The Chillicothe post of the Ohio State Highway Patrol is investigating a fatal two-vehicle crash that occurred on U.S. Route 23 in Ross County Monday night.
According to troopers, the crash Matthew S. Barnhart, 44, of Chillicothe, was driving a 1998 Peterbuilt semi, hauling a track-hoe on a trailer, southbound on U.S. 23 at about 9:05 p.m.
Barnhart had pulled onto U.S. 23 from an access road just south of Orr Road.
Larry E. Richart Jr. , 47, of Chillicothe, was driving a 1998 Chevrolet S-10 pick-up truck when his vehicle struck the rear of the semi trailer.
A passenger of Richart's pickup truck, Brent R. Smith, 20, was pronounced dead at the scene.
Barnhart and Richart were not injured in the crash.
A passenger in the semi, Ralyn L. Barnhart, 74, of Chillicothe, was not injured in the crash.
Green Township Fire and EMS and the Ohio Department of Transportation assisted on scene.