Wilkinson County Sheriff's officials are looking for the driver of a black log truck that struck another truck at about 3:50 p.m. Wednesday on Hwy. 57 in Gordon.
Investigator Rod Chapman said witnesses reported that the log truck moved into the lane of another large dump truck that was hauling gravel.
The back of the log truck struck the other truck and drove off, said Chapman.
The driver of the dump truck was taken to the hospital. His condition wasn't known late Wednesday.
The road remained closed at 5 p.m. and Chapman said it would be closed until around 6 p.m.
Investigators are asking that anyone who sees a black log truck with damage on the driver's side to call (478) 946-2411.