Abstract: A dunnage bar construction comprises an elongated tubular bar of rectangular cross-section having an elongated slot in the inner wall thereof. A reinforcement for the tubular bar comprises an elongated channel extending lengthwise within the bar. The channel has a bottom wall spaced from the inner slotted wall and side flanges welded to the side walls of the tubular bar. The channel and the slotted inner wall define a pocket for a dunnage strip. The dunnage strip has a nose portion projecting through the slot. The reinforcement also includes an elongated brace of inverted, generally U-shape extending lengthwise within the space beneath the channel. The brace has a base in full surface-to-surface contact with and secured to the bottom wall of the channel. The brace has side flanges extending from the base into contact with the tubular bar at the intersections of the outer wall and side walls of the tubular bar.