Low clearance bridges on I-40 Business

6 spots where I-40 Business has less than 16 ft of clearance, in the order you drive them from west to east. The lowest is 14 ft 9 in in North Carolina, 0.7 mi N Junction US 158. 2 are under 15 ft.

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

Map of I-40 Business with a pin on each low spot.
Hover a pin to read it, tap it to find it in the list. © Mapbox © OpenStreetMap

North Carolina · 6 under 16 ft

ClearanceWhereCounty
15 ft 3 inUnder Old Vineyard Road SW · 0.8 mi S Junction SR1001 · MapForsyth County
15 ft 10 inUnder NC67 · 0.5 mi W Junction US 158 · MapForsyth County
14 ft 9 inUnder Westview Drive · 0.7 mi N Junction US 158 · MapForsyth County
15 ft 5 inUnder Knollwood · 0.5 mi N Junction US 158 · MapForsyth County
15 ft 3 inUnder US 158 · 0.3 mi S Junction SR1001 · MapForsyth County
14 ft 11 inUnder SR4325 · 0.5 mi S Junction US 311 · MapForsyth County