Concrete panels fell in Fall River tunnel in '99 Monday's Big Dig tunnel tragedy in Boston bears several similarities to falling concrete in a highway tunnel in Fall River. July 12, 2006 PAUL EDWARD PARKER Monday's Big Dig tunnel tragedy in Boston bears several similarities to a tunnel collapse in Fall River in 1999. On March 3 that year, several two-ton ceiling tiles fell from the roof of the tunnel that carries Route 195 under Fall River's city hall. Yesterday's collapse involved concrete ceiling tiles weighing three tons each. In both tunnels, the tiles were bolted to the structures above...