10:15 PM UPDATE: Steuben County officials later identified the man that died as 20 year old Jessy Whittaker of Fremont.

Our earlier story…

STEUBEN COUNTY, Ind. (WOWO): One man is dead after driving his vehicle into a semi truck.

Steuben County officials responded to the wreck on US 20 east of County Road 750 at about 10:40 Saturday night.

An investigation determined that the vehicle being driven by an unidentified man crossed the center line into the west bound lane and hit the semi being driven by 21 year old Caleb Gardner head-on. It's unknown what caused the man to cross the center line.

The victim was wearing his seatbelt and alcohol is not believed to be a factor. The man's identity has not been released.