The crash happened at 10:18 p.m. Saturday on the westbound exit at Illinois Route 84, according to the state police. The rider lost control and was thrown from the motorcycle. He was pronounced dead at the Genesis Medical Center, Silvis.
Rock Island County Coroner Brian Gustafson identified the man as Michael L. Birely, 33, of Keystone, Iowa. An autopsy is scheduled for today, Tuesday, July 9.