Égratz Viaduct

Égratz Viaduct

Viaduc des Égratz
View in November 2015
Coordinates45°55′41″N 6°44′02″E / 45.928°N 6.734°E / 45.928; 6.734
CarriesVehicles on the Route nationale N205
CrossesPlateau d'Assy and River Arve
LocaleAuvergne-Rhône-Alpes, south-east France
Characteristics
DesignBox girder bridge
MaterialReinforced concrete
Total length1,469 m (4,820 ft)
Width11.2 m (37 ft)
Height68 m (223 ft)
Longest span49 m (161 ft)
History
Constructed bySociété des Grands Travaux de Marseille
Construction start1977
Opened1981
Inaugurated22 December 1981
Location
Interactive map of Égratz Viaduct

The Égratz Viaduct is a curved concrete box girder bridge in south-east France, in the French Alps, near Switzerland and Italy. The bridge is almost one mile long.