ST. LOUIS COUNTY (KSDK) - The southbound lanes of Highway 141 were closed Tuesday afternoon after a pedestrian was struck and killed by a pick-up truck.

The accident happened around 1:05 p.m. at Gravois Road and Highway 141.

Investigators say Matthew Griesheimer, 35 of Fenton, was trying to cross Highway 141 when he was hit by the southbound vehicle.

Griesheimer was taken to St. Anthony's Hospital with serious injuries but later pronounced dead, the Fenton Fire Department said.

Police say a pickup truck was pulling a utility trailer, which hit the man as he was attempting to cross the highway.