Baluarte Bridge saddles in the pylons to form 152 suspenders in a two plane semi-fan layout. The tallest intermediate pier, P9, is high. It crosses a gorge in the Sierra Madre Occidental mountains with a clearance of below the deck, substantially taller than the Eiffel Tower. Its clearance is higher than that of the previous record-holder, France's Millau Viaduct, which has a clearance of . The bridge's central span, long, is also the longest cable-stayed span in North America, longer than that of the John James Audubon Bridge in St. Francisville, Louisiana. Construction on the bridge began on 21 February 2008. The
Richard de Millau in the appointment of his nephew Atton, of the family of viscounts of Millau – as he and the Countess of Provence Douce – the Archbishopric of Arles in 1115. He died February 15, 1121 and his nephew Arnaud de Lévézou succeeded as Archbishop of Narbonne 16 April of the same year. Richard de Millau Richard Millau (Milhau) was an 11th-century Cardinal and a major player in the Gregorian reform implemented in the South of France at the turn of the eleventh and twelfth centuries. He entered the Order of Saint Benedict early in life and first entered the monastery