Low clearance bridges in Whiteside County, Illinois

5 spots where an interstate or US highway in Whiteside County has less than 16 ft of clearance, lowest first. The lowest is 14 ft 2 in on US-30, 1.0 mi E Junction Ill 136. 1 is under 15 ft.

Posted signs and your permit come first. These are the clearances Illinois reported to the federal National Bridge Inventory in 2025. Repaving, snow and new work can lower them.

Map of Whiteside County, Illinois with a pin on each low spot.
Hover a pin to read it, tap it to find it in the list. © Mapbox © OpenStreetMap
ClearanceWhereHighway
14 ft 2 inUnder Union Pacific Railroad · 1.0 mi E Junction Ill 136 · MapUS-30
15 ft 10 inUnder Prophetstown Road · 2.5 mi W Rock Falls · MapI-88
15 ft 10 inUnder River Dale Road · 2 mi W Ill 40 · MapI-88
15 ft 10 inUnder Buell Road · 1 mi W Ill 40 · MapI-88
15 ft 10 inUnder IL 40 · 1 mi S US 30 · MapI-88