A Superior man will spend decades in prison for kidnapping and sexually assaulting a child. 

On Friday, a Douglas County judge handed down a 60 year prison sentence for Peter Diehl, 33.

25 of those years will be served will be extended supervision. 

A jury convicted Diehl during a trial in April.

According to the criminal complaint, In August of 2015, Diehl drove to the state of Virginia and picked up a 14-year-old girl he met on the Internet, and then took her to a hotel in Hermantown. 

The girls' mother reported her missing on the same day.

The girl was finally able to reach her mother the following month.

Douglas County District Attorney Mark Fruehauf  said the victim told authorities she had been sexually assaulted about 50 times.

Diehl was earlier sentenced to 20 years in federal prison on federal child pornography charges.