933-3185 Single Track Railroad Truss Bridge KitThe Walthers Cornerstone HO Scale Single Track Railroad Truss Bridge is patterned after the most common kind of bridges used by railroads. Installed anywhere a longer span is needed, truss bridges like this model are used above streams, rivers, other rail lines and roads where clearance is required below the structure. With its realistic trusses, chords and bridge shoes, it adds authenticity to your right of way. Safety sign and graffiti decals let