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
River Road Covered Bridge River Road Covered Bridge The River Road Covered Bridge is a historic covered bridge, carrying Veilleux Road across the Missisquoi River in Troy, Vermont. Built in 1910, the Town lattice truss is the only surviving covered bridge in Troy from the historic period of covered bridge construction. It also exhibits some distinctive variations in construction from more typical Town lattices. It was listed on the National Register of Historic Places in 1974. The River Road Covered Bridge is located in a rural area of central Troy, near the eastern end of Veilleux Road. It spans the Missisquoi in a roughly