trestle bridge

• 一种桥梁类型，由垂直支柱和横梁（支架）构成的框架支撑水平桥面，通常用于铁路或道路跨越山谷或崎岖地形。

A type of bridge that consists of a framework of vertical posts and cross beams (trestles) supporting a horizontal deck, typically used for railways or roads over valleys or uneven terrain.

1. Bridge structureC1formal

   A type of bridge that uses a framework of vertical posts and crossbeams (trestles) to support the deck.

   栈桥

   • The old railway line crossed the valley on a wooden trestle bridge.
   • Engineers inspected the steel trestle bridge for signs of rust.
   • Trestle bridges are often used in areas with deep ravines or unstable ground.