This is a list of bridges and viaducts in Switzerland, including those for pedestrians and vehicular traffic.
[S 30][12] The Letzigraben Bridge [de], near Zürich Hauptbahnhof, is the longest railway viaduct in the country measuring 1,156 metres (3,793 ft).
[S 31][13] The Grimselsee Bridge is part of the "KWO plus" project which consists to raise by 23 metres (75 ft) the water level of the Grimsel Lake, to increase the power capacity of the two Spittellamm and Seeuferegg damns.
The part of the road between Guttannen and Obergoms flooded by the project will be span by a 346 metres (1,135 ft) cable-stayed bridge, to restore the continuity across the lake.
[14][15] In 2021 a competition was organized to choose the project for the Plessur river valley crossing near Chur in the Grisons canton, in order to relieve the road traffic of the city center.