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
Millau Viaduct is direct and without tolls for the between Clermont-Ferrand and Pézenas, except for the bridge itself. The Eiffage group, which constructed the Viaduct, also operates it, under a government contract, which allows the company to collect tolls ("Péage") for up to 75 years. As of 2018, the toll bridge costs €8.30 for light automobiles (€10.40 during the peak season of 15 June to 15 September). Each of the seven pylons is supported by four deep shafts, deep and in diameter. The abutments are concrete structures that provide anchorage for the road deck to the ground in the Causse du Larzac