Memorial Day closure

Most City of Portland offices will be closed Monday, May 27, in observance of Memorial Day.

Beech Trunk Sewer Project

Sewer and Stormwater
Environmental Services is designing a project to repair large-diameter trunk sewer pipes near Interstate-5 and N Interstate Ave. This project will reduce the risks of basement sewer backups, flooding, and emergency repairs in the future.
Construction is expected to start in Summer, 2024
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Project Area  

The project is located to the south end of Mississippi Avenue and the N Greeley Avenue exit ramp that runs under I-5. 

Beech Trunk Sewer Project Area near N Mississippi Ave and Monroe St


Planning work is underway, and field research is ongoing. Design work will continue through the Spring of 2024. Construction is anticipated to begin in Summer 2024. 

What’s Happening Now 

The week of February 19, crews will be in the neighborhood to clean the sewer line and then use a robotic camera to obtain 3D and sonar images of the pipes, which will provide detailed information about the condition of the sewer pipe. This work will take up to two weeks to complete. Visit the Pre-Construction webpage for more details about these activities.  

Night Work 

Due to the size and location of the pipes, and for traffic safety reasons, some of the work will extend a few hours beyond 6:00 p.m. or will need to be done overnight. We will be using equipment that generates noise, including sewer cleaning trucks, compressors, light trucks, generators, pumps, and ventilation fans. Night work will require lighting of the work zone.  

Your comments regarding the schedule to work nights are valuable, and you can submit them to the Portland Noise Office by letter, email, or phone.   

Please submit comments to: Portland Noise Program, 1221 SW 4th Avenue, Suite 110, Portland, OR 97204, Email:, Phone: 503-823-7350 

We Want to Hear From You

We would like to hear from you about special events, school activities, and community services in your neighborhood you think may be impacted by this project. Also, we want to know if you have any concerns related to business operations, disability or mobility issues, medical or business deliveries, and proposed night work. Your input will help us minimize the impact to your neighborhood during construction.  

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