Low clearance bridges on US-421

31 spots where US-421 has less than 16 ft of clearance, in the order you drive them from south to north. The lowest is 14 ft 2 in in North Carolina, 0.6 mi N Junction SR1793. 12 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 3 in over Cape Fear River · US-42115 ft 11 in over Cape Fear River · US-42114 ft 7 in under US701B · US-42115 ft 2 in under SR1226 · US-42114 ft 8 in under NC24RAMP · US-42114 ft 10 in under SR1214 · US-42115 ft 3 in under US701RAMP · US-42114 ft 4 in under I-95N · US-42114 ft 2 in under I-95S · US-42115 ft 6 in under US 1 / 15 / 501 NC87BUS · US-42114 ft 10 in under SR2135 · US-42115 ft 1 in under SR1010 · US-42115 ft 10 in under SR2261 · US-42115 ft 3 in under Old Vineyard Road SW · US-42115 ft 0 in under SR1160 · US-42115 ft 10 in under NC67 · US-42114 ft 9 in under Westview Drive · US-42115 ft 3 in under US 158 · US-42114 ft 10 in under SR1175 · US-42114 ft 4 in under SR1001(CLOSED) · US-42114 ft 2 in under SR1301 · US-42115 ft 7 in under SR1570 · US-42115 ft 11 in under SR1103 · US-42115 ft 4 in under SR2340 · US-42115 ft 6 in under SR2433 · US-42115 ft 5 in under HR-9006 · US-42114 ft 11 in under I-64 (East) · US-42114 ft 4 in under I-64 (West) · US-42115 ft 9 in under I-465 EB · US-42115 ft 3 in under I-465 WB · US-42115 ft 0 in under North Street · US-421