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.
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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.