CARTER COUNTY, Tenn. (WJHL) — A man was flown to an area hospital after a crash involving a motorcycle and tractor-trailer on Wednesday afternoon.

The Tennessee Highway Patrol (THP) says a tractor-trailer was traveling north when it entered a curve and its trailer crossed into the southbound lane.

A man driving a 2009 Harley Davidson Sportster was traveling south entered the curve at the same time as the tractor-trailer, a report from THP said.

The report said that motorcycle flipped over on its right side while rounding the curve and skid into the back of the tractor-trailer

According to THP, the motorcyclist, identified as 56-year-old Walter C. Hamilton Jr., 56 of Thomasville, North Carolina, was airlifted to the Johnson City Medical Center.

His condition is unknown.

The driver of the tractor-trailer was uninjured in the crash.

The incident prompted the closure of Highway 321 eastbound, according to the Tennessee Department of Transportation (TDOT).

Charges, if any, are pending.

Check the state of traffic on the Tennessee Department of Transportation by visiting the SmartWay Traffic Map.