Bridge deck introduction: The upper level of the bridge has 4 lanes. The roadway is 15 meters wide and can accommodate 4 large cars running parallel. The sidewalks on both sides are 2.25 meters wide. The railway bridge on the lower level is 6772 meters long and 14 meters wide. It is paved with double tracks so that two trains can run in opposite directions at the same time. The approach bridge adopts the form of a double-hole double-curved arch bridge with Chinese characteristics.