Atlas HO Code 100 Plate Girder Bridge – AT-0885 Add this bridge to your layout for an impressive and realistic looking multi-span structure. Atlas Snap-Track can be snapped together for quick assembly and easy layout modification. Code 100 nickel silver rail. Footprint: 9″ x 2-1/2″ x 1″. This item is intended for modelling use and is not a toy. Actual product may vary slightly from the pictures shown.