VERNAL — A Colorado man was killed in a single-vehicle rollover crash late Monday or early Tuesday, according to the Utah Highway Patrol.

Bryce Laroy Dingman's body was found about 12:30 p.m. Tuesday near the truck he had been driving, troopers said.

The truck was not visible from state Route 121, but was spotted by a Duchesne County road crew worker who noticed a set of tire tracks that left the pavement and went off a steep embankment about 4 miles west of Vernal.

Investigators believe Dingman, 31, failed to negotiate a curve in the road and crashed, fatally injuring himself. It's unknown whether the crash occurred late Monday or early Tuesday, they said.

Dingman, who listed Grand Junction, Colo., as his place of residence on his Facebook page, had been living with his grandparents in Uintah County and working for a Roosevelt-based construction company at the time of his death, troopers said.

Evidence at the scene indicated that Dingman was not wearing a seat belt, and that alcohol use may have been a factor in the crash, according to investigators.

Geoff Liesik Twitter: GeoffLiesik