Viaduc de Longeray, Railway bridge in Léaz and Clarafond-Arcine, France
The Viaduc de Longeray extends 290 meters across the landscape, rising 70 meters above ground with its reinforced concrete structure and 69-meter central span.
Engineers R. Breiffel, G. Le Marec, and Medotte constructed this railway bridge between 1941 and 1943 to replace the previous metal structure destroyed in 1940.
The French Ministry of Culture recognized the engineering achievement of this railway bridge by designating it as Heritage of the 20th Century.
The viaduct continues to serve as an essential rail connection at kilometer 139.6 from Lyon, supporting regular train traffic between multiple destinations.
The bridge design incorporates three main spans measuring 56, 69, and 51 meters, plus three smaller 15-meter arches replacing the fourth main span.
Location: Léaz
Location: Clarafond-Arcine
Inception: 1880
Height: 70 m
Length: 290 m
Longest Span: 69 m
Made from material: reinforced concrete
GPS coordinates: 46.11323,5.88902
Latest update: June 23, 2025 10:54
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