![]() The tallest Millau Viaduct tower is situated near the valley floor, which gives the viaduct a structural height of 336.4 m (1,104 ft), and a deck height of 270 m (890 ft) above the valley floor. The Millau Viaduct is a cable-stayed bridge that is both tall (in structural height) and high (in deck height). The bridge's two towers, built on either rim of the gorge, are 269 m (883 ft) tall, but due to the depth of the river gorge, the deck height of the Duge Bridge is 565 m (1,854 ft). For example, (as of 1 July 2020) the Duge Bridge is the highest bridge in the world, but only the fifteenth tallest. The difference between tall and high bridges can be explained in part because some of the highest bridges are built across deep valleys or gorges. A separate list of highest bridges ranks bridges by deck height. Structural height is different from deck height, which measures the maximum vertical distance between the bridge deck (the road bed of a bridge) and the ground or water surface beneath the bridge span. The structural height of a bridge is the maximum vertical distance from the uppermost part of a bridge, such as the top of a bridge tower, to the lowermost exposed part of the bridge, where its piers, towers, or mast pylons emerge from the surface of the ground or water. ![]() This list of tallest bridges includes bridges with a structural height of at least 200 metres (660 ft). ![]() ![]() For a list of the highest bridges (ranked by deck height), see List of highest bridges. ![]()
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