A vehicle hitch assembly for suspension support of an accessory from the rear of a vehicle having a rear bumper and a trailer hitch receiver positioned under the bumper. The hitch assembly includes a horizontally extending rigid trailer hitch receiver insert for insertion and retention in the vehicle trailer hitch receiver, and a rigid support arm having one end adjustably and detachably securable to the vehicle rear bumper and another end thereof rigidly and adjustably securable to the trailer hitch receiver insert. An accessory support is then secured to the vehicle hitch assembly for supporting a load off of the rear of the vehicle.