Road construction structure based on high-hydrophobicity asphalt

The utility model relates to a road construction structure based on high-hydrophobicity asphalt, and relates to the technical field of road drainage, the road construction structure comprises a sewer well, a well lid, a filter plate, a pollution discharge assembly and a floating assembly, the well lid is arranged at an opening of the sewer well, and the filter plate is horizontally and annularly arranged on the side wall of the sewer well; the sewer well is provided with a mounting groove for mounting the filter plate, the sewage draining assembly comprises a sewage draining fan and a supporting rod which are coaxially arranged, the sewage draining fan is located above the filter plate, the supporting rod penetrates through the sewage draining fan and is vertically arranged, and the floating assembly is connected to the side wall of the supporting rod in a clamped mode. The upper floating assembly is located above the pollution discharge fan, the upper floating assembly moves upwards under the buoyancy of acc