A truck driver drastically miscalculated the height of his semi-trailer, smashing into a railway bridge and blocking traffic for almost five hours. The rig slammed into the Oxley Road railway bridge in Brisbane's south-west early on Tuesday morning, tearing most of the roof off the truck. Police and emergency services were called to the Sherwood area just after 5am to find heavy vehicle stuck in the 3.6m clearance. A truck driver has drastically miscalculated the height of his semi-trailer, smashing into a railway bridge and blocking traffic for almost five hours The rig slammed into the Oxley Road railway bridge in Brisbane's southwest early on Tuesday, tearing most of the roof off the truck