Bismarck, NORTH DAKOTA – Authorities say the 66-year-old motorcyclist was southbound on Bixby Road near the intersection of Ridgeview Road when his Harley-Davidson FLHTK went into the ditch.

His name is Vernell Hoechst and he was thrown off his motorcycle.

The 66-year-old man suffered serious injuries and was taken to a hospital.

Unfortunately, he was later pronounced dead.

Authorities say the man was not wearing a helmet at the time of the crash.

This incident is still under investigation.

This is a developing story and it will be updated as new information become available.