Égratz Viaduct, Concrete viaduct in Passy, France
The Égratz Viaduct extends for 1,470 meters across the Arve Valley, reaching a height of 68 meters with its reinforced concrete structure.
Construction firm Grands Travaux de Marseille completed this engineering project in December 1981, adding a vital link to the regional transportation network.
The viaduct has become part of the French Alps landscape, connecting communities along the Route Nationale N205 through the mountainous Haute-Savoie region.
This 11.2-meter-wide structure underwent renovation work in 2015 to maintain its structural integrity and ensure continuous safe passage for vehicles.
The curved box girder design of the viaduct features a longest span of 49 meters, demonstrating advanced concrete engineering techniques of the 1980s.
Location: Passy
Inception: 1981
Height: 68 m
Length: 1,470 m
Longest Span: 49 m
Width: 11.2 m
Made from material: reinforced concrete, prestressed concrete
GPS coordinates: 45.92030,6.72806
Latest update: June 23, 2025 09:45
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