US-131

Road Construction Project Highlights:

  • Split/merge traffic plans enabled two lanes of traffic in both directions during construction
  • Corrected original roadways to adhere to current standards
  • Recipient of the ACPA Excellence in Concrete Pavement Gold Award Winner

What We Did

This project, which spans 26 lane miles from Grand Rapids to Cedar Springs, presented a series of unusual challenges. To prevent roadway degradation during construction, Ajax addressed "tented" pavement caused by incompressible material in the old pavement joints and improper expansion in joint maintenance. Additionally, the bridge over 6 Mile Road was too narrow to accommodate conventional construction traffic, and a split/merge traffic plan was required during repairs to keep traffic moving in both directions.

We placed a 6.5-inch unbonded concrete overlay on the existing 40-year-old pavement, bringing the roadway's parabolic surface, superelevation, and crown-cross slope up to current standards. We used a Shilstone-type, well-graded concrete mixture with three aggregates. The mixture contained 40 percent slag cement and used only 294 lb./cubic yard of Portland cement.

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Since paving its first road in 1951, Ajax has grown into one of the most trusted construction companies in Southeast Michigan and Florida, known for commercial concrete and asphalt services across the United States. Having completed over 14 million cubic yards of concrete on highways, runways, and more, Ajax combines decades of expertise with the latest technology, including stringless paving and advanced load-transfer systems, ensuring high-quality results in any work zone.

A state highway, an airport runway, and a racetrack surface each demand a contractor capable of self-performing the work—a large fleet of the latest construction equipment paired with the crews to run it. Ajax continues to set the standard for excellence in commercial concrete construction and remains the concrete construction services provider that MDOT, airports, and commercial clients across Michigan turn to first.
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