The victim is identified as Madison Pluger of Spencer. Authorities say she was visiting her grandmother and family where the accident happened.
Marinette County Sheriff Jerry Sauve says the crash was reported just before 3 p.m. Saturday on private property in the Town of Grover. Authorities say the girl was operating the go-kart when she struck a parked pickup. She suffered shoulder and internal injuries.
The girl was taken to an Oconto hospital. Several hours later, authorities were notified that she had died from complications of internal injuries.
The sheriff’s office and Marinette County coroner continue to investigate.