Low clearance bridges on Iowa interstates and US highways

45 spots where an interstate or US highway in Iowa has less than 16 ft of clearance. The lowest is 14 ft 0 in on US-67, 1.3 mi N of RT Terminus. 18 are under 15 ft.

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

14 ft 7 in under IA 17514 ft 11 in under IA 14115 ft 10 in under Rist Avenue15 ft 10 in under L1915 ft 1 in under G6415 ft 8 in under R37 Robin Street15 ft 10 in under IA 16015 ft 10 in under IA 21015 ft 10 in under G5015 ft 10 in under Quaker Street15 ft 10 in under IA 915 ft 10 in under 160 TH Street15 ft 10 in under SR C-2514 ft 4 in over S-W Conn over EB I-88014 ft 4 in under WB I-8015 ft 5 in under I-280 WB15 ft 5 in under I-280 EB15 ft 10 in under P 58 L Avenue15 ft 1 in under I-80 EB15 ft 8 in over Missouri River & City Street15 ft 10 in under 200th Street15 ft 10 in under I-29 NB14 ft 4 in under I-74 EB14 ft 6 in under I-80 EB14 ft 6 in under I-74 WB14 ft 9 in under I-80 WB15 ft 10 in under I-35 SB I-80 WB15 ft 10 in under X 35 (270th Ave)14 ft 6 in under US 6514 ft 9 in under I-35 NB15 ft 1 in under I-35 SB15 ft 10 in under NB US 15115 ft 10 in under I-380 Ramp F EB14 ft 7 in under IA 1414 ft 7 in under US 5914 ft 11 in under Main Street15 ft 10 in under Gear Avenue15 ft 8 in under I-280 (NB-WB)14 ft 7 in under Lincoln Highway14 ft 0 in under Arsenal Isl Road15 ft 5 in under I-8014 ft 6 in under EB US 3014 ft 6 in under WB US 3015 ft 8 in under Main Street14 ft 9 in under I-80 WB