Atlas 70000028 HO Code 83 Through Plate Girder Bridge Double Track KIT NIBAtlas 70000028 HO Code 83 Through Plate Girder Bridge Double Track KIT NIB The through plate girder bridge is based on the prototype that sported construction of a bridge deck supported between two plate girders. This type of construction gives it the easily identifiable 'U' shape. The construction depth on this type of bridge was much less than on other bridges, providing a minimal change of height while clearing terrain. It was a common sight on