Brusio Spiral Viaduct in Switzerland

The Brusio spiral viaduct is a single track nine-arched stone spiral railway viaduct located in Brusio, in the Canton of Graubünden, Switzerland. Like most spiral tracks, the Brusio spiral viaduct was built to allow trains to gain elevation in a relatively short distance. The spiral viaduct is 110 meters long, has a horizontal radius of curvature of 70 meters, a longitudinal slope of 7%, and is made up of nine spans, each 10 meters in length. The viaduct lifts the train by 20 meters.


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Brusio Spiral Viaduct in Switzerland.kmz (1.12 KB)