Sure to be a focal point of your N Scale layout, diorama or module, the Cornerstone Single-Track Arched Pratt Truss Bridge kit makes it easy model this widely used prototype. Features include: Standard American design built to handle heavier trains Used where extra clearance is needed below Perfect as stand-alone or center span for longer bridges Clears double-stacks and similar tall cars Fits steam-, diesel- and modern-eras Easily added to new or existing scenery Simulated steel construction with detailed girders, lattice work and rivets Complete construction using the Bridge Pier 2-Pack (933-3880) and Bridge Abutment 2-Pack (933-3881), both sold separately Use with flexible, sectional or hand-laid track, or your own rail (each sold separately) Molded in dark gray plastic