West Mouth Access to the Dos Valires Tunnel
La Massana i Encamp (Andorra)
A 3-kilometre tunnel linking the villages of La Massana and Encamp (Andorra).
Post-tensioned concrete work, a reference in its field, consisting of a set of six structures that support each other, with foundations provided by 1.5-metre-diameter piles of varying length. Main features include two cable-stayed bridges with a central tower 47.5 metres high.
