Bridge floor and surfacing component therefor

Claim 1

A BRIDGE FLOOR COMPRISING A GRATING CONSTITUTING A DECK SUPPORT, THE GRATING HAVING PARALLEL MAIN BEARING BARS AND CROSS BARS, THE MAIN BEARING BARS HAVING A LATERAL FLANGE PORTION AT THE TOP THEREOF EXTENDING FROM EACH SIDE OF THE VERTICAL CENTRAL PLANE OF THE BAR THE GRATING BEING COVER BY PANELS WELDED THERETO PROVIDING A TRAFFIC BEARING SURFACE, SAID PANELS EACH COMPRISING PARALLEL SPACED SIDE BARS AND A TRANSVERSELY-CORRUGATED SHEET METAL BOTTOM MEMBER EXTENDING BETWEEN THE SIDE BARS AND JOINING THEM, THE RIDGES OF THE CORRUGATIONS TERMINATING BELOW THE TOP EDGES OF THE SIDE BARS AND THE BOTTOM OF THE CORRUGATIONS BEING AT A LEVEL SUCH THAT THE PANEL SETS ON THE GRATING WITH THE SIDE BARS RESTING ON THE LATERAL FLANGES OF THE MAIN BEARING BARS AND BOTTOMS OF THE SHEET ARE SUPPORTED BY THE GRATING BETWEEN THE SIDE BARS AND ABOVE THE FILLING IN THE SPACE BETWEEN THE SIDE BARS AND ABOVE THE BOTTOM COMPRISED OF EPOXY RESIN AND AN AGGREGATE CURED IN SITU IN THE PANEL, THE BOTTOM EDGES OF THE SIDE BARS BEING WELDED TO THE GRATING BARS AT INTERVALS THEREALONG AT POINTS UNDER THE RIDGES OF THE CORRUGATED BOTTOM WHERE THE FILLING IS AT A LEVEL ABOVE THE POINT OF WELDING.