Millau Viaduct mid-1998. After undergoing wind tunnel tests, the shape of the road deck was altered, and detailed corrections were made to the design of the pylons. When the details were eventually finalised, the whole design was approved in late 1998. Once the Ministry of Public Works had taken the decision to offer the construction and operation of the viaduct as a grant of contract, an international call for tenders was issued in 1999. Five consortia tendered: Piers were built with Lafarge high performance cement. The pylons of the Millau Viaduct, which are the tallest elements (the tallest pylon – ) were
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