Stephen Mann, 52, of Columbus was killed Sunday afternoon in a two-vehicle crash on River Road.
Deputy Coroner Charles Newton said the ambulance got the call at 5:02 p.m. and Newton pronounced Mann dead on the scene at 5:35 p.m..
Newton gave blunt force trauma to the head as the cause of death.
Newton said the wreck occurred near the Heiferhorn Creek Bridge.
He said it appears that Mann lost control of his Nissan SUV and struck another vehicle. Newton said the other driver was not seriously injured.
Newton said Mann was not wearing a seat belt.