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First bridge girders placed for South Mountain Freeway

Installation complete at 17th Avenue, closures set this week on 40th Street
July 10, 2017

PHOENIX – The Loop 202 South Mountain Freeway continues taking shape with the installation of bridge girders, together weighing more than two Boeing 747 jets, at the future interchange with 17th Avenue in the Ahwatukee Foothills.

After 1The girders are the first placed for the Arizona Department of Transportation’s South Mountain Freeway project, which will require a total of nearly 1,100 girders on 40 bridge structures throughout the 22-mile-long corridor.

During three overnight closures for the work completed this weekend at 17th Avenue, two 450-ton cranes lifted and placed each of the 17 steel-reinforced concrete girders, which are 145 feet long and weigh up to 131,000 pounds. Each girder took about an hour to hoist and place. 

Crews will return in August to pour concrete to form the bridge deck.

With girder placement complete at the 17th Avenue interchange, crews are set to place 16 girders this week at the 40th Street overpass, also in the Pecos corridor.

Overnight closures of 40th Street between Briarwood Terrace and Pecos Road are needed from 7 p.m. to 5 a.m. Monday-Wednesday, July 10-12, to place bridge girders for the 40th Street interchange.

The South Mountain Freeway, which is scheduled to open in late 2019, will provide a long-planned direct link between the East Valley and West Valley and a much-needed alternative to Interstate 10 through downtown Phoenix. Approved by Maricopa County voters in 1985 and again in 2004 as part of a comprehensive regional transportation plan, it will complete the Loop 202 and Loop 101 freeway system.

You can stay informed about the South Mountain Freeway project and sign up for updates and weekly traffic alerts at

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Pursuant to Title VI of the Civil Rights Act of 1964, and the Americans with Disabilities Act (ADA), ADOT does not discriminate on the basis of race, color, national origin, age, sex, or disability. Persons that require a reasonable accommodation based on language or disability should contact ADOT’s Civil Rights Office at Requests should be made as early as possible to ensure the State has an opportunity to address the accommodation.

De acuerdo con el título VI de la Ley de Derechos Civiles de 1964 y la Ley de Estadounidenses con Discapacidades (ADA por sus siglas en inglés), el Departamento de Transporte de Arizona (ADOT por sus siglas en inglés) no discrimina por raza, color, nacionalidad, edad, género o discapacidad. Personas que requieren asistencia (dentro de lo razonable) ya sea por el idioma o por discapacidad deben ponerse en contacto con la Oficina de Derechos Civiles en Las solicitudes deben hacerse lo más pronto posible para asegurar que el equipo encargado del proyecto tenga la oportunidad de hacer los arreglos necesarios.