Millau Viaduct
A multi-span cable-stayed motorway viaduct across the Tarn valley.
Project at a glance
| Location | Tarn valley near Millau, France |
|---|---|
| Owner / agency | Compagnie Eiffage du Viaduc de Millau (concession) |
| Completed / opened | 2004 |
| Sector | Bridges |
| Length | 2,460 m |
| Height | 343 m |
| Piers | Seven concrete piers |
| Deck | Steel deck |
| Materials | About 85,000 m³ of concrete and 36,000 t of structural steel |
Construction technology used
- Steel deck moved into place by incremental launching from both sides.
- Multi-span cable-stayed deck on seven concrete piers.
Key facts
- Built in three years (2001–2004); inaugurated on 14 December 2004.
Learn the engineering behind it
- Cable stayed and suspension bridges · Bridge Engineering
- Mechanised tunnelling and bridge launching · Construction Methods and Equipment
- Long span aerodynamics · Bridge Engineering
Sources
Facts on this page are taken only from official or authoritative sources (owner agencies, government releases, designers and contractors) and written in our own words. A figure is shown only when we could confirm it from at least two of the sources below; anything we could not confirm is left out. Spotted an error? Tell us.
Author: Indiacon. Last reviewed 24 Oct 2026. Educational summary; not an official project document.