Authorities have determined the cause of death of a 17-year-old girl found Tuesday on State Road 256 was suicide.

Katelyn Bruner was discovered near an outbuilding in the 5400 block of State Road 256. Coroner Alice Carlson Jackson said the cause of death was ruled a self-inflicted gunshot wound.

The Jefferson County Sheriff's Department led the death investigation and was assisted by the Indiana State Police.