Edited sentence: Despite this apparent malfeasance, the company has inexplicably been hired as the primary inspector of the 35W bridge collapse which occurred on August 1, 2007 in Minneapolis, MN.PB is widely considered responsible for lax oversight in the inspections of Boston's "Big Dig" tunnels, completed in 2006, which subsequently suffered a ceiling collapse on July 9, 2006 in which at least 12 tons of concrete fell from the ceiling of a connector tunnel, resulting in the death of Milena Delvalle, 38, of Boston, who was driving in the tunnel at the time