About 24 hours after the Commercial Street Bridge was imploded, crews hit dynamite that had unknowingly failed to detonate, causing another explosion that sent workers running.
Around 7:40 a.m. on July 17, PennDOT cameras captured the moment at the Parkway East construction site. It showed a blast followed by a plume of dust filling the air, almost exactly 24 hours after contractors blasted the old Commercial Street Bridge. In the video, you can see what appears to be workers running away, as others turn to look, trying to figure out what happened.
District 11 Senior Assistant Construction Manager John Myler confirmed to KDKA that as crews were cleaning up debris from the demolition of the bridge, a piece of equipment hit an explosive that hadn’t gone off in the initial blast…