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
Werra Viaduct, Hedemünden Werra Viaduct, Hedemünden The Werra viaducts near Hedemünden, Germany are two bridges crossing the valley of the river Werra. They are located in southern Lower Saxony and provide crossings for the A 7 motorway and the Hanover-Würzburg high-speed rail line. The bridges are located 33 metres apart from each other. The bridges cross the Werra river, the B 80 and the Kassel to Eichenberg railway line at a maximum height of 59 metres. A first bridge was erected at the site in 1937. The bridge was destroyed near the end of World War II, and replaced by a temporary bridge