NEW! BRIDGE SUPPORT SYSTEM designed specifically for the 'Atlas' double track truss bridge. Matches all standard 'Pennsy' Stone specifications: Double Track Abutments with classic civil engineering design. Bridge rests on cement bridge pad. No casting on back. Dimensions: 10-1/2" W x 7" H x 2-1/2" thick. Sold in pairs. Height from cement pad to bottom 5-1/4" H. FL 6311 Double Track Abutments FL6310 Double Center Support Pier FL6039 'Atlas' Bridge Shoe Set