Low clearance bridges on US-21

7 spots where US-21 has less than 16 ft of clearance, in the order you drive them from south to north. The lowest is 14 ft 1 in in Virginia, 1.82M to 656 & 2.0M to 77. 3 are under 15 ft.

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

15 ft 8 in under I-26 · US-2115 ft 5 in under I-77 · US-2115 ft 7 in under I-77 NBL · US-2115 ft 5 in under I-77 SBL · US-2114 ft 9 in under US 421 NBL · US-2114 ft 1 in under I-81 NBL · US-2114 ft 2 in under I-81 SBL · US-21