The Commercial Street Bridge Replacement
When I learned that PennDOT was going to replace the Commercial Street Bridge, my initial reaction was that somebody had a big problem ahead of him. Located just east of the Squirrel Hill Tunnel on the Parkway East, that location is notorious for traffic jams. The prospect of partially closing down the Parkway for several years to replace this bridge would be a massive headache. Then I learned that a combination of three prominent local organizations – PennDOT; HDR; and Fay, S&B USA Construction– was planning to utilize the Accelerated Bridge Construction concept to reduce the shut-down period to less…








