They consist of groups of triangular units to form a truss, acting primarily in tension and compression with the bridge. Truss bridges are one of the oldest bridge design since the Industrial Revolution. Trusses are rigid in structure with a high strength to weight ratio and possess the ability to transfer the load from a single point to a much wider area. Truss bridges can be made from wood, iron and steel or combination of those materials. There are numerous types of truss bridges associated by how the structural members are connected. The four most common trusses are Warren Truss, Pratt Truss, Howe Truss and the K Truss (Stonecypher
They consist of groups of triangular units to form a truss, acting primarily in tension and compression with the bridge. Truss bridges are one of the oldest bridge design since the Industrial Revolution. Trusses are rigid in structure with a high strength to weight ratio and possess the ability to transfer the load from a single point to a much wider area. Truss bridges can be made from wood, iron and steel or combination of those materials. There are numerous types of truss bridges associated by how the structural members are connected. The four most common trusses are Warren Truss, Pratt Truss, Howe Truss and the K Truss (Stonecypher