an elevated structure, consisting of a series of arches or spans, by means of which a railway or road is carried over a valley, road, river, or marshy low-lying ground
Это интересно
Vt ka terminit "viadukt - overpass"; inglise keeles on terminite "overpass" ja "viaduct" tähendused mõnevõrra erinevad, eesti keeles on mõlema vasteks "viadukt". [4.07.2012]