of vehicle 10 is greater than thirty inches above the ground a bumper 14 must be incorporated into the vehicle to lower the effective height of the rear end of vehicle 10 to no more than thirty inches above the ground as shown in fig2 and 3 bumper 14 of the prior art is comprised of spaced support members 16 a 16 b and cross member 18 support members 16 a and 16 b each are formed from angle iron and are bolted to vehicle frame members 20 a 20 b respectively cross member 18 consists of a metal beam that is welded to support members 16 a and 16 b cross member 18 has a length greater than the distance between supports 16 a 16 b resulting in end portions 18 a and 18 b which extend to within 18 inches of the width of the motor vehicle to the extent the bumper 14 contacts an object or the ground in the area of one or the other of end portions 18 a or 18 b a particular end portion 18 a or 18 b may be bent out of alignment with cross member 18 or cross member 18 may be bent relative to support members 16 a 16 b depending on the extent of damage to cross member 18 or end portions 18 a or 18 b bumper 14 may be repaired by bending the end portion back into alignment or alternatively the entire bumper 14 may be replaced in either event maintenance of prior art bumper 14 involves time effort and expense and may be required to comply with federal motor carrier safety regulations fig4 is a rear view of a motor vehicle showing the improved bumper 30 of the present invention as shown in.