Belvidere, Illinois

CNW Spur - Belvidere Bridge (Boone County, Illinois)
Double-intersection Warren deck truss bridge over Kishwaukee RIver on abandoned UPRR Spur
Abandoned but still intact

Kishwaukee River Bridge (Replacement) (Boone County, Illinois)
Stringer bridge over Kishwaukee River on State St
Open to traffic

State Street-Kishwaukee River Bridge (Old) (Boone County, Illinois)
Lost stringer bridge on State Street over Kishwaukee River
Replaced by a new bridge

State Street-Kishwaukee River Bridge (Older) (Boone County, Illinois)
Lost pony truss bridge over Kishwaukee River on State Street and Elgin and Belvidere Electric Company
Replaced by a new bridge

UP - Unnamed Creek Arch (Boone County, Illinois)
Built 1854
Stone arch bridge over Unnamed Creek on Union Pacific Railroad
Open to traffic