Gantry-bridge type parking lot

In order to solve the parking problem in the downtown better, a gantry-bridge type parking lot is built on an automobile way, and the parking lot looks like a gantry in the transverse direction and looks like a bridge in the longitudinal direction. The gantry-bridge type parking lot comprises pier studs and a parking lot body, wherein the parking lot body is supported and fixed on the two sides of the automobile carriageway through the pier studs. The automobile carriageway and the parking lot body are connected with at least one upward carriageway and at least one downward carriageway and provided with entrances and exits, and the number of the entrances and the number of the exits correspond to that of the entering carriageways and the exiting carriageways. The gradient of the carriageways is smaller than the climbing gradient allowed by a saloon car maximum load, automobiles enter and exit by themselves without electric power lifting, and the driving direction is in accordance with traffic rules. A storage