Rockford, Illinois

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1st Street Overpass (Winnebago County, Illinois)
Built 1892; rehabilitated 1954
Timber stringer bridge over Union Pacific Rr on So 1st Street
Open to traffic

2nd Street Overpass (Winnebago County, Illinois)
Built 1891; rehabilitated 1949
Timber stringer bridge over Union Pacific Rr on So 2nd Street
Open to traffic

CBQ - Rock River Covered Bridge (Winnebago County, Illinois)
Built 1882; Replaced 1929
Lost Howe through truss bridge over Rock River on Chicago, Burlington & Quincy Railroad
Replaced by a new bridge

Chestnut Street Bridge (Winnebago County, Illinois)
Lost Bridge over Rock River
No longer exists

Chestnut Street Bridge (1st) (Winnebago County, Illinois)
Built 1871; Re-erected here 1890 after being relocated from State Street; Replaced 1917
Lost Post through truss bridge over Rock River on Chestnut/Wallnut Street
Replaced by a new bridge

CM&G - Kishwaukee River Bridge (Winnebago County, Illinois)
Lost Bridge over Kishwaukee River on Chicago, Milwaukee, & Gary Railroad
Removed

CN - Rock River Bridge (Winnebago County, Illinois)
Built 1917
Deck plate girder bridge over Rock River on Canadian National Railway
Open

CN - S. Fork Kent Creek Bridge (Winnebago County, Illinois)
Built 1908
Pony/through plate girder bridge over S. Fork Kent Creek on Canadian National Railway
Open to traffic

CN/CM&G Overpass (Winnebago County, Illinois)
Pony/through plate girder bridge over Abandoned Chicago, Milwaukee & Gary Railway on Canadian National Railroad
Filled in

CNW - Horace Avenue Overpass (Winnebago County, Illinois)
Lost Beam bridge over Horace Avenue on Chicago & North Western Railway
Removed but not replaced

CNW - Keith Creek Bridge (Winnebago County, Illinois)
Lost Bridge over Keith Creek on Chicago & North Western Railway
Removed but not replaced

CNW - Keith Creek Tributary Bridge (Winnebago County, Illinois)
Timber stringer bridge over Keith Creek Tributary on Chicago & North Western Railway
Abandoned

CNW - Rock River Covered Deck Truss (Winnebago County, Illinois)
Built 1869; Replaced 1896
Lost Deck truss bridge over Rock River on Chicago & North Western Railway
Replaced by a new bridge

CNW - South Fork Kent Creek Arch Bridge (Winnebago County, Illinois)
Built 1908;
Abandoned closed-spandrel arch bridge over South Fork Kent Creek on Chicago & North Western Railway
Abandoned

DM&E - N. Fork Kent Creek Bridge (Winnebago County, Illinois)
Built 1900
Warren pony truss bridge over N. Fork Kent Creek on Dakota, Minnesota & Eastern Railway
Open to traffic

IC - Kent Creek Bridge (Winnebago County, Illinois)
Located here in 1911, Truss likely dates from 1870s
Pratt through truss bridge over Kent Creek on Illinois Central Railroad spur
No longer exists

IC - Rock River Bridge (Old) (Winnebago County, Illinois)
Built 1888; Replaced 1917
Lost Pratt through truss bridge over Rock River on Illinois Central Railroad
Replaced by a new bridge

Jefferson Street Bridge (Winnebago County, Illinois)
Built 1925; rehabilitated 1994
Open-spandrel arch bridge over Rock River and Madison Street on Jefferson Street
Open to traffic

Keith Creek Bridge (Winnebago County, Illinois)
Built 1919
Slab bridge over Keith Creek on 8th Av
Open to traffic

Keith Creek Bridge (Winnebago County, Illinois)
Built 1912
Slab bridge over Keith Creek on 12th Street
Removed in 2016

Kishwaukee River Forest Preserve Bridges (Winnebago County, Illinois)
Built 1901
Stone Arch bridges over multiple Kishwaukee River tributaries in forest preserve
Open to traffic

Kishwaukee Street Bridge (Winnebago County, Illinois)
Built 1915
Arch bridge over Keith Creek on Kishwaukee Street, 0.21 mi. north of Broadway
Replaced by a new bridge

Morgan Street Bridge (Winnebago County, Illinois)
Built 1916; rehabilitated 1960; replaced 2013
Concrete bridge over Rock River on Morgan Street, 0.2 mi. east of Main St
Gone in 2011. Replaced by a new bridge in 2013.

Nelson Bridge (Winnebago County, Illinois)
Built 1892; Replaced 1934
Lost Pratt through truss bridge over Rock River on 15th Avenue
Replaced by a new bridge

North End Bridge (Winnebago County, Illinois)
Built 1900; Replaced 1937
Lost Pony/through plate girder bridge over Rock River on Auburn Street
Replaced by a new bridge

Rockford Rail-Trail Bridge (Winnebago County, Illinois)
Built 1890s, Relocated Here 1916-1918; Converted to Trail Use 2016
Through truss bridge over Rock River on former Illinois Railway
Open to pedestrians only

Seminary Street Bridge (Winnebago County, Illinois)
Built 1901; rehabilitated 2008
Timber stringer bridge over CN/ICE Rr on Seminary Street
Open to traffic

South Main Street Bridge (Winnebago County, Illinois)
Built 1905; rehabilitated 1961
Arch bridge over Kent Creek on South Main Street in Rockford
Open to traffic

State Street Bridge (Old) (Winnebago County, Illinois)
Built 1890; Replaced 1948
Lost Pony plate girder bridge over Rock River on State Street
Replaced by a new bridge

State Street Bridge (Older) (Winnebago County, Illinois)
Built 1871, replaced 1890, but floated down to Chestnut Street
Lost Post through truss bridge over Rock River on State Street
Replaced by a new bridge

Tenth Avenue Bridge (Winnebago County, Illinois)
Built ca. 1910
Arch bridge over Keith Creek on 10th Avenue, 0.1 mi. east of Kishwaukee
Open to traffic

UP - 20th Street Overpass (Winnebago County, Illinois)
Built 1896
Girder bridge over 20th Street on UPRR (Former C&NW)
Open to traffic

UP - 9th Street Overpass (Winnebago County, Illinois)
Built 1890
Deck plate girder bridge over 9th Street on UPRR (Former C&NW)
Open to traffic

UP - Broadway Street Overpass (Winnebago County, Illinois)
Built 1917
Deck plate girder bridge over Broadway on Union Pacific Railroad
Open to traffic

UP - Keith Creek Bridge (Winnebago County, Illinois)
Built 1913
Deck plate girder bridge over Keith Creek on Union Pacific Railroad
Open to traffic

UP - Main Street Overpass (Winnebago County, Illinois)
Built 1893, Through Girders added 1903
Pony/through plate girder bridge over Main St (IL2) on Union Pacific Railroad
Open to traffic

UP - North Fork Kent Creek Arch (Winnebago County, Illinois)
Built 1901
Deck arch bridge over North Fork Kent Creek on Railroad (UP)
Open to traffic

UP - Rock River Bridge (Winnebago County, Illinois)
Built 1896
Warren deck truss bridge over Rock River on Union Pacific Railroad in Rockford
Open to traffic

UP - Rockford Rail Crossing (Winnebago County, Illinois)
Built 1896
Stone arch bridge over Future Park (Nee CB&Q) on Railroad (UP)
Open to traffic

UP - Tay Street Overpass (Winnebago County, Illinois)
Built 1906
Pony/through plate girder bridge over S. Fork Kent Creek on Union Pacific Railroad
Open to traffic