Low clearance bridges in McLean County, Illinois

11 spots where an interstate or US highway in McLean County has less than 16 ft of clearance, lowest first. The lowest is 14 ft 0 in on US-51 Business, Main St under ICG Railroad. 5 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 Union Pacific Railroad · US-51 Business 14 ft 2 in under I-74 WB · US-51 Business 14 ft 4 in under I-55 NBL · I-55 Business 14 ft 4 in under I-55 SB & CD#2279 · US-51 Business 14 ft 11 in under Union Pacific Railroad · US-51 Business 15 ft 3 in under I-55 Busn Loop · US-51 Business 15 ft 10 in under Ill 9 · I-55 15 ft 10 in under FAU 6431 / CH 29 · I-55 15 ft 10 in under Ill 9 · I-74 15 ft 10 in under County Road TR 76 · I-74 15 ft 10 in under TR 104 · I-74

Clearance	Where	Highway
14 ft 0 in	Under Union Pacific Railroad · Main St under ICG Railroad · Map	US-51 Business
14 ft 2 in	Under I-74 WB · US 51 Interchange · Map	US-51 Business
14 ft 4 in	Under I-55 NBL · NBL Ovr 55 Busn Loop · Map	I-55 Business
14 ft 4 in	Under I-55 SB & CD#2279 · Inter I-55 & US 51B · Map	US-51 Business
14 ft 11 in	Under Union Pacific Railroad · Kingsley Street & ICG · Map	US-51 Business
15 ft 3 in	Under I-55 Busn Loop · Junction Busn 55 & US 51 · Map	US-51 Business
15 ft 10 in	Under Ill 9 · Interchange Ill 9 · Map	I-55
15 ft 10 in	Under FAU 6431 / CH 29 · .5 mi N of Towanda · Map	I-55
15 ft 10 in	Under Ill 9 · Interchange Ill 9 · Map	I-74
15 ft 10 in	Under County Road TR 76 · 6.65 mi E of Ill 117 · Map	I-74
15 ft 10 in	Under TR 104 · 6 Miles W of I-55 · Map	I-74