LINDALE — DPS troopers and Lindale police investigated after a tanker trailer separated from its cab and rolled into the bridge support on I-20 at Farm Road 849. The bridge is closed, and will be closed until structural evaluation and any necessary repairs are complete. According to Kathi White, TxDOT Public Information Officer, Bridge experts from Austin are coming to evaluate and assist the district in assessing the damage and developing plans for future repair or potential replacement of the bridge. All eastbound lanes on I-20 have been reopened. Preliminary reports indicate that a truck-tractor towing a flatbed trailer, with an oil tank on the trailer, was westbound on I-20 when the tank struck the underside of the overpass at FM 849. The impact caused the tank to roll off the trailer, through the concrete barriers, and into the eastbound lane.