An accident mishap caused a major backup in downtown St. Louis Thursday morning.

Crews responded to a popular overpass on Interstate 44 and Interstate 70 at Washington around 7 a.m. where a tanker was hanging over the edge

The driver of the tanker walked away from the accident.

According to the Missouri State Highway Patrol, the truck hit a car, swerved to correct and drove over the edge. The driver of the car suffered minor injuries.

Two tow trucks removed the tanker. No other details have been released.