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
Millau Viaduct situated at each side of the toll plaza. The total cost was €20 million. The rest area of Brocuéjouls, named "Aire du Viaduc de Millau", is situated just north of the viaduct, and is centred on an old farm building named 'Ferme de Brocuéjouls'. It was inaugurated by the prefect of Aveyron, Chantal Jourdan, on 30 June 2006, after 7 months of works. The farm and its surroundings can accommodate entertainment and tourism promotion activities. The cost of this work amounted to € 5.8 million: Unusually for a bridge closed to pedestrians, a run took place in 2004, and another