An integral, truss-supported deck suitable for massive applications such as stadia and bridges having clear spans of several hundred feet comprises outer and inner spaced chords each comprising at least one pair of substantially coplanar planks; a plurality of truss web members arranged zig-zag between the chords; a plurality of side connectors positioned in longitudinally spaced relation along the adjacent side edges of each plank pair, first fasteners fastening the ends of adjacent web members to the adjacent side connectors, thereby connecting the web members to the planks; and second fasteners fastening the side connectors to the adjacent planks, thereby connecting the planks to each other.