Supporting stable self-bridging bridge for road construction

The invention relates to the technical field of road construction, and discloses a supporting stable self-bridging bridge for road construction, which is characterized by comprising a bridge body, a road is provided with a construction section and an erection section, an erection pavement is formed at the top of the bridge body, and a construction space is defined between the bridge body and the construction section; the bridge body is provided with a middle section, and a plurality of middle hydraulic rods are arranged at the bottom of the middle section. The middle hydraulic rod is provided with a plurality of swing plates, the inner ends of the swing plates are hinged, the swing plates are provided with supporting faces, and the supporting faces abut against the bottom of the middle section. Each swing plate is connected with an inclined hydraulic rod, each swing plate is provided with a pressure sensor for detecting the pressure applied to the swing plate by the middle section, and the controller controls