Deputies from the Champaign County Sheriff’s Office responded to a motorcycle/car accident near Mechanicsburg at the intersection of State Route 4 and State Route 56 Saturday morning around 9:20.
Katie Fifield, 18, of Cable, was driving a '96 Chevy Lumina northbound on Route 4 attempting to make a left turn onto 56.
Justin Fry, 32, of Fairborn, was riding a 2012 Honda motorcycle behind the Lumina.
As Fifield was turning, Fry attempted to pass on the left side and the vehicles collided.
Fry, who was wearing his helmet, suffered serious injuries. He was transported from the scene by CareFlight to Miami Valley Hospital.
Fifield was not injured. She was wearing her seat belt.
Mechanicsburg Fire and EMS assisted at the scene.
The crash remains under investigation.