The Illinois State Police are investigating a fatal motorcycle accident that happened Saturday evening or night.
Police say the male victim was not wearing a helmet when left the roadway at a curve on the I-255 northbound ramp to I-55.
The victim had been reported missing to the Maryville Illinois police department around 9 pm Saturday night.
Just after 8:30 am Sunday morning the Illinois State Police was notified about the accident.
Authorities say the accident scene was obscured by tall grass.