MATT HELMS Detroit Free Press;Crews at the collapsed 9 Mile overpass above I-75 were inspecting the damage this morning from a massive tanker explosion and fire that has shut down the freeway indefinitely. Bridge demolition begins; freeway shut indefinitely Smoke still billowed from the twisted wreckage beneath the collapsed Nine Mile Road bridge on Thursday as police investigated the spectacular, fiery crash that has closed I-75 indefinitely. The driver of the gas tanker that exploded has been identified as Michael St. John, 44, of Armada. The driver of the car believed to have caused the accident may face charges and...