Bridge reinforcing structure

The utility model relates to a reinforcing structure, in particular to a bridge reinforcing structure. According to the bridge reinforcing structure, the supporting position can be adjusted according to the size of a bridge. The bridge reinforcing structure comprises a bridge, a mounting seat, first screws, lifting plates, a connecting rod, a supporting plate and a steel rope, the mounting seat is mounted on the bridge, the first screws are rotationally arranged on the two portions of the mounting seat, the lifting plates are arranged on the first screws in a threaded mode, the connecting rod is rotationally arranged on the lifting plates, and the supporting plate is arranged on the connecting rod. Supporting plates are fixedly connected to the two sides of the mounting base, the connecting rods are rotationally connected with the adjacent supporting plates, and steel ropes are connected to the connecting rods. The first screw is rotated forwards and backwards to drive the lifting plate to move up and down, s