A Franklin County teen was seriously injured Saturday evening in an accident involving a utility vehicle in the Campbellton area.

The Missouri Highway Patrol reported that Sarah E. Hoemann, 15, Washington, was transported by air ambulance to St. Louis Childrens Hospital  following the 6:50 p.m. accident on Lyon Road near Highway 185.

Hoemann was driving a 2008 Kubota RTV 900 eastbound when the vehicle had a mechanical failure causing her to fall off the vehicle, according to the preliminary patrol report.