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Loop 12/SH 183 and Loop 12/SH 114 Multi-Level Interchange Design Considerations and Challenges

The Dallas-Fort Worth is among the top metroplex in the nation seeing large surge of population. This consequently required expansion of the roadway and transit systems.  To accommodate similar demand in Irving, Tx, TxDOT proposed highway capacity expansion of SH 183, SH 114 and Loop 12, managed lane provisions, operational improvements, level of service improvements and ramp revisions that will accommodate the future traffic volumes.  The project is a three-sided system of multi-level, multi-highway and multi-modal interchange which circumscribes the site where the old Texas Stadium once stood. This enormous project cost $633M and was split into two phases. Phase one was completed in 2012, and phase two is currently under construction. When both phases are fully completed, it will affect an estimated 3 million travelers daily. The project comprised of various transportation elements, such as limited access freeway, managed toll lanes, Dallas area rapid transit (DART) light rail, University of Dallas light rail station with pedestrian access tunnel to park & ride facility, frontage/access roads, signature bridge spanning over Orange line and SH 114, and Trinity Railway Express overpassing SH 114 & DART Orange Line.  It also involved various complicated drainage and utility elements. The scope of the work involved a lot of coordination with private and public entities to develop an efficient design that can maintain highest practical level of service and function during construction. The presentation will include design considerations and challenges, construction of key bridge elements and challenges as well as lessons learned.

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Speaker

Mansoor Ahsan PE

Chief Executive Officer
Bridgefarmer & Associates, INC.

Shahriar Azad PE

Bridge Engineer
Bridgefarmer & Associates, INC.

Eyosias Beneberu PE,Ph.D, F.SEI
Bridge Engineer
Bridgefarmer & Associates, INC.

Kelvin Hernandez PE

Bridge Engineer
Bridgefarmer & Associates, INC.

Stephen Smiley PE

Bridge Engineer
Bridgefarmer & Associates, INC.

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