US 12,760,480 B1 · Bottomless bridge construction system and method

Abstract

The bridge construction system and method according to the present invention provides a lightweight, efficient, economical, long-lasting, and easily implemented composite steel structure that can be filled with concrete in place for the construction bottomless bridges. The bridge construction system of the present invention is unique in that it is a steel-frame reinforced composite bottomless bridge with decking that provides a permanent, non-removable form for poured-in-place concrete. The composite nature of the bridge allows for installation of the bridge to take place in one day, while the entire process from site preparation such as grading and excavation to cleanup takes a week or less. The quick installation of the bridge is designed to have a minimally invasive impact on the surrounding environment.

Claims10

Dependent claims

A bridge construction system comprising:

a plurality of abutment boxes, wherein said abutment boxes are hollow and where each of the plurality of abutment boxes comprises a back wall, two side walls, and a front wall, where the front wall is parallel to and shorter than the back wall;
a plurality of upper steel tub girders;
a plurality of upper decking panels;
and
a plurality of upper rebar mats.

2 more elements

Dependencies are inferred from the claim text.

Bottomless bridge construction system and method

Life of this patent

Bottomless bridge construction system and method

Life of this patent

Abstract

Claims10