Viaduct over the Narcea river, a record in Asturias.

The Viaduct over the Narcea River, on the new section of the A63 motorway between Doriga and Cornellana, Asturias, is a unique structure 875 meters long and 75 meters high above the valley floor. The viaduct has six piles and seven bays, the most important of which has a span of...
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