Low clearance bridges in Knox County, Illinois

11 spots where an interstate or US highway in Knox County has less than 16 ft of clearance, lowest first. The lowest is 14 ft 0 in on US-34, W of I-74 & 34 Interch. 6 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.

14 ft 0 in under TR 74 Farnham Street · US-34 14 ft 0 in under Lincoln Park Drive · US-34 14 ft 0 in under US 34 WB · US-150 14 ft 0 in under US 34 EB · US-150 14 ft 6 in under FAS 1400-CH 9 · I-74 14 ft 9 in under BNSF(065601P) · US-34 15 ft 10 in under TR 399-100N · I-74 15 ft 10 in under WB US 34 · I-74 15 ft 10 in under Ontario Road · I-74 15 ft 10 in under Rio Road · I-74 15 ft 10 in under Henderson Road (CH 3 · I-74

Clearance	Where	Highway
14 ft 0 in	Under TR 74 Farnham Street · W of I-74 & 34 Interch · Map	US-34
14 ft 0 in	Under Lincoln Park Drive · 0.6 mi E of US 150 · Map	US-34
14 ft 0 in	Under US 34 WB · N CL of Galesburg · Map	US-150
14 ft 0 in	Under US 34 EB · N CL of Galesburg · Map	US-150
14 ft 6 in	Under FAS 1400-CH 9 · Knoxville Interchang · Map	I-74
14 ft 9 in	Under BNSF(065601P) · 1.5 mi E of US 150 · Map	US-34
15 ft 10 in	Under TR 399-100N · 1 mi SW of Woodhull · Map	I-74
15 ft 10 in	Under WB US 34 · NE of Galesburg · Map	I-74
15 ft 10 in	Under Ontario Road · .5 mi N Henderson Cr · Map	I-74
15 ft 10 in	Under Rio Road · 5 mi S Woodhull · Map	I-74
15 ft 10 in	Under Henderson Road (CH 3 · 2.5 mi W of Wataga · Map	I-74