern) on Scofield Road near LebanonRelocated
SP - Bayshore Turntable (San Mateo County, California)
Relocated here 1941 & lengthed from 80ft to 110ft using steel salvaged from the SP's Pajaro River bridge; Removed ca 1985 and scrapped at a later dateLost Warren pony truss bridge over Pit on Southern Pacific Railroad Bayshore RoundhouseRemoved
Stieger Lake Lane Bridge (Carver County, Minnesota)
Built 1889 as a railroad bridge at Carver, Minnesota; Moved here 1923; Replaced 2003Lost Double-intersection Warren pony truss bridge over Lake Minnetonka LRT Trail on HighwayReplaced by a new bridge
Third Street Bridge (Tazewell County, Illinois)
Built Ca. 1880 as a railroad bridge, moved here 1907Pony truss bridge over City Park on Third Street in DelavanOpen to traffic
UP - KK Wisconsin Bridge (Milwaukee County, Wisconsin)
Built 200ft upriver in 1880; Relocated here 1898 & widened.Quadrangular Through Truss Swing Bridge over Kinnickinnic River on Union Pacific RailroadOpen to traffic
UP - Le Sueur Creek Bridge (Le Sueur County, Minnesota)
Built 1881 as four spans of a bridge at Hudson, Wisconsin; Rebuilt and relocated here 1899Warren pony truss bridge over Le Sueur Creek on Union Pacific RailroadOpen to traffic
Wabash Trace Nature Trail - West Nishnabotna River Bridge (Mills County, Iowa)
Built 1884 in Decatur, Illinois; Relocated & modernised in 1910; Timber trestle approach added 1929; I-beam approach added 1951; More timber trestle added 1956; Abandoned 1984; Converted to trail ?Whipple through truss bridge over West Nishnabotna River on Wabash Trace Nature TrailOpen to pedestrians only
WC - Barker Island Bridge (E) (Marathon County, Wisconsin)
Built 1908, using pieces fabricated 1899 and 1900Pony/through plate girder bridge over Wisconsin River on Pedestrian trailOpen to pedestrians
Webster Street Overpass (Marshall County, Iowa)
Built ca. 1940Pony truss bridge over the Union Pacific Railroad (formerly C&NWRR) on Webster Street in Le GrandClosed to all traffic
Yates Avenue Overpass (Marshall County, Iowa)
Built 1900 using a truss constructed for railroad use in Ca. 1885Pony truss bridge over the Union Pacific Railroad (formerly Chicago & Northwestern Railroad) on Yates AvenueOpen to traffic