Tarn (river) a mean flow of approximately . The Millau Viaduct spans the valley of the Tarn near Millau, and is now one of the area's most popular attractions. The tributaries of the Tarn include: The Tarn separates the Narbonne and Aquitaine basins. The Tarn passes through the following departments and towns: The Millau Viaduct, the tallest bridge in the world, carrying the A75 autoroute across the Tarn Gorge near Millau, opened in December 2004. The Tarn is famous for its brutal floodings, which are the most dangerous in Europe along with the Danube. The flooding of March 1930 saw the Tarn
Michel Virlogeux Large Concrete Bridge Division, and in 1987 of the large Bridge Division, Steel and Concrete. During twenty years he designed more than 100 bridges, including the Normandy Bridge which held the world record for longest cable-stayed bridge for four years. In 1995 he left the French Administration and set up as independent consulting engineer; his major achievements include his participation in the construction of the 'Second Tagus Crossing', the Vasco da Gama Bridge in Lisbon, and the design of the Millau Viaduct in France. Several of his bridges have received architectural awards. Since 1977 Dr Virlogeux has been a part-time