WILLARD -- Troopers have identified a 46-year-old motorcyclist who died after hitting a mattress on Interstate 15 in Box Elder County.
Utah Highway Patrol officials say Royce Munns, of Brigham City, was driving southbound near Mile Marker 353 about 10:45 p.m. Monday when he hit the debris in the road and went down.
A helicopter ambulance was dispatched, but Munns was pronounced dead at the scene.
Officials say he wasn't wearing a helmet.
Troopers say they're not sure how the mattress ended up in a road but are looking for its owner.
The crash is under investigation.