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Boone County

Illinois
Beaver Creek Bridge   [Map]
Pratt pony truss bridge over Beaver Creek on Private walkway
Open to pedestrians only
Bel-Mar Country Club Bridge   [Map]
Pony truss bridge over Kishwaukee River on Golf Course Cart path
Open to pedestrians
Early 1900's
CN - Poole Road Overpass   [Map]
Timber stringer bridge over Poole Road on Railroad
Open to traffic
Elgin-Belvidere Electric - Kishwaukee River Bridge   [Map]
Abandoned ribbed closed-spandrel arch bridge over Kishwaukee River on abandonded Elgin-Belvidere Railroad
Abandoned. Derelict crumbling/overgrown
Built 1905
Frank F. Beck Bridge   [Map · Street View]
Pony truss bridge over a landscape feature on Private Driveway
Open to traffic
Kinnikinnick Creek Bridge   [Map]
Lost Bridge over Kinnikinnick Creek on Free Church Road
Destroyed by flooding
Kishwaukee River Bridge   [Map · Street View]
Stringer bridge over Kishwaukee River on State St
Open to traffic
Kishwaukee River Bridge   [Map]
Lost Truesdell pony truss bridge over Kishwaukee River
No longer exists
built in the 1860s
South Kinnikinnick Creek Covered Bridge   [Map]
Bridge over S Kinnikinnick Creek on private property
Open but on private property
Built 1890
State Street-Kishwaukee River Bridge (Old)   [Map]
Lost stringer bridge on State Street over Kishwaukee River
Replaced by a new bridge
State Street-Kishwaukee River Bridge (Older)   [Map]
Lost pony truss bridge over Kishwaukee River on State Street and Elgin and Belvidere Electric Company
Replaced by a new bridge
UP - Belvidere Bridge   [Map]
Double-intersection Warren deck truss bridge over Kishwaukee RIver on abandoned UPRR Spur
Abandoned but still intact
UP - I-90 Overpass   [Map · Street View]
Deck plate girder bridge over Interstate 90 on UPRR (Former C&NW)
Open to traffic
Built 1958
UP - Kishwaukee River Bridge   [Map]
Through truss bridge over Kishwaukee River on UPRR (former C&NW)
Open to traffic
Built 1904
UP - Unnamed Creek Arch   [Map]
Stone arch bridge over Unnamed Creek on Union Pacific Railroad
Open to traffic
Built 1854
UP - US20 Bypass Bridge   [Map · Street View]
Girder bridge over US 20 Bypass on UPRR (Former C&NW)
Open
Built 1986