The dam was built between 1686 and 1700 under the supervision of Jacques Tarade, following plans by Vauban.
The defensive mechanism was designed to intentionally flood the upstream lands, creating a swampy obstacle impassable for enemy infantry.
It features thirteen arches, though only the central arch was originally designed to allow for the release of water.
The terrace roof is constructed on a system of massive masonry vaults that support the weight of the structure.
During the Franco-Prussian War of 1870, the dam was used for its original military purpose to defend the city against artillery bombardment.
The interior gallery is often used for art exhibitions and houses several historical stone gargoyles and sculptures recovered from the Strasbourg Cathedral.
The structure is classified as a Monument Historique by the French Ministry of Culture.
The Barrage Vauban is a 17th-century defensive structure designed by Vauban to flood the southern approaches of Strasbourg in the event of an enemy attack. It functions as both a bridge and a sluice, featuring thirteen arches spanning the River Ill. The terrace on the roof provides an elevated vantage point overlooking the Petite France district and the Ponts Couverts. The interior houses a collection of plaster casts of sculptures, including works by Gustave Brion and Phillippe Grass. Its construction served as a strategic component of the city's fortification system following the French annexation of Strasbourg in 1681. The structure replaced the original medieval fortifications to provide a more effective defensive barrier against artillery fire. It remains one of the few historical defensive dams in France still accessible to the public.
The center of the roof terrace looking toward the Petite France quarter and the cathedral spire in the distance.
Walk across the roof terrace for the best panoramic view of the Petite France canal locks.
Visit the interior gallery to see the collection of cathedral sculptures away from the crowds.
The structure connects the Petite France district to the city's western outskirts, making it a useful pedestrian shortcut.
Do not mistake the bridge for a simple crossing; explore the internal gallery, which many visitors overlook.
