The Fort Duquesne Bridge is a bridge in Pittsburgh, Pennsylvania spanning the Allegheny River at it's 0.2 mile marker. It is a four lane double decker bridge with two on ramps on either side of the bridge and deck making a total of eight ramps. Construction started in 1959 and was finished on October 17, 1969. At one point in it's construction, the bridge was nicknamed The Bridge to Nowhere because of an unfinished ramp on the northeastern side. The bridge is the sister bridge of the Fort Pitt Bridge.
It's considered I-279 and has northbound on the upper deck and southbound on the lower deck, both four lanes wide with a pedestrian walkway on downstream side of lower deck, which gets quite windy during the winter.
Northern ramps connect to/from I-279, North Shore Expressway to Reedsdale St from Allegheny Av, Ridge Av via North Shore Expressway. Southern ramps connect to/from I-279 and I-376 via Portal Bridge, Fort Pitt Blvd, Fort Duquesne Blvd from 10th St Bypass.
Both of the northern ramps go over parking lots for both PNC Park and Heinz Field.