A 67-year-old Marthasville man was killed Friday when the truck he was a passenger in hydroplaned and then overturned in a water-filled ditch.

A Missouri State Highway Patrol preliminary report states Micheal D. Smith was a passenger in a 1997 Ford F-250 driven by Patric A. Lamke, 29, Marthasville, that traveled into standing water on Highway 94 at Pinkney Bottom Road about 5:12 p.m.

The truck hydroplaned, traveled off the right side of the road and overturned into a ditch, the patrol said.

Both men were transported to Mercy Hospital Washington where Smith was pronounced dead at 6:18 p.m., according to the patrol.

Neither the driver no passenger were wearing seat belts, the report states. Lamke sustained minor injuries.