A motorcycle was traveling northbound on the Memorial Hwy Access Rd at George L Bean Parkway. As the motorcycle entered the entrance ramp for northbound SR 589/Clearwater/Air Cargo where it curves to the left he failed to negotiate the curve, lost control striking the guard rail and its steel support. The impact threw the rider from the motorcycle. The rider was transported to the hospital where he later expired from injuries received in the crash. Traffic Homicide Detectives are actively investigating this crash.