At 1:10 this afternoon the Tuscaloosa County Sheriff's Office released this statement:

I-59 NB exit 68 ramp is Closed as well as the entrance ramp from Mallisham Pkwy onto I-59 NB due to a overturned 18 wheeler carrying liquid asphalt. These ramps will be closed at least through evening rush hour as crews work to clean the roadway and remove the wrecked 18 wheeler.

Here are pictures from the accident.

Tuscaloosa County Sheriff's Office
Tuscaloosa County Sheriff's Office