This data is the construction drawing of the access bridge project of the spillway chute and weir crest of the medium-sized reservoir, including the layout plan of the access bridge, the downstream front view, the handrail construction drawing, the handrail section construction drawing, the continuous beam reinforcement drawing, the embedded steel backing plate detail drawing, the abutment section reinforcement drawing, the arch tile section reinforcement drawing, the diaphragm reinforcement drawing, the arch frame reinforcement drawing, etc. 8 sheets, prepared in 2013.