A4 – Viaduct over Corgo river valley
CONCEPTUAL DESIGN / SERVICES CARRIED OUT
Cable stayed bridge over Corgo valley, with a total length of 570 m. The construction of the suspended deck is carried out by balanced cantilever “in situ”. The tops of the pylons are 290 m above the bottom of the valley. The remaining bridge spans are, in general, 60m long and are built span-by-span using launching girders.
Vila Real, Portugal
Length: 2796 m
Main span: 300 m
Width: 28 m