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
Neckar Viaduct, Weitingen the south side. Hence this could be done without columns in the valley slopes. The bridge was handed over to the public in 1978. Directly east of the bridge is a 110 kV power line, hung on high anchor masts 70 meters high, crosses the Neckar Valley from Eutingen to St.Georgen. Neckar Viaduct, Weitingen The Neckar Viaduct at Weitingen is a bridge that crosses the River Neckar, near the village Horb am Neckar. The bridge is an important part of motorway A81's section Stuttgart - Singen. The bridge has an overall length of 900 meters, spans of 234-134-134-134-264 meters and