CMH New Crossover Taxiway
CHA provided design and inspection services for a $31.4 million new taxiway structure and two vehicular structures crossing the proposed depressed international gateway and future light rail corridor. The structures are post-tensioned, variable depth, cast-in-place concrete box structures that have span lengths of approximately 200 feet with box depths varying from 7 feet, 6 inches deep at abutments to 5 feet at mid-span. Because of the limited structure depth, the superstructure is integral with the substructure resulting in a frame configuration.
Since taxiway structures require large safety areas, the resulting taxiway bridge width was 218 feet out of copings. One of the vehicular structures was added to the project after the initial construction contract was awarded for the taxiway structure and the other vehicular structure. This resulted in the second vehicular structure being constructed as a design-build to maintain the desired schedule. Design elements included a post-tensioned box design, frame structure, drilled shaft supports, and substantial aesthetic mitigation.
- 2008 PCA Bridge Design Award of Excellence
- Construction Plans and Specifications
- Construction Engineering and Construction Inspection