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12.Bridge Millau Viaduct
Location: Aveyron Valley, Occitanie, France
Total Cost: $524 Million*
Year Finished: 2004
The multi-span Millau Viaduct Bridge became operational in December 2004 and, until September 2020, it was the world's tallest bridge. This bridge, which took more than three years to construct, crosses the gorge valley in the Occitanie Region of Southern France at a structural height of 336.4 metres.

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The Millau Viaduct ©Shutterstock/RRichard Semik
The Millau Viaduct Bridge is one of the most amazing engineering achievements of the modern era. It is truly a sight to behold. Because of its outstanding structural accomplishments, it was able to win the 2006 Outstanding Structure Award from the International Association for Bridge and Structural Engineering.