About the Project

In Spring of 2021, LaRiviere Inc. was contracted by Spokane County to provide underground and topside improvements to Bigelow Gulch Road. The contract included topsoil, seeding, fertilizing and mulching for erosion control and environmental protective measures during construction. During construction and erosion control work we had to keep traffic moving and the road accessible, while keeping all teams safe with passing cars. So we worked westbound first and then switched to Eastbound. This was a multi-phase project completed in Fall of 2021.

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General Contractor : LaRiviere Inc.

Industries Served
Civil Contractors
Solution / Service Type

Erosion Control

Project Size
  • Applied Profile ProGanics at 4000#/ac to drainage swales adjacent to roadways and retention ponds.
  • Applied 6.5 Acres with Hamilton’s Wood Cellulose Mulch 2500#/ac.

The areas high traffic counts and need to keep the roadways open created a challenge for completing both sides of the roadway at once, as well as a need for a detailed safety plan to keep all ground crews safe.

How We Solved It

Working to maintain to safety for our crews, we completed the eastbound side first and then finished on the westbound side of the roadway.

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