A St. Charles man was flown to the hospital with serious injuries after his Chevy Silverado crashes in Pike County, Mo.

The Missouri State Highway Patrol says the crash occurred at 5:30 p.m. Saturday on Highway UU just east of US 61.

Troopers report 26 year-old Ryan Koenig’s westbound pickup ran off the right side of the road, striking a concrete pillar.   Koenig was ejected from the vehicle when it overturned several times.  He was taken by Arch Helicopter to Mercy Hospital in Creve Couer.

A passenger, 17 year old Chelsea Rodebaugh of St. Charles suffered moderate injuries and went to Pike County Medical Center by ambulance.

According to Highway Patrol Arrest Reports, Koenig is charged with Felony Assault 2nd in connection with the accident, and Misdemeanor charges of Driving While Intoxicated.

Troopers say neither occupant was buckled up at the time of the crash.