A state-owned snowplow was destroyed in a rollover crash just west of Bozeman. It happened shortly before 9 p.m. Friday on Interstate 90. The Montana Highway Patrol said the eastbound plow was clearing the shoulder when it came upon an abandoned vehicle. Blowing snow and the brightness of the snowplow's lights prevented the driver of the snowplow from seeing the parked car until he was right behind it, the patrol said. The snowplow driver then swerved, lost control of the plow and hit the median. The plow blade got caught on the ground, causing the rig to roll. The driver, a Bozeman man, was wearing a seat belt and suffered only minor injuries, the patrol said. Kim Janzen, acting maintenance supervisor for the state Department of Transportation in Bozeman, said the plow was totaled in the crash. He didn't know when the snowplow would be replaced or how much it would cost. The plow was one of about a dozen used in the Bozeman area.