Roman Bridge of Pont-Saint-Martin

This beautiful bridge comes from Roman times, you can still see the holes dug at the base in the living rock used to erect the scaffolding for the construction.

The place, which lies at an altitude of 354 meters and borders Piedmont, is the entrance to the Aosta Valley. The town's most famous structure is a spectacular bridge from Roman times. This famous construction testifies to the former presence of the ancient trade route to Gaul, which passed through this place. The 23 meter high and five meter wide single-arched stone bridge was the only crossing for travelers in the valley until 1831.
Source: lovevda.it/de/katalog/3/ortschaften/aostatal/pont-saint-martin/411

At the foot of the bridge foundation you can still see hollows in the stone, where the wooden beams necessary for the construction of the arched bridge stood. At the end of the 19th century, some iron clamps were added to support the structure.
Source: lovevda.it/de/database/8/roemische-architektur/pont-saint-martin/romische-brucke/877