Schiers (German pronunciation: [ˈʃiːɐs]) is a Swiss village in the Prättigau and a municipality in the political district
Prättigau/Davos Region 
in the canton of the
Grisons 
. The first concrete girder bridge ever built,
Salginatobel Bridge 
, is located in Schiers. Designed by Robert Maillart and completed in 1930, in 1991 it was the first concrete bridge to be designated an International Historic Civil Engineering Landmark by the American Society of Civil Engineers.
History
Schiers is first mentioned in 1101 A.D. as Scieres.
Geography
Schiers has an area, as of 2006, of 61.8 km2 (23.9 sq mi). Of this area, 36.5% is used for agricultural purposes, while 44.3% is forested.