Investigators believe the woman had been weighted down.
According to the sheriff's office, the body is a white female between 13 and 20 years old. She is 5 feet 8 inches tall. The body was found September 30 and had been underwater for a few days to six months.
The sheriff's office asks anyone with information to call (660) 438-5252 or call the Missouri State Highway Patrol at (816) 622-0800.