E-Z TRACK® GIRDER BRIDGE with NICKEL SILVER RAILS NORFOLK SOUTHERN - N Scale. Bridges are a railroad support structure that allows a train passage over a river, ravine, chasm, or road. This authentic looking Girder Bridge will add a touch of detail to your train layout. Bachmann Girder Bridges features include; Fully Assembled and Ready to Install, Precision Printed Graphics, and Nickel Silver Rail with Black Roadbed. Our bridges are designed to be used with Bachmann E-Z Track, and can be adapted for use with other popular track systems. Bridge spans 5”.