When both the van and the sheriff's car jump the bridge at the end of the film, another crashed patrol car and civilian car are seen already wrecked at the bottom, however both are not shown actually colliding until several shots later.
At top right of shot when Beau jumps into his car to try starting it again.
Clay demands that the sheriff trace his stolen van, however fails to give him one detail that would identify it, such as make, color or license number.