Building on a preliminary study that analyzed the Chunyanggyo site excavation and the principal of jointing systems of the members, this paper develops and specifies a concrete restoration design. The main conclusions are as follows. 1) Core structural concept: Chunyanggyo is interpreted as a flat-deck stone bridge in which guitile shaped stones (귀틀형 석재) installed above and below the sailboat-shaped pier (교돈) interlock with diagonal brace stones (sa-teng-seok), thereby shortening the length of the beams. By tying these guitile shaped stones to those set over the intermediate piers, the span structure is completed. 2) Module and dimensions: Reviewing pier spacing and principal member lengths led to a design module of 290㎜ (so 1尺=290㎜). The bridge length is set to 190尺, and the intervals among the three central supports to 50 尺, thereby regularizing the plan. Each structural member was designed on the basis of standardized modules. 3) Detailed jointing: Installation positions for the guitile shaped stones were determined from the grooves and morphologies of the stones. 1:2 coupling pattern is adopted and treated as one “set”; across the three piers the structural series is arranged 2:1:2 sets. For the sa-teng-seok, the inclination of elements jointed is set to 52°. 4) Superstructure design: Parapet base stones clamp the floor stones together with eaves-profiled members, and the parapet composition is designed with reference to contemporary stone bridges. The deck width is 5.4m. The deck surface consists of four rows of floor stones.