A serious motorcycle accident on Wattendorf Highway at I-24 on Wednesday afternoon. Ryan Rathmann, a 37 year old Cowan resident, was seriously injured as the motorcycle that he was operating collided with a Ford Ranger Pickup operated by Nicholas Galyner of Manchester. According to the preliminary accident report, Galyner was traveling northbound on Wattendorf Highway and attempted to cross the center line to merge onto the onramp to I-24 at mile marker 117. Rathmann was traveling southbound on Wattendorf Highway when he collided with the Ford Ranger truck. Rathmann suffered serious injuries, including a broken arm and broken leg. Rathmann was airlifted to Erlanger Hospital in Chattanooga where he underwent surgery. His condition was unknown at press time.