Viaduct over Ribeira de Alge, with a total length of 358 m and width of 12.8 m, with spans of 41 m + 4×63 m + 41 m constructed by successive advances. Viaduct over Ribeira da Lomba with a total length of 201 m and a width of 12.8 m, consisting of spans of 28 m, 41 m, 63 m, 41 m, 28 m, constructed by successive advances.