Magnolia Bridge Planning Study

What's happening now?

We're collaborating with Port of Seattle, transit agencies, local businesses, and the Magnolia Community Council to determine their transportation needs in the event the Magnolia Bridge must be closed temporarily or permanently. Together we'll develop an emergency closure response route, which includes an alternative route for residents, emergency vehicles and school buses. In the future, we will identify permanent solutions to manage traffic through south Magnolia.  Email us with questions at or subscribe here to receive occasional project updates.

Project Overview

Environmental impacts over the last two decades have weathered the Magnolia Bridge. We perform regular maintenance and frequent inspections on the bridge to ensure it is safe to use. However, in the long term, we will need a replacement for the bridge. In 2002, the year after the Nisqually Earthquake, we received a grant to identify a Magnolia Bridge replacement that would meet the community needs and the environmental conditions in the area. The team began with more than 20 options. Many of these options were eliminated due to environmental restrictions, community concerns, and engineering limitations. Five alignments were presented to the community. Ultimately, the community's desire drove the decision for a parallel bridge south of the existing Magnolia Bridge. Unfortunately, we've been unable to obtain adequate funding to complete the design and construct the preferred option.

We'll use the recommendations from the 2002 Magnolia Bridge Replacement Study as a basis for identifying short-term, and permanent solutions for accessing Magnolia should the bridge be closed. Our primary goals throughout the study are to identify financially feasible solutions and maintain a level of service similar to the current traffic conditions.

Magnolia Bridge Planning

Get Involved

Community involvement will be important in determining the permanent solutions. Please visit this website to learn where we are in the planning process and how you can provide comments. Subscribe here to receive occasional project updates.


May - August 2017: Closure Response Planning with key stakeholder involvement July 2017 - February 2018: Permanent Solution Planning with key stakeholder and community involvement


This planning study is funded by the 9-year Levy to Move Seattle, approved by voters in 2015. Learn more about the levy at

Contact Information

Send questions or comments to


The Seattle Department of Transportation (SDOT) and the Federal Highway Administration (FHWA) released the Final Magnolia Bridge Replacement Project Environmental Assessment (EA) in July, 2015 as part of the National Environmental Policy Act (NEPA). The EA examined the potential effects of the project on the natural and built environments. However, due to a lack of funding, the project is currently on hold.

The EA and others documents that were developed as part of identifying the preferred bridge replacement alternative can be found by clicking on the “Project Archive” option to the left.