viaduct
/ˈvaɪədəkt/
bridge consisting of a series of arches supported by piers used to carry a road (or railroad) over a valley
中文释义:高架桥;跨线桥
The new viaduct will reduce traffic congestion in the city center.
新建的高架桥将减少市中心的交通拥堵。
Engineers inspected the viaduct for structural damage after the earthquake.
地震后,工程师检查了高架桥的结构损坏情况。