This steel girder bridge was completed January 2, 1958. The original span at this site was created as part of a project to build the Connecticut Turnpike, a toll road stretching from Greenwich to Killingly. The new bridge is the centerpiece of a $2 billion megaproject called the New Haven Harbor Crossing Improvement Program. Since the Gibbs Street Bridge in Portland, Oregon was redesigned from an extradosed span to a box girder bridge, the Pearl Harbor Memorial Bridge was the first extradosed bridge completed in the United States when it fully opened in September 2015. Southbound traffic was shifted onto the new bridge, sharing the northbound span with northbound traffic until the new southbound span was completed in late 2015. The old Pearl Harbor Memorial Bridge was replaced by a $554 million 10-lane extradosed bridge the northbound span of which opened to traffic on June 22, 2012. ![]() The bridge was officially dedicated as the Pearl Harbor Memorial Bridge in 1995 to commemorate the attack on Pearl Harbor. ![]() The old bridge had a girder and floorbeam design where steel beams supported a concrete bridge deck that carried three lanes of traffic in each direction with no inside or outside shoulders. This bridge replaced the original 1,300 m (0.8 mi) span which opened on January 2, 1958. The Pearl Harbor Memorial Bridge, commonly referred to as the Q Bridge by locals, is an extradosed bridge that carries Interstate 95 ( Connecticut Turnpike) over the mouth of the Quinnipiac River in New Haven, in the U.S.
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