A man was killed in a morning crash with a tractor-trailer in Blount County that also injured a teen.

The wreck happened at 7:32 a.m. Wednesday on U.S. 231, about four miles south of Oneonta.

ALEA Senior Trooper Vu Quang said 83-year-old Bobby M. Shirley was driving a Chevrolet Silverado 1500 that struck a Mack tractor-trailer driven by Brian L. Bunch, 58, of Guntersville.

Shirley was not using a seat belt at the time of the crash and was pronounced dead on the scene.

A 15-year-old passenger in Shirley’s truck was injured and taken to a nearby hospital for treatment.

The investigation is ongoing by troopers.