The Trainz SKU for this item is P12332481

including 66574

Trainz Product Id: 11381577

It is a flat black plastic bridge with sides and the track is already installed in the center of the bridge

and has a DCC decoder

Accurail 5029 HO KIT 50' Sliding Door Steel Box, GM&O VariantsUnitPrice_number_736.47 The Trainz SKU for thisThese easy to build HO Scale plastic car kits feature a one piece body with details molded in place. Decorated models feature authentic paint and lettering schemes with end reporting marks. In addition, the trucks feature nonmagnetic axles, and the coupler pockets accepts Kadee No. 5 couplers. Also features exceptionally free rolling wheels. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Accurail