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29th/Washington/Monroe/Lincoln Grind & Overlay

Project Number: 2022065

Status: Completed

Construction Start Date: April 1, 2024

Estimated Completion Date: October 2024

Construction Estimate: $4,970,970

Contractor: Inland Asphalt Company

Project Description

The 29th/Washington/Monroe/Lincoln Grind and Overlay and ADA compliant ramp installation will take place on:

  • East 29th Avenue from South Grand Boulevard to South Southeast Boulevard
  • East Lincoln Road from North Standard Street to North Nevada Street
  • North Monroe Street from West Francis Avenue to West Wellesley Avenue
  • North Washington Street from West Maxwell Avenue to the Spokane River

Grind and Overlay, also known as milling and resurfacing, is a four-step process widely used in road rehabilitation for its cost-effectiveness and minimal disruption compared to complete reconstruction. This method focuses on targeted repairs and improvements without extensive excavation or full roadway replacement.

The first step involves the removal or lowering of all manholes, surface storm-water, and sewer structures to protect them from damage during the grinding process.

In the second step, the top layer of the existing asphalt is ground down or milled to remove damaged or worn-out material. This milling process creates a smooth, even surface that provides a solid foundation for the new asphalt layer.

The third step involves raising and replacing the surface structures that were removed or lowered in the first step, ensuring they are aligned with the new road surface.

Finally, the fourth step is the application of a new layer of asphalt over the milled surface, effectively overlaying the old pavement. This new asphalt layer restores the road's structural integrity, improves its appearance, and enhances durability. By sealing off cracks and imperfections, the overlay provides a smooth, safe driving surface capable of withstanding traffic and weather conditions.

The Grind and Overlay method is favored for its ability to efficiently extend the lifespan of existing roadways while maintaining safety and aesthetics.

Project Highlights

The project encompasses a range of infrastructure improvements, including:

  • Construction of approximately 1,201 linear feet of storm sewer
  • Installation of 10 drainage structures
  • Laying of 1,580 square yards of sidewalk and ADA (Americans with Disabilities Act) compliant ramps
  • Building 2,925 linear feet of cement concrete curb
  • Planing of 94,470 square yards of bituminous pavement
  • Excavation for pavement repair covering 10,486 square yards, including haulage
  • Repair of 10,884 square yards of HMA (Hot Mix Asphalt) pavement
  • Application of 94,470 square yards of 2-inch thick asphalt pavement
  • Installation of 16,622 square feet of durable, heat-applied pavement markings
  • Retrofitting traffic signals at the intersections of Washington & Boone, Washington & Maxwell, and 29th Avenue & Perry
  • Making sundry utility adjustments
  • Execution of other related miscellaneous items

Project Maps

Note to Residents

If you have special access requirements for your property (such as business, medical, or disability), or general questions about this project, please contact the Construction Relations Manager or Contractor Public Representative. Additionally, if your property is in the city-owned path of construction and will be disturbed, you will receive a separate letter with more details prior to construction.