Twin decks viaduct over the main area roundabout. The bottom concrete slabs over piers are outside the steel box girder, allowing regular deck depth. During its construction, the deck girder stands by itself without supports.
Bridges
Metropolitan South Bypass — Phase I
Bilbao, Vizcaya
Bridge over Nalón River
Oviedo, Asturias
Other Structures
Road Platform Extension — Micropile Cantilever
La Rioja