Ronnie W. Arney, 64, Russellville, sustained moderate injuries in a one-vehicle wreck in Miller County Saturday night.
The Missouri Highway Patrol said he was northbound on Route AA, about 582 feet south of Binkley Road when his motorcycle traveled off the right side of the road and struck a MoDOT sign.
Arney, who was wearing a helmet, was taken to Capital Region Medical Center by ambulance.
The wreck occurred at about 11:49 p.m.