Millau Viaduct on 13 May 2007: Millau Viaduct The Millau Viaduct (, ) is a cable-stayed bridge that spans the gorge valley of the Tarn near Millau in southern France. In a Franco-British partnership, it was designed by the English architect Lord Norman Foster and French structural engineer Michel Virlogeux. , it is the tallest bridge in the world, having a structural height of . The Millau Viaduct is part of the A75-A71 autoroute axis from Paris to Béziers and Montpellier. The cost of construction was approximately € 394 million. It was built over three years, formally inaugurated on 14 December 2004,
Tarn (river) Garonne, and is permanently open to boats which can thus reach the Garonne and navigate a short distance of that river. The remaining six river locks are disused and unnavigable. A proposal exists to restore the five river locks between Moissac and Montauban, thus creating a waterway ring consisting of the Tarn from Moissac to Montauban, the Canal de Montech to Montech and the Canal de Garonne back to Moissac. Tarn (river) The Tarn (, , possibly meaning 'rapid' or 'walled in') is a long river in southern France ("régions" Languedoc-Roussillon and Midi-Pyrénées), right tributary of the Garonne. The Tarn