Abstract: A deck panel for reinforced concrete slabs is disclosed. The deck panel is formed by integrating a plurality of deck girders with a deck plate into a single structure. In each of the deck girders, a single lattice member is welded to upper and lower steel bars. The lattice member has a zigzag configuration with both a plurality of holding rib parts and a plurality of horizontal foot parts. The lattice member is positioned relative to the upper and lower steel bars in a way such that the holding rib parts, individually having a foot part, are alternately positioned on opposite sides of the upper and lower steel bars. A vertical fixing steel bar is welded to each end of the deck girder with both the top end of the fixing steel bar being welded to the upper steel bar and the middle portion of the fixing steel bar being welded to the lower steel bar.