A 64-year-old Whitehorse man was killed Wednesday after his transport truck crashed into a bridge on the Alaska Highway in northern British Columbia.

RCMP say a Kenworth tractor-trailer was travelling north on Highway 97, between Fort Nelson, B.C., and the Yukon border, when the collision occurred sometime before 2:30 p.m. PT Wednesday.

The vehicle, which was carrying a load of groceries at the time, hit the Racing River Bridge, located six kilometres south of Toad River, B.C.

"The first stages of the investigation seem to … [suggest] that the driver miscalculated or misnegotiated the sharp curve prior to the bridge and collided with one of the main supports of the bridge, and then jumped the girder and rolled down the embankment," North District Const. Craig Douglass told CBC News on Thursday.

Douglass said the driver, whose name was not released, was the only person in the truck and was pronounced dead at the scene.

The load of grocery cargo spilled out onto the frozen surface of the Racing River, according to police.

RCMP are investigating the collision along with the B.C. coroner's service.