This Walthers Cornerstone Bridge Pier simplifies combining multiple spans of the Double-Track Truss Bridge (933-3012, sold separately) in new or existing scenery. The one-piece resin casting is nicely detailed and can be adapted to many other bridge models. This bridge pier measures: 5-3/8 x 1-1/8 x 3-3/8" 13.7 x 2.9 x 8.6cm