Low clearance bridges on I-12

6 spots where I-12 has less than 16 ft of clearance, in the order you drive them from west to east. The lowest is 15 ft 9 in in Louisiana, I-12.

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

Map of I-12 with a pin on each low spot.
Hover a pin to read it, tap it to find it in the list. © Mapbox © OpenStreetMap

Louisiana · 6 under 16 ft

ClearanceWhereCounty
15 ft 11 inUnder Millerville Road · I-12 · MapEast Baton Rouge Parish
15 ft 11 inUnder LA0016 · LA0016 · MapLivingston Parish
15 ft 9 inUnder Sontheimer Road · I-12 · MapTangipahoa Parish
15 ft 10 inUnder Firetower Road · I-12 · MapTangipahoa Parish
15 ft 11 inUnder Dixie Ranch Road · 4.2 M E of LA 434 · MapSt. Tammany Parish
15 ft 11 inUnder Airport Road · 6.2 M E of LA 434 · MapSt. Tammany Parish