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News » US » Arkansas picks Michael Baker for accelerated bridge project » published 16 May 2018

Arkansas picks Michael Baker for accelerated bridge project

Michael Baker International has been appointed to assist Arkansas Department of Transportation (ARDOT) with the state’s first accelerated bridge construction (ABC) project.

The project involves the replacement of two I-30 structures using the ABC technique of lateral sliding. The approach is intended to help minimize traffic impacts and improve passenger and worker safety.

The firm is providing design services for the replacement of two parallel bridges over De Roche Creek on Interstate 30 (I-30) in Southwest Arkansas near the city of Arkadelphia.

Michael Baker will design the replacement bridges and offer guidance to ARDOT engineers on the implementation of the lateral slide.

The firm has already conducted a bridge construction staging study to compare various lateral slide replacement options. The new bridges will be constructed on temporary falsework to the north and south of the existing parallel bridges, while crews construct a permanent substructure for the proposed bridges underneath the existing onces. Once completed, two separate bridge-slide operations will be performed to move each of the new bridges into their permanent positions. This option limits traffic disruption to two short-term periods - roughly three days each - during which traffic will be reduced to a single lane in each direction.

"I-30 is a heavily trafficked interstate route that connects Little Rock and other cities including Memphis, Tennessee to Dallas, so using ABC to replace the bridges over the De Roche Creek was the ideal design and construction choice to help reduce lane closure time and improve safety," said Mike Stengel, vice president and office executive for Michael Baker's Little Rock office.

The design phase of the project is anticipated to be completed in October 2018. In addition to the design work, Michael Baker will provide support services during the construction phase. Construction is expected to begin in spring 2019.

 

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This article was published on 16 May 2018 (last updated on 16 May 2018).

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