Here is a New N gauge girder bridge; this auction is for a double span of two side piers and two bridge sections, and one centre pier. Long enough to cover 4 tracks.             
           side piers are 45mm tall and 80mm wide  X 37 mm at base, and 37mm X 14 mm at top. 
              Bridge span   is 100mm long x 35mm wide x 12mm tall times two equals 200mm long
                   Centre pier is 45mm tall; 50mm x 15mm base and 37mm x 14mm at top
    Brand new made to order, please look at photographs as they form a major part of the description

The auction is for the bridge only, and does NOT include any Loco's; Rolling stock; Track or Scenery which are only there to show what can be achieved, each girder section is, as can be seen, wide enough to take a single line over two other tracks, the photo's show the bridge in use on my layout.