Abstract: Disclosed is an apparatus and method for making an automotive bumper beam by a single roll forming. The apparatus of the present invention comprises an uncoiler; a straightener; a brake press; a first group of roll formers; a second group of roll formers; a final sweep roll former; adjuster; welding member; and cutting member. The method of the present invention is comprising of a step of preparing the steel sheet; a step for forming the tubular cross-sectional shape on the steel sheet; a step for forming a sweep on the steel sheet; a step for adjusting the tubular cross-sectional shape of the steel sheet; a step for welding two flanges to each other at their terminal ends; and a step for cutting the steel sheet to the predetermined length.