Input (grade 9): Designed by the French structural engineer Michel Virlogeux and British architect Norman Foster, it is the tallest bridge in the world, with one mast's summit at 343.0 m/O. The viaduct is part of the A75-A71 autoroute axis from Paris to Montpellier.
Output (grade 10): It was designed by the French structural engineer Michel Virlogeux and British architect Sir Norman Foster.