16-year-old Andrew Beals of rural Monticello died in the incident Monday morning, the Piatt County Sheriff's Office said.
Officers received reports that a single vehicle had driven off the road around 9:00 on Monday morning, the office said.
Beals was found unresponsive and was transported to a local hospital where he passed away, officials said.
Funeral arrangements are pending, while a cause of death is still being investigated.