Pont de Pierre (Aosta)

45.7396750552877.3299837112427Koordinaten: 45 ° 44 ' 22.8 "N, 7 ° 19' 47.9 " E

F1

Connection Po - Gaul

Buthier (now bridge without flow )

The Pont de Pierre (Italian: Ponte di pietra; German Stone Bridge ) is a Roman segmental arch bridge in the city of Aosta in Aosta Valley, northern Italy. The bridge led to the Roman period on the eastern road out of the colony Augusta Praetoria over the Buthier. This mountain stream shifted in later times his bed by several hundred meters to the west, so that the ancient monument today crossed no more water.

The single-arch design has a wingspan of 17.1 meters and a width of 5.9 m. Consisting of large wedge blocks of stone bridge arch shows with a width -to-height ratio of 3 to 1 for a Roman bridge constructions fairly flat contour. The outer casing was built with pudding stone and filled in the spandrels with Roman concrete of high quality.

The construction of the building is dated to the second half of the reign of Caesar Augustus, ie approximately between 27 BC and 14 AD, 24 BC founded the military colony of Augusta Praetoria as an important road junction and then goal for. The Pont de Pierre is likely to be approached is of particular strategic importance in the Roman road network, as in Aosta aufzweigte the transalpine connection to Gaul in the passing lanes of the Great and Little St. Bernard. In the opposite direction to the Po Valley, the road led to the valley exit via a further segmental arch bridge, the still well-preserved Pont Saint -Martin.