PITTSBURGH – (WPXI) – The Smithfield Street Bridge in downtown Pittsburgh reopened early Monday morning, hours after it closed because a barge hit it, a spokesperson for Pittsburgh Public Safety confirmed to our news partners at Channel 11. There were no injuries or obvious damage, according to a tweet from Allegheny County. The bridge was shut down until PennDOT inspected it. As of 3 a.m., it was back open.