Desoto Street Stabilization and Rehabilitation

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Desoto Street is now open for traffic. Thank you for your patience.

Drivers may experience intermittent lane closures while the project is being completed.

Desoto Street Stabilization & Rehabilitation Project

August 6 – November 2, 2018

Construction is scheduled to begin the Desoto Street Stabilization and Rehabilitation Project. This project will completely reconstruct Desoto Street SW and 4th Avenue SW from 2nd Avenue SW to Emerson Street SW.

Construction during the project will be an inconvenience to residents, but replacing the failing road, improving the retaining wall, upgrading utility services, adding bicycle lanes and sidewalks will improve the neighborhood for years to come by providing safe roads and reliable utility service to residents in the area. Thank you in advance for your cooperation and patience.

Project Description

Work includes reconstruction of the existing road base and surface, sidewalks, curb ramps, curb and gutter, retaining wall, water line, storm and sanitary sewer infrastructure, and underground conversion of the overhead utilities except for the power transmission lines. The project will also include construction of new features, such as slope stabilization, an uphill bike lane, fencing along the sidewalk (due to the steep drop near the canyon), architectural street lighting, and storm water treatment.

Construction Schedule

     • Active Construction Inc., (ACI), from Puyallup, WA is the Contractor for the project.
     • Construction work hours are typically between 7:00 a.m. and 4:30 p.m.
     • The Work is scheduled to begin August 6, 2018. The majority of work will be completed by November 2, 2018.

Road Closures

The work requires closing Desoto Street SW completely for the duration of the project. The full road closure is necessary due to deep soil stabilization and deep utility work on this narrow road. The road closure is expected to last 3 months, depending on the weather. Traffic control, including detour signs and flaggers, will be provided. 

Local streets within the proximity of the project are expected to receive more traffic volume than normal due to the detours. Electronic message boards and detour signs will be installed along the detour routes. 

2018 Desoto Street Project Detour MapPDF file

Project Funding

This project is funded by a Surface Transportation Program Grant from the Washington State Department of Transportation. 

Project Personnel

     • City of Tumwater Project Inspector: David Mils
     • City of Tumwater Project Manager: John Norman
     • ACI Project Superintendent: Chris Roberts
     • Design Firm: Skillings Connolly, Inc.

If you have any questions or concerns, please contact John Norman, City Engineer, at 360-754-4140 or email

Stay Connected

Register for “Construction & Traffic Alerts” to receive an email about traffic impacts and service interruptions as the project progresses at