Patent ID: 10309068

Abstract:
A supported bridge including a prefabricated bridge including a deck and a plurality of girders. The deck is supported above the plurality of girders. The supported bridge further includes, a first and second abutment extending underneath the plurality girders in a direction transverse to the spanwise direction. The transverse abutments are mounted beneath the plurality of girders. The first steel abutment is located toward a first end of the prefabricated bridge and the second steel abutment is located toward a second end of the prefabricated bridge. Each abutment includes a beam and a bottom plate. The beam includes an upper flange, a lower flange, and a web connecting the upper flange and lower flange. The bottom plate is mounted on a bottom surface of the lower flange and has a width that is at least 1.5 times as great as a width of the lower flange.