BOISE, Idaho (KTVB) - Boise police are investigating a single-vehicle crash that killed a motorcyclist Wednesday night.

Police said the male driver was on the inbound I-184 Connector when he hit the concrete barrier at what appeared to be a high rate of speed. The driver and the motorcycle were thrown over the barrier into Rhodes Skate Park below.

The driver, who was in his 30's was found deceased. Police said he wasn't wearing a helmet. The skate park is currently fenced off and closed to the public for construction. The crash was reported at 7:10 p.m.