Patent ID: 7069614
Filing Date: 2006-07-04
Classification: E01D

Abstract:
1. A bridge for carrying traffic between spaced-apart supports for the bridge, having a first module that comprises: a plurality of longitudinal sections each having generally horizontal upper and lower members overlapping respectively portions of the generally horizontal upper and lower members of a neighboring section, and each having at least one generally vertical member extending between the upper and lower horizontal members and spaced from a generally vertical member of a neighboring section to define one of a plurality of closed cells, the generally horizontal upper members of the plurality of longitudinal sections including upper surfaces which are substantially aligned with each other, the generally horizontal upper and lower members of each longitudinal section comprising a pair of offset lips at free ends of the upper and lower members, the offset lip at a free end of the upper horizontal member being generally vertically offset from the substantially aligned upper surfaces of the longitudinal sections to form an upper offset protruding generally vertically from the upper surfaces of the longitudinal sections; a pair of diaphragm plates connected to inner surfaces within each closed cell adjacent longitudinal ends of the closed cell to form an air-tight closed cell; and a plurality of shear studs connected to the outer surfaces of the diaphragm plates.