SCOTT CITY -- A 32-year-old Jackson man died early Saturday in a one-vehicle accident on Interstate 55 south of Scott City.

Jeffery Webber was killed when his northbound pickup truck struck a guardrail, crossed the roadway and struck a bridge. Webber was thrown from the vehicle, the Missouri Highway Patrol said.

The patrol said Webber wasn't wearing a seat belt.

A 1981 graduate of Bloomfield High School, Webber was employed as a truck driver with Potashnick of Sikeston.

Webber was the 40th person to die this year in traffic accidents in the patrol's Troop E District of Southeast Missouri.