UPDATE from the Alabama Department of Transportation (ALDOT) 9-20-18 1 a.m.:
"A bridge on I-65 southbound over the CSX railroad north of the Lacon exit was damaged by a heavy piece of equipment during a tractor trailer crash Wednesday evening. It was necessary to keep the bridge closed until ALDOT personnel could assess the damage. It appears the southbound roadway must remain closed Thursday and possibly into Friday for bridge repair.
"Motorists are advised to use U.S. 31 or other alternate routes.
Throughout (Wednesday) evening traffic was detoured to Morgan County 55 at the Falkville exit (322). About midnight, the detour was being shifted. Overnight, southbound traffic will be detoured at the Priceville Exit (334) to Alabama 67 northbound to U.S. 31 southbound. Expect delays on detour routes."
EMERGENCY ALERT FROM THE ALABAMA LAW ENFORCEMENT AGENCY (ALEA):
"Interstate 65 near mile marker 319 is closed for an unknown amount of time. A crash involving a tractor-trailer hauling a large machine has damaged the bridge. All traffic southbound should detour at exit 322. Go west on East Pike Road to U.S. 31. Go south on U.S. 31 back to exit 318 to get back on I-65 south. There are no injuries in this crash."
— Alabama Law Enforcement Agency (@ALEAprotects) September 20, 2018