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South Mountain Freeway’s Salt River bridges mean traffic relief for southwest Valley

Half-mile-long spans will reduce congestion, provide reliable crossing when river flows
May 16, 2017

PHOENIX – Much-needed traffic relief is in store for motorists in the southwest Valley when the Arizona Department of Transportation completes Loop 202 South Mountain Freeway bridges over the Salt River at 59th Avenue.

In February, Connect 202 Partners, the developer responsible for construction of the South Mountain Freeway, started work in the Laveen area on foundations for northbound and southbound spans that will open with the freeway by late 2019.

The Salt River bridges are two of 40 planned for the South Mountain Freeway, and they are by far the longest on the project at approximately 2,700 feet, or about a half-mile long. More importantly, the bridges will provide another all-weather link to and from Laveen when the Salt River flows while also reducing congestion at current crossings.

“Building another grade-separated crossing over the Salt River has been a critical transportation need in the growing Laveen area,” said Adam Brahm, the ADOT resident engineer who oversees construction from Lower Buckeye Road to 51st Avenue. “When nearby low-flow crossings over the Salt River have become impassable, it’s often created significant traffic delays in the area. The new Salt River bridges will make it easier for Laveen motorists to get where they need to go.”

The city of Phoenix’s 51st Avenue bridge is already heavily traveled and is the lone all-weather crossing over the Salt River between 35th Avenue and Avondale Boulevard, which is approximately 10 miles west of 35th Avenue. When low-flow crossings at 67th and 91st avenues are unavailable, the 51st Avenue bridge is the only available crossing in the area. 

This occurred earlier this year when the Salt River Project released excess water from its two reservoirs due to heavy rain and early snowpack melting.

Progress on the bridge foundations along the Salt River has been swift. Large drill rigs have bored holes up to 100 feet deep and towering cranes have lifted steel bar cages weighing more than 14,000 pounds that will create bridge piers.

 The remaining work will occur after ADOT receives permit approval from the U.S. Army Corps of Engineers, which oversees construction in designated waterways.

The South Mountain Freeway 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 as it runs east and west along Pecos Road and then north and south between 55th and 63rd avenues, connecting with I-10 on each end.

Approved by Maricopa County voters in 1985 and again in 2004 as part of a comprehensive regional transportation plan, the South Mountain Freeway will complete the Loop 202 and Loop 101 freeway system in the Valley.

For more information, visit SouthMountainFreeway.com.

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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 civilrightsoffice@azdot.gov. 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 civilrightsoffice@azdot.gov. Las solicitudes deben hacerse lo más pronto posible para asegurar que el equipo encargado del proyecto tenga la oportunidad de hacer los arreglos necesarios.