truss bridge

A truss bridge is a type of bridge that uses a framework of interconnected triangles—called trusses—to support loads. These triangular sections distribute the weight efficiently, allowing the bridge to span long distances while handling heavy traffic. The design provides strength and stability because forces are directed along the members, reducing stress on individual parts. Truss bridges are often made of steel or wood and are commonly used for roads, railways, and pedestrian crossings, combining durability with economical construction. Their geometric structure makes them both strong and relatively lightweight, ideal for supporting substantial weight over considerable spans.