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Heritage classified

Key figures

Origin and history

The Pont du Diable de Villemagne-l'Argentière, located in the Hérault department in the Occitanie region, is a masonry work dating back to the late eighteenth century. It was built to facilitate the passage of coal convoys, including coal and lignite, from the Graissessac mines to the Royal Herepian Glassworks. This bridge, which is 14 metres long and 4 metres wide, crosses the Mare River with two arches in the middle, the largest of which spans the river.

The Mare bed has undergone major changes since the beginning of the 20th century, as evidenced by the photographic archives of the 1915s and 1932s, where a waterfall is visible downstream of the bridge. The structure has a steeply sloped pavement from the left bank, becoming almost horizontal from the vault key. This bridge, owned by the commune, was listed as historic monuments on May 27, 1936, recognizing its heritage importance.

Designed to meet local industrial needs, the Devil's Bridge illustrates the adaptation of infrastructure to the economic activities of the time, including mining and glass production. Its architecture, with a triangular foreshore on the central pile, reflects the construction techniques in vogue in the 18th century. Historical sources, such as the works of Jean-Marie Perugia de Montclos or Marcel Prade, highlight his role in the regional heritage of Languedoc-Roussillon.

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