ST. CHARLES COUNTY, MO (KTVI)-A man was killed during a one-vehicle crash in St. Charles County Monday morning. According to the Missouri Highway Patrol, Richard M. Mellenbruch, 46, of Ballwin, was traveling east on I-64 near Research Park Parkway when he suffered some sort of medical condition. The car veered left, struck the concrete median, crossed back across all lanes of I-64, before going off the right side of the road.
Mellenbruch was pronounced dead at the scene by EMS personnel. No one else was injured.
The crash happened just before 9am.