The crash happened shortly before 5 a.m. on westbound Interstate 270 near Lewis and Clark Boulevard, according to the Missouri State Highway Patrol.

Cass County crash between dirt bike, truck leaves 15-year-old dead Deputies said the driver of the dirt bike wasn't wearing a helmet at the time of the crash and was pronounced dead at the scene.

ST. LOUIS COUNTY, Mo. — One person was killed early Monday morning in a rollover crash in north St. Louis County. The crash happened at about 4:30 a.m. on westbound Interstate 270 near Lewis and ...