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4th Ave S Paving Project

Taking care of basics

Updated May 10, 2017

What’s happening now?

This project will repave 4th Ave S from S Royal Brougham Way to S Spokane St. 

We finalized the project design in January 2017 and are working to hire a contractor to do the paving. Construction is scheduled to begin in July and we’ll have more detailed information in the coming months. 

Construction Overview

Construction for the whole project will last 6 months, but the duration of work in front of a given property or block segment will be about 2 months.
We’ve divided the project area into 3 work zones and crews plan to finish major construction in one zone before moving to the next:

  • Zone A:  S Royal Brougham Way to S Walker St
  • Zone B:  S Walker St to S Forest St
  • Zone C:  S Forest St to S Spokane St

Project overview

4th Ave S is a major north/south arterial in SODO, carrying some 35,000 vehicles per day, many of them trucks and it’s classified as a major truck street. The street is primarily lined with businesses, along with government offices and maintenance yards. 

We are repaving 4th Ave S between S Royal Brougham Way and S Spokane St in 2017.

Before repaving the street, a 2-inch deep layer of the existing asphalt will be ground off. Crews will then evaluate the underlying base asphalt and identify areas where full depth reconstruction is warranted.
The curb lanes on both sides of the street will be reconstructed with a full depth asphalt section, to better withstand the weight of heavy buses and trucks. Once the full depth repairs have been made, the street itself will be repaved.
The project will also:

  • Replace curb ramps at some intersections to bring them into compliance with the federal Americans with Disabilities Act
  • Replace traffic detection loops in the pavement
  • Install drainage systems at select locations
  • Replaced buckled sidewalks in select locations

More details about the construction schedule and sequencing will available when the construction contractor is selected.

Funding

The project has a design Budget of $882,000 and construction budget of $14,850,000. It is being funded by a $1,550,000 Freight Mobility Strategic Investment Board Grant and the Move Seattle Levy, approved by voters in 2015.

Materials

Contact info

Paul Elliott
Project Communications Lead
(206) 684-8834
paul.elliott@seattle.gov

Brian Glas, PE
Project Manager, SDOT

Other SDOT projects in the area

Lander St Bridge Project – S Lander St between 1st Ave S and 4th Ave S that carries over 13,000 vehicles per day, as well as some 1,400 pedestrians, and 100 bicyclists.  However, some 100 trains per day block this traffic, closing the street 4 and a half hours each day. To address this problem, SDOT will build a bridge on S Lander between 1st Ave S and 4th Ave S. Construction is expected to begin in early 2018 and take approximately 2 years to complete. Visit the project website here or contact the project team at lander_bridge@seattle.gov or (206)684-0178.


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