Modified

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Superstructures 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 2001
Pony truss bridge over UPRR on N. 10th Avenue in Mount Vernon
Open to pedestrians

220th Street Overpass (Webster County, Iowa)
Built 1925
Pony truss bridge over UPRR on CR P33 (220th Street)
Open to traffic

305th Street Overpass (Carroll County, Iowa)
Built 1913
Pony plate girder bridge over BNSF Railway on 305th Street
Open to traffic

390th Street Overpass (Crawford County, Iowa)
Built 1913
Steel stringer bridge over BNSF on 390th Street
Open to traffic

5th Avenue Overpass (Union County, Iowa)
Pony/through plate girder bridge over Railroad on 5th Avenue
Open to traffic

B Avenue Overpass (Tama County, Iowa)
Built ca. 1920
Pony truss bridge over Union Pacific Railroad on B Avenue
Open to traffic

Barker Island Bridge (E) (Marathon County, Wisconsin)
Built 1908, using pieces fabricated 1899 and 1900
Pony/through plate girder bridge over Wisconsin River on Pedestrian trail
Open to pedestrians

Bloomingdale Trail - Milwaukee Avenue Overpass (Cook County, Illinois)
Built 1913, Modified 2015
Through Girder bridge over N. Milwaukee Avenue on Bloomingdale Line Trail
Open to pedestrians only

Boblink Road Bridge (Dodge County, Wisconsin)
Built 1920 by CMStP&P (The Milwaukee Road)
Girder bridge over Canadian Pacific Railway, formerly Soo Line, formerly The Milwaukee Road on Bobolink Road in Town of Lowell
Open to traffic

Bort Road bridge (Erie County, Pennsylvania)
Through girder bridge over CSX Railroad on Bort Road
Open to traffic

Eisenbahn Trail - Woodford Road Overpass (Washington County, Wisconsin)
Built 1910
Bridge over the Eisenbahn Recreational Trail (former CNW) on Woodford Drive
Open to traffic but signed

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 Road
Open 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 2010
Whipple through truss bridge over Union Pacific Railroad on Hays Street in San Antonio
Open to pedestrians

J Avenue Overpass (Boone County, Iowa)
Built 1900
Pony truss bridge over Union Pacific Railroad on J Avenue
Open to traffic

L Avenue Bridge (Boone County, Iowa)
Built 1900
Pony truss bridge over Union Pacific Railroad on L Avenue
Open 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 1998
Double-intersection Warren pony truss bridge over Cedar Creek on Private Drive
Open to traffic

Luzerne Street Overpass (Benton County, Iowa)
Replaced 2004
Lost pony truss bridge over the Union Pacific Railroad on Luzerne Street in Luzerne
No longer exists

Marion Avenue Overpass (Mills County, Iowa)
Girder bridge over Over Bn Rr on Marion Avenue
Open to traffic

Martin Road Bridge (Fond du Lac County, Wisconsin)
Built 1910: replaced 2007
Lost pony truss bridge over Union Pacific Railroad on Martin Road
Replaced by new bridge

McKnight Road Bridge (Carver County, Minnesota)
Built date unknown in Madrid, Iowa; rebuilt 1913 and relocated here, closed 2009
Pony/through plate girder bridge over TC&W RR on McKnight Road
Intact 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 girder
Plate girder bridge over the Union Pacific Railroad on S. College Avenue/Harmonica Road in Princeton
Open to traffic

Minnesota Avenue Overpass (Old) (Story County, Iowa)
Built 1901; Replaced 1980
Lost Double-intersection Warren pony truss bridge over Chicago & North Western Railway on Minnesota Avenue
Replaced by a new bridge

Oak Street Bridge (Du Page County, Illinois)
Built ca. 1910
Girder bridge over the BNSF Railroad on Oak Street in Hinsdale
Demolished and replaced by new bridge

Overhead Bridge (Ripley County, Indiana)
Built 1906
Lost 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.

Red Bridge (Du Page County, Illinois)
Built 1926; demolished 2009
Lost pony truss bridge over the Union Pacific Railroad (formerly C&NW) on Wesley Street in Wheaton
Demolished 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 1920 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 Matheson
Railroad line discontinued with tracks removed

RRVT - Old G Avenue Bridge (Dallas County, Iowa)
Deck plate girder bridge over Former G Avenue and Unnamed Creek on Raccoon River Valley Trail
Open to pedestrians only

SC&MB - Soquel Creek Bridge (Santa Cruz County, California)
Pratt Deck truss bridge over Soquel Creek on The Santa Cruz & Monterey Bay Railroad
Open Railroad 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 Park
Double-intersection Warren pony truss bridge over Union Pacific Railroad (Formerly Chicago & Northwestern) on Scofield Road near Lebanon
Relocated

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 date
Lost Warren pony truss bridge over Pit on Southern Pacific Railroad Bayshore Roundhouse
Removed

Stieger Lake Lane Bridge (Carver County, Minnesota)
Built 1918; rehabilitated 1922, Replaced 2003
Lost Double-intersection Warren pony truss bridge over Lake Minnetonka LRT Trail on Highway
Replaced by a new bridge

Third Street Bridge (Tazewell County, Illinois)
Built Ca. 1880 as a railroad bridge, moved here 1907
Pony truss bridge over City Park on Third Street in Delavan
Open 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 Railroad
Open 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 1899
Warren pony truss bridge over Le Sueur Creek on Union Pacific Railroad
Open to traffic

Velvetleaf Avenue Overpass (Jefferson County, Iowa)
Built 1934
Girder bridge over Over Bnsf Rr on Velvetleaf Avenue
Open 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 Trail
Open to pedestrians only

Webster Street Overpass (Marshall County, Iowa)
Built ca. 1940
Pony truss bridge over the Union Pacific Railroad (formerly C&NWRR) on Webster Street in Le Grand
Closed to all traffic

Yates Avenue Overpass (Marshall County, Iowa)
Built 1900 using a truss constructed for railroad use in Ca. 1885
Pony truss bridge over the Union Pacific Railroad (formerly Chicago & Northwestern Railroad) on Yates Avenue
Open to traffic