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
Kingsmead Viaduct 2005. Improvements to the bridge parapets to bring them up to modern standards were carried out by Hertfordshire Council from July to September 2008. The work included installing 'high containment' parapets above the railway. The bridge spans the Lea Valley, crossing the River Lea, the New River and the A119 road between the Rush Green Interchange near Hertford and the Westmill interchange (north-west of Ware). Also running along the valley floor is the Hertford East Branch Line, which the viaduct crosses between Ware and the Hertford East terminus. Kingsmead Viaduct The Kingsmead Viaduct (or "Kings Meads Viaduct") is a raised