Low clearance bridges on I-91

13 spots where I-91 has less than 16 ft of clearance, in the order you drive them from south to north. The lowest is 14 ft 4 in in Connecticut, .25 mi West of US 5. 2 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-91 with a pin on each low spot.
Hover a pin to read it, tap it to find it in the list. © Mapbox © OpenStreetMap

Connecticut · 12 under 16 ft

ClearanceWhereCounty
15 ft 10 inOver I-91 TR 807 · Route 91 Exit No. 13 · MapNew Haven County
15 ft 10 inUnder Harrison Road · .50 mi South of Route 150 · MapNew Haven County
15 ft 10 inUnder SR 738 (E. Center · .76 mi So of Rte 68 · MapNew Haven County
15 ft 10 inUnder New Rock Hill Road · 1.77 South of Route 68 · MapNew Haven County
15 ft 10 inUnder Carpenter Lane · .54 mi North of Rte 68 · MapNew Haven County
15 ft 8 inUnder Murdock Avenue · .74 mi So of RT 15 NB Ext · MapNew Haven County
15 ft 10 inUnder I-691 EB · 03 West of Access I-91NB · MapNew Haven County
15 ft 10 inUnder I-691 WB · 500 East Exit 10-691 WB. · MapNew Haven County
15 ft 8 inUnder Route 9 Southbound · 1.6 mi N of Route 372 · MapMiddlesex County
15 ft 8 inUnder Orchard Street · 0.4 Mile South of Exit 24 · MapHartford County
14 ft 7 inUnder US Route 5-KING Street · 1.2 mi N of E Windsor TL · MapHartford County
14 ft 4 inUnder Sword Avenue · .25 mi West of US 5 · MapHartford County

Vermont · 1 under 16 ft

ClearanceWhereCounty
15 ft 11 inUnder TR 0TH33 · 0.5 mi N Exit 12 · MapWindsor County