First of all, the bridge contains the highest pylons in the world. pylons p2 and p3 are 244.96 meters and 221.05 meters, respectively. this world record was previously held by the kochertal viaduct in germany, whose highest point is 181 meters. the millau viaduct also has the highest bridge tower in the world. the mast that is on the top of pylon p2 is 343 meters high, which is slightly taller than the eiffel tower. the last record held by the bridge is the highest road bridge deck, which is 270 m above the tarn river at its highest point. only one bridge deck, the royal gorge bridge in colorado, is higher. at 321 m, it is consider the highest bridge in the world. see https://www.brighthub.com/engineering/civil/articles/57723.aspx