Timeline

Heritage classified

Key figures

Origin and history

The Gua bridge is a medieval structure built between the 15th and 16th centuries, connecting the communes of Beaumont and Sanilhac, in the department of Ardèche. It crossed the Beaume River with a three arch structure, characteristic of the bridges of that time. Although its width today prohibits modern road traffic, there remains a remarkable example of Renaissance civil engineering, adapted to local traffic needs.

At the beginning of the 20th century, the bridge saw its role evolve with the construction of a modern road leading to the hamlet of the Deux-Aygues. At the same time, a nearby hydro-electric plant fed the city of Largentière, illustrating the adaptation of old infrastructure to emerging industrial needs. The site also houses a mineral water source, the Boucharade, once exploited and appreciated locally, whose ruins of the buildings still remain.

Ranked as historical monuments by order of 5 December 1984, the Gua bridge is now communal property. Its classification reflects its heritage value, both for its architecture and for its integration into the historical and natural landscape of the Beaume Valley. Neighboring industrial and thermal remains add a multidisciplinary dimension to this site, reflecting the region's past economic activities.

The location of the bridge at the Beaumont-Sanilhac border makes it a structural element of the territory. Its state of conservation and its immediate environment, including approximate GPS coordinates (close to Les Buissières in Rocles), are documented in heritage bases such as Mérimée. These data highlight its importance for both residents and researchers interested in the history of communication routes in Ardèche.

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