An Adel man has died following a motorcycle wreck in downtown Des Moines that occurred early Saturday morning.

Sources say the single-vehicle crash happened at around 1 a.m. near the corner of 2nd Avenue and Crocker Street, close to Wells Fargo Area. The Des Moines Police Department reports that 21-year-old Austin Goodrich of Adel sustained severe head injuries after losing control of his motorcycle. He was believed to be driving at excessive speeds when he lost control heading northbound on 2nd, striking the west curb of the street. No other vehicles were involve in the wreck. Police say he was not wearing a helmet at the time, and he was in critical condition when transported to Mercy Hospital. He later died from his injuries.

The Des Moines Police Department Traffic Unit is still investigating the crash to determine the exact cause. Raccoon Valley Radio will bring you more information as it becomes official.