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
Fitzroy Bridge (opened 1952) incorporating local themes. The Fitzroy Bridge was the only road traffic bridge crossing the Fitzroy River in Rockhampton until the Neville Hewitt Bridge was opened 650 metres upstream in 1980. The 60th anniversary of the bridge's opening was commemorated in 2012. The Fitzroy Bridge is known for its noticeable "bounce", which was first observed on the night it was opened when thousands of people were dancing on the bridge while an orchestra played music. At the time, local newspaper "The Morning Bulletin" reported that the bridge "literally bounced in time with the rhythmic tread of thousands of dancing feet". In