Spain Alamillo Bridge Spain Arenteiro and Barbantiño Viaducts Spain Arnoia y Valenzana Viaducts Spain Azud de l´Or Bridge (Calatrava) Spain Concha de Artedo Viaduct Spain Construction of the Almonte Viaduct Spain Enhancement of The Tarragona Drawbridge Spain Puente Basculante de Barcelona Spain Ricobayo Reservoir Viaduct Spain Romeral Viaduct Spain Sella Viaduct