 The rail functions were transited in 1991 over the São João Bridge (designed by engineer Edgar Cardoso).The bridge is in an urban cityscape, over the Douro River, connecting the mount of Seminário, in the municipality of Porto, to the Serra do Pilar, in the lightly populated section of the municipality of Vila Nova de Gaia.The structure consists of a deck long, supported by two piers on one side of the river and three on the other, with a central arch with a span of and a rise of .