A 53 year old Bismarck man is dead after failing to negotiating a curve in Mandan.

The accident happened near Eastside Court and Main Street. The rider is William Stahle.

According to the Highway Patrol, the rider's motorcycle hit a curb. The bike flipped, came back across the road and hit another curb. Stahle came to rest in a ditch after being thrown from the bike.

Justin Sullivan / Getty Images
Justin Sullivan / Getty Images
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Stahle was pronounced dead at the hospital.

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