Patent ID: 7204665

Claim:
A support structure for supporting a pre-formed concrete section having a deck and at least two legs for transport on a transport vehicle, the support structure comprising: a bolster frame including a base to be supported by the transport vehicle, the base defining a base plane; a stanchion extending upwardly from the base and having a lower end connected to the base and a upper end opposite the lower end, the lower end and the upper end defining a stanchion axis perpendicular to the base plane; a cylindrical roller connected to the upper end and supported by the stanchion for rotational movement relative to the stanchion about a rotational axis substantially parallel to the base plane and substantially perpendicular to the stanchion axis, one of the legs of the concrete section intersecting the deck at an inner corner, the cylindrical roller adapted to support the concrete section at the inner corner; and an opening near the upper end of the stanchion and a shaft extending through the opening and having a first end and a second end disposed on opposite sides of the stanchion from one another, the cylindrical roller having a first roller connected to the first end and a second roller connected to the second end.