Contemporary architecture bridges. One of the most remarkable examples of contemporary architecture and engineering is the Millau Viaduct in southern France, designed by architect Norman Foster and structural engineer Michel Virlogeux. The Millau Viaduct crosses the valley of the River Tarn and is part of the A75-A71 autoroute axis from Paris to Béziers and Montpellier. It was formally inaugurated on 14 December 2004. It is the tallest bridge in the world with one mast's summit at above the base of the structure. The British-Iraqi architect Zaha Hadid constructed the Bridge Pavilion in Zaragoza. Spain for an international exposition there in 2008. The
Bridge four-lane highway on the upper level and a pair of railway tracks at the lower level. Tower Bridge in London is different example of a double-decked bridge, with the central section consisting of a low level bascule span and a high level footbridge. A viaduct is made up of multiple bridges connected into one longer structure. The longest and some of the highest bridges are viaducts, such as the Lake Pontchartrain Causeway and Millau Viaduct. A three-way bridge has three separate spans which meet near the center of the bridge. The bridge appears as a "T" or "Y" when viewed