This is a model railroad HOgauge code 83 plate girder bridge. code 83 line is high quality, prototypical track for the modeler who is looking for track that is more exacttoscale than code 100. code 83 track has fine brown ties and smaller nickel rail. An advantage to code 83 track is its reasonable price. With you know you are getting the bestlooking, most affordable code 83 on the market. Features. HOgauge code 83 plate girder bridgeSpecifications. Scale HO 1/87. Dimension 1 H x 2.5 W x 9 L