COLUMBUS, Ohio (WCMH) -- One person is dead after a single-vehicle crash Saturday night on a highway in northeast Franklin County. According to the Franklin County Sheriff's Office, a Toyota was going south on Interstate 270 South approaching the Johnstown Road overpass. The Toyota went off the right side of the road and collided into the concrete bridge support. How strong winter storm will impact Columbus, central Ohio Deputies from the FCSO and Mifflin Township fire responded and transported the driver of the Toyota to a hospital in critical condition. The driver was pronounced dead at 10:24 p.m. The sheriff's office is continuing to investigate the crash.