(UPDATE) Colby Hurt, 28, has been identified as the man who died.
He was taken to a Garfield County hospital, where he was pronounced dead.
Sheriff Clay Lammers said it appeared Hurt fell asleep at the wheel while driving at a high rate of speed.
Lammers said Hurt was not wearing a seatbelt.
There were no signs of drug or alcohol use and no one else was in the vehicle.
(1st Report, 10:57 a.m.) A 28-year-old Helena man died in a crash Monday evening near Jordan.
The name of the man has not yet been released. The crash was reported at 6:43 p.m. and happened on Montana Highway 200.
According to the Montana Highway Patrol, the man was driving a Pontiac Vibe east on the outskirts of Jordan when the car slid off the road and overturned in a ditch.
The driver was pronounced dead after being transported from the scene.
The MHP reports that the man was not wearing a seat belt and it appears speed was a factor.
There were no signs of drug or alcohol use.
No one else was in the vehicle.
The MHP is continuing to investigate.
We will update you if we get more information.