viaduct
elevated structure made of brick, steel, or concrete multiple arches or spans wide road or railway running over the top often includes a bridge over a river or valley thick pillars with ornamental decorations
viaduct which has elevated structure viaduct which has made of brick, steel, or concrete viaduct which has multiple arches or spans viaduct which has wide road or railway running over the top viaduct which often includes a bridge over a river or valley viaduct which has thick pillars with ornamental decorations