What is as of 2017 the twenty-second highest bridge deck in the world, and beat the Kocher Viaduct for having the tallest pillars in the world?
Millau Viaduct:  In a Franco-British partnership, it was designed by the English architect Sir Norman Foster and French structural engineer Dr Michel Virlogeux, and as of 2017 it is the twenty-second highest bridge deck in the world, being 270 m between the road deck and the ground below.
i don't know