Authorities still have all main lanes closed on 59 southbound after an overnight semi crash and fire. Hazmat crews are also on scene. The incident occurred near the San Jacinto Bridge. The driver of the semi, who unfortunately died in the crash, was heading southbound on 59 when he struck roadside barriers. The 18-wheeler was hauling lawn mowers. Multiple secondary accidents occurred while onlookers drove by the scene. www.houstontranstar. org