This drawing is a detail drawing for the cad design and construction of a river pedestrian bridge structure. The font, line type, scale and legend of this drawing conform to the drawing standard. The size of the sheet conforms to the standard. The content of the drawing is slightly appropriate, the layout is reasonable, the marking is clear, the drawing is compact, the appearance is good, and the individual is consistent with the general plan. The corresponding relationship between the plane, vertical and sectional details is accurate. There is no error in the drawing