This ramp is solid! My 100lb Alaskan malamute who is arthritic can easily go up and down it when loading and unloading from our truck. It does not bow much when he is on it. Like barely a bend in it. Also the traction is top-notch. No slipping at all even when wet. It is heavy, but this is the most solidly built and has the best traction of any we have personally seen. Highly recommended.