Bridge bottom board filling device

The utility model relates to a bridge building process, particularly a bridge bottom board filling device including bridge boards and a hinged joint between the two bridge boards, the device is characterized in that the horseshoe-shaped part at the lower end of the hinged joint is filled with a horseshoe-shaped sealing strip, reinforced concrete is poured in the hinged joint on the sealing strip. Therefore, the device in the utility model is simple in structure and long in service lifetime.