Wiesen Viaduct, Stone railway bridge in Grisons, Switzerland.
The Wiesen Viaduct is a stone railway bridge spanning 204 meters and rising 88 meters above the Landwasser river valley. Its seven arches support the single-track line in a visibly solid and engineered manner.
Engineer Henning Friedrich designed the structure, built between 1906 and 1909, enabling the Davos-Filisur railway line. The project was part of opening up the Graubünden region through rail connections.
The viaduct has been a symbol of Swiss engineering prowess in the region since its completion. It shapes the appearance of the Landwasser valley and shows how people engineered passage through the mountains.
The viaduct sits on a single-track railway line with trains running regularly, so viewing is best from nearby walking paths rather than attempting to access the bridge itself. The best views come from surrounding hiking trails and the river valley below.
During construction, roughly 500 cubic meters of wood was used for the temporary framework, showing the enormous material needs for such projects. These temporary structures were themselves feats of engineering.
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