This is a list of bridges and viaducts in Switzerland, including those for pedestrians and vehicular traffic.
The longest viaduct in Switzerland is the , built in 1984 on the A5 motorway with a total length of . The , near Zürich Hauptbahnhof, is the longest railway viaduct in the country measuring .
The Grimselsee Bridge is part of the "KWO plus" project which consists to raise by 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 cable-stayed bridge, to restore the continuity across the lake.
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. Among a total of 41 projects submitted, the winner is called "" (only one arch), it proposes a steel arch with a main span, more than above the river. This bridge will be named the .
This table presents the structures with spans greater than 100 meters (non-exhaustive list).