SCAPPOOSE, Ore. — A bicyclist was struck and killed by a semi truck on Saturday on Highway 30, near the intersection with Watson Road south of Scappoose.

Oregon State Police and emergency personnel responded at about 1:35 p.m. to a report of a collision involving a semi-truck and a bicycle on Highway 30 near milepost 17.

Preliminary investigation revealed that the truck, operated by Dustan Thompson, 40, of St. Helens, was headed toward Portland in the right lane when a bicycle entered the right lane and the two collided.

The bicyclist, Scott Graser, 54, of Scappoose, sustained fatal injuries and was pronounced deceased.

Thompson was not injured and is cooperating with the investigation.

The right eastbound lane of Highway 30 was closed for approximately three hours for the investigation.