Low clearance bridges on I-81

24 spots where I-81 has less than 16 ft of clearance, in the order you drive them from south to north. The lowest is 14 ft 9 in in New York, 0.5 mi N Junction RTS I-81+173. 4 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.

Map of I-81 with a pin on each low spot.
Hover a pin to read it, tap it to find it in the list. © Mapbox © OpenStreetMap

Tennessee · 9 under 16 ft

ClearanceWhereCounty
15 ft 11 inUnder I-40 · 12 mi E.Of Sevier Co. Lane · MapJefferson County
15 ft 10 inUnder NFA 2469 (Sa 3015) · 2.55 mi W.Of Hamblen Co. · MapGreene County
15 ft 10 inUnder NFA B083 · 3.35 mi E.Of Hamblen Co. · MapGreene County
15 ft 10 inUnder NFA B069 · Near Greenville Tenn. · MapGreene County
15 ft 10 inUnder NFA 1350 (Sa 3016) · Near Greenville Tenn. · MapGreene County
15 ft 11 inUnder NFA 2590 · Near Greenville Tenn. · MapGreene County
15 ft 11 inUnder NFA A082 (Sa 3020) · 2 mi W of SR-70 · MapGreene County
15 ft 11 inUnder FAP 70 · Near Greenville Tenn. · MapGreene County
15 ft 10 inUnder FAP 1 · At Virginia State Line · MapSullivan County

Virginia · 5 under 16 ft

ClearanceWhereCounty
15 ft 10 inUnder College Drive · 0.0 FR F031 & 0.55 to 609 · MapWashington County
15 ft 11 inUnder Lee Highway · 0.04 FR 660; .05 to 660 · MapSmyth County
15 ft 4 inUnder Pleasant Valley Road · 0.18 Rte 11-0.05 Rte 973 · MapHarrisonburg city
14 ft 11 inUnder Route 33 WBL · 0.32 Cantrel -0.25 Burges · MapHarrisonburg city
15 ft 10 inUnder Trinity Church Road · 0.24 RT 11 - 0.02 RT F238 · MapRockingham County

Maryland · 2 under 16 ft

ClearanceWhereCounty
14 ft 11 inUnder US 40 EB · 0.85 Mile South of MD 58 · MapWashington County
14 ft 11 inUnder US 40 WB · 0.85 Mile South of MD 58 · MapWashington County

Pennsylvania · 2 under 16 ft

ClearanceWhereCounty
15 ft 11 inUnder SR 1016(LR 53045) · 2 mi North of Delano · MapSchuylkill County
15 ft 10 inUnder SR 0547 TR 547 · Harford TWP over SR 0081 · MapSusquehanna County

New York · 6 under 16 ft

ClearanceWhereCounty
14 ft 9 inUnder East Glen Avenue · 0.5 mi N Junction RTS I-81+173 · MapOnondaga County
15 ft 7 inUnder County Road 91 · 1.0 mi N Junction 193 + I-81 · MapJefferson County
15 ft 11 inUnder Ikeys Crossing Road · 1.4 mi S Junction 178 + I-81 · MapJefferson County
15 ft 11 inUnder Rte 342 · 5.0 Miles North of Watert · MapJefferson County
15 ft 11 inUnder County Road 15 · 1.6 mi N Junction I-81 + 411 · MapJefferson County
15 ft 11 inOver Tiba Shop Access Road C · 2.5 mi SW of Alex. Bay · MapJefferson County