 Destroyed by a flood in 1274, it was soon reconstructed, but fell down again in 1304 under the weight of a crowd who had met to watch a spectacle.It was the first bridge in the city rebuilt after the 1333 flood, perhaps under design of Giotto.Again damaged in 1557, it was remade by will of Grand Duke Cosimo I de' Medici, who assigned the project to Bartolomeo Ammannati.