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
Chishi Bridge for locals. Chishi Bridge The Chishi Bridge is a bridge carrying the G76 Xiamen–Chengdu Expressway over a deep valley. At the longest span is longer than France's Millau Viaduct, which has a similar structure, but is longer and higher than the Chishi Bridge. On June 10, 2017, the "New York Times" offered the Chishi Bridge as an example of one of China's many troubled bridge projects. They reported that the bridge's construction was significantly delayed, and went fifty percent over budget. In addition, they reported that, once complete, the bridge was under-used, because the toll, equivalent to $3 USD, was