Bridge pavement drainage structure for bridge engineering

The utility model discloses a bridge engineering bridge pavement drainage structure, which relates to the technical field of bridge engineering and comprises a water inlet, the bottom of the water inlet is communicated with one end of a first water pipe, the other end of the first water pipe is communicated with one side of a breaking structure, and the bottom of the breaking structure is fixedly connected with the top of a purifying structure. One side of the purifying structure is fixedly connected with one side of a first supporting plate, the top of the first supporting plate is fixedly connected with the bottom of a first motor, one side of the first motor is in transmission connection with one end of a conveying belt, and the other end of the conveying belt is in transmission connection with one end of a lead screw. A first motor can be started to work to drive a conveying belt to rotate, so that a lead screw on the conveying belt rotates in a purification structure, a push plate is driven to horizontal