Project Complete
This project was completed in 2025.
N 41st St Pedestrian Bridge Seismic Retrofit
Updated June2025
What’s happening now?
Retrofits to help the N 41st St Pedestrian Bridgee better withstand earthquakes are complete!
The photo above shows the retrofitted N 41st St pedestrian bridge, helping people safely cross over Aurora Ave N (April 2025, SDOT).
Here’s what we’ve done to make the bridge stronger and less vulnerable in the event of an earthquake:
- Wrapped the bridge’s towers and piers in carbon fiber to increase strength.
- Retrofitted the base of the bridge’s foundation for added stability.
- Repaired cracks and damaged concrete for improved durability.
- Replaced bolts throughout the bridge to enhance structural integrity.
- Replaced sections of nearby sidewalks and curb ramps to improve access.
- Replaced the curb ramp at the northeast corner of the N 41st St and Aurora Ave N intersection.
About the Project
Seattle is located in an earthquake-prone region, and earthquakes can seriously impact our bridges. To address this risk, the City of Seattle created the Bridge Seismic Program to evaluate which bridges are vulnerable and reinforce them to better withstand seismic events.
As part of the Levy to Move Seattle, 16 bridges were selected for seismic reinforcements, including the N 41st St Pedestrian Bridge. The N 41st St Pedestrian Bridge is an older bridge built in 1936, prior to modernizing the seismic design code. This bridge provides a more direct connection across Aurora Ave N for the north Fremont neighborhood.
Project schedule
| 30% Design | Complete |
| 60 % Dsign | Complete |
| 90% Design | Complete |
| Final Design | Complete |
| Construction Began | September 2024 |
| Project Completion | June 2025 |
Funding
The project is funded through the Levy to Move Seattle. Approved by voters in 2015, the 9-year, $930 million Levy to Move Seattle provides funding to improve safety for all travelers, maintain our streets and bridges, and invest in reliable, affordable travel options for a growing city.
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