Low clearance bridges in Jefferson County, New York

6 spots where an interstate or US highway in Jefferson County has less than 16 ft of clearance, lowest first. The lowest is 15 ft 7 in on I-81, 1.0 mi N Junction 193 + I-81.

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

Map of Jefferson County, New York with a pin on each low spot.
Hover a pin to read it, tap it to find it in the list. © Mapbox © OpenStreetMap
ClearanceWhereHighway
15 ft 7 inUnder County Road 91 · 1.0 mi N Junction 193 + I-81 · MapI-81
15 ft 8 inUnder CSX Transprtation · 0.8 mi S Junction RTS 11 + 342 · MapUS-11
15 ft 11 inUnder Ikeys Crossing Road · 1.4 mi S Junction 178 + I-81 · MapI-81
15 ft 11 inUnder County Road 15 · 1.6 mi N Junction I-81 + 411 · MapI-81
15 ft 11 inUnder Rte 342 · 5.0 Miles North of Watert · MapI-81
15 ft 11 inOver Tiba Shop Access Road C · 2.5 mi SW of Alex. Bay · MapI-81