Low clearance bridges in Winnebago County, Illinois

22 spots where an interstate or US highway in Winnebago County has less than 16 ft of clearance, lowest first. The lowest is 14 ft 9 in on US-20, .6 mi S of I-90. 2 are 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.

Clearance	Where	Highway
14 ft 9 in	Under I-39 NB · .6 mi S of I-90 · Map	US-20
14 ft 9 in	Under US RT 20 WB · 3 mi W of Rockford · Map	US-20 Business
15 ft 1 in	Under Mulford Road · .5 mi E of US 51 · Map	I-39
15 ft 1 in	Under Rote Road · 2 mi E Rockford · Map	I-39
15 ft 1 in	Under Rote Road · 2 mi E Rockford · Map	I-90
15 ft 1 in	Under I-90 S B · 1.2M W of Newburg Road · Map	US-20 Business
15 ft 3 in	Under I-90 Ramp · .25 mi N of 20 Br · Map	I-39
15 ft 3 in	Under Elevator Road · 1 mi E of Roscoe · Map	I-39
15 ft 3 in	Under Spring Creek Road · 2 mi N RT 20 Br · Map	I-39
15 ft 3 in	Under Harlem Road · 2 mi S of Ill 173 · Map	I-39
15 ft 3 in	Under Swanson Road · 1.5 mi N Ill 173 · Map	I-39
15 ft 3 in	Under Riverside Road · 2 mi E Loves Park · Map	I-39
15 ft 3 in	Under Elevator Road · 1 mi E of Roscoe · Map	I-90
15 ft 3 in	Under Spring Creek Road · 2 mi N RT 20 Br · Map	I-90
15 ft 3 in	Under Harlem Road · 2 mi S of Ill 173 · Map	I-90
15 ft 3 in	Under Swanson Road · 1.5 mi N Ill 173 · Map	I-90
15 ft 3 in	Under Riverside Road · 2 mi E Loves Park · Map	I-90
15 ft 3 in	Under Montague Road · 1.5 mi E Meridian Road · Map	US-20
15 ft 8 in	Under Rockton Road · 2.5 mi S of Ill 75 · Map	I-39
15 ft 8 in	Under Rockton Road · 2.5 mi S of Ill 75 · Map	I-90
15 ft 8 in	Under Alpine Road · South Edge Rockford · Map	US-20
15 ft 8 in	Under I-90 N B · 2 mi E Rockford · Map	US-20 Business