Bridge only. Side Piers and other pieces sold separately. All Corner Straight Bridges have side and rear mounting cleats and are easily attached to side units using the cleats and provided screws. Available in Maple and Oak and the following styles: Federal, Federal Crown, Face Frame, Face Frame Crown, Regal, and Shaker. Available Widths: 24, 30, 36, and 42. Available Depth: 12.