Patent ID: 7469439

Claim:
A floor slab bridge structure comprising: first and second generally vertically-extending concrete bridge piers, said first and second concrete bridge piers being separated from one another along a bridge-length direction, and each of said first and second concrete bridge piers having a width extending along a bridge-width direction; a plurality of elongated bridge girders extending in said bridge-length direction and spaced apart from one another in said bridge-width direction, each of said bridge girders having first and second bridge girder support end portions at longitudinally opposite ends thereof, respectively, said first and second bridge girder support end portions being supported on said first and second concrete bridge piers, respectively, such that said bridge girders span between said first and second concrete bridge piers; and bridge concrete including slab concrete disposed in spaces formed between said bridge girders, and connection concrete disposed on said first and second concrete bridge piers; wherein said first and second bridge girder support end portions of each of said bridge girders are embedded in said connection concrete; wherein said slab concrete is rigidly joined together with each of said first and second concrete bridge piers by said connection concrete; wherein first and second connecting bars are respectively embedded in said first and second concrete bridge piers and extend upwardly therefrom; wherein said first and second connecting bars extend upwardly and respectively project through said first and second bridge girder support end portions of said bridge girders; and wherein first and second stoppers are respectively provided at upper end portions of said first and second connecting bars, said first and second stoppers being respectively secured to said upper end portions of said first and second connecting bars and being respectively engaged with upper sides of said bridge girders to anchor and connect each of said bridge girders to said first and second concrete bridge piers.