PCT4297972 On the left, drawing (plan) by Villard de Honnecourt, (master of the 13th century, about 1200 and active between 1225 and 1250) of a medieval wooden bridge, with the appearance of scaffolding, edifies between two piles of stone maconery (drawing); (add.info.: The legend below the figure of this manuscript explains the construction. In Moderne language, this gives: how to make a bridge over the water with futs twenty feet long - drawing from sketchbook of Villard de Honnecourt (about 1230) On the right, reconstitution of this bridge by Eugene Emmanuel Viollet-le-Duc (1814-1879) in his Dictionnaire raisonne de l\'architecture francaise); by Patrice Cartier.