This kind of bridge uses the arch shape to support the load. It can be designed with one or several steel arches. They achieve a service life of around 100 years. This delicate steel arch bridge is ideal for rivet counters and features a floor laser-cut from real wood. Bridge dimensions including pillars: 320 mm × 57 mm high. Clearance height without track: 69 mm. Clearance width: 294 mm.