The bridge now traverses the Tarn valley above its lowest point, linking two limestone plateaux, the Causse du Larzac and the Causse Rouge, and is inside the perimeter of the Grands Causses regional natural park.
The bridge now crosses the Tarn valley above its lowest point, linking the two limestone plateaux, the Causse du Larzac and the Causse Rouge, and lies within the perimeter of the Grands Causses Regional Nature Park.