The Walthers 933 - 4592 Modern Long - Span Concrete Railroad Bridge in HO Scale is a game - changer for model railroad enthusiasts. The Cornerstone Modern Long Span Concrete Bridge makes it a breeze to cross all sorts of obstacles. This detailed HO structure kit represents high - capacity railroad bridges built from prefabricated concrete sections, replacing older bridges since the 1990s. Key features include: Can be used to cross highways, other railroads, and natural obstacles; Buildable with one to three 50 - scale - foot (15.2m) spans, and easily expandable by combining kits; Three piling styles: highway crossing, railroad crossing with crash wall, and Tee - Style ('Hammerhead') for extra clearance; Comes with detailed abutments, curbs, and handrails; Simple to build and install on both old and new layouts; Molded in concrete gray; Finish the installation with the separately - sold WalthersTrack Code 83 Flex Track (948 - 83001). The finished model measures 20 - 7/8' Long x 2 - 7/8' Wide (53 x 7.3cm). The height with pilings is 4 - 11/16' (11.9cm) for railroad crossing and 3 - 7/8' (9.8cm) for highway crossing or Tee - Style.

Using this Walthers HO Scale Modern Long - Span Concrete Railroad Bridge is quite easy. First, decide how many spans you want. You can build it with one to three spans, each 50 scale feet long. If you want a bigger bridge, just combine multiple kits. When choosing the piling style, pick the highway crossing if you're going over a road, the railroad crossing with a crash wall for other railroads, or the Tee - Style for more clearance. Once you've assembled the bridge with the included detailed abutments, curbs, and handrails, install it on your model railroad layout, whether it's new or old. To finish the installation, you'll need to buy the WalthersTrack Code 83 Flex Track separately and attach it. As for maintenance, since it's molded in concrete gray, avoid using harsh chemicals that could damage the color. You can gently dust it off with a soft brush from time to time to keep it looking great.