Low clearance bridges on I-279

7 spots where I-279 has less than 16 ft of clearance, in the order you drive them from south to north. The lowest is 13 ft 10 in in Pennsylvania, Fort Duquesne Bridge. 1 is under 14 ft and 4 under 15 ft.

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

Map of I-279 with a pin on each low spot.
Hover a pin to read it, tap it to find it in the list. © Mapbox © OpenStreetMap

Pennsylvania · 7 under 16 ft

ClearanceWhereCounty
14 ft 2 inOver Point St Park Mon River · Fort Pitt Bridge · MapAllegheny County
14 ft 0 inOver I-279 NB Ramp D Allgy Ri · Fort Duquesne Bridge · MapAllegheny County
13 ft 10 inOver Ft Duq BRDG NB Allegh R · Fort Duquesne Bridge · MapAllegheny County
15 ft 10 inUnder SR 0065 SB · Fort Duquesne Bridge · MapAllegheny County
15 ft 1 inOver Various City Streets · Fort Duquesne Bridge · MapAllegheny County
15 ft 5 inUnder East Ohio Street · E Ohio St. under SR 0579 · MapAllegheny County
14 ft 6 inUnder Perrysville Avenue RP · Perrysville Interchange · MapAllegheny County