Passerelle, Stone viaduct in Luxembourg City, Luxembourg
The Passerelle is a stone viaduct that crosses the Pétrusse Valley in Luxembourg City, carried by 24 stone arches. The roadway runs about 290 m (950 ft) long and sits roughly 45 m (148 ft) above the valley floor, open to both vehicles and pedestrians.
Waring Brothers, a British firm, built this viaduct between 1859 and 1861 to link the city with a new train station located outside the old fortress walls. Before that, the valley had made movement between the two sides very difficult.
The structure connects two parts of the city that people use every day to move between neighborhoods. It has become a familiar part of how residents navigate their way around the city.
You can cross on foot or by car, and the drop into the valley is clearly visible from the sides of the roadway. For the best view of the full structure, head down into the valley or find a spot on the slopes facing the viaduct.
The viaduct was built with a slight curve to satisfy the military requirements of the fortress, since a straight crossing would have created a clear line of fire for attackers. That gentle bend is still visible today if you look along the length of the roadway as you cross.
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