Overview
We stabilized the south end pier of the Kummer Bridge. We also built a 160-foot long retaining wall embedded deep into the bedrock and installed horizontal drains to remove excess water. This will prevent further movement of the bridge.
The Kummer Bridge goes over the Green River and is also known as the SR 169 Green River Bridge. It connects the communities of Black Diamond and Enumclaw.
Work was complete June 26, 2009.
 | Improves Safety
The piers that support the Kummer Bridge will no longer move. The bridge is now safer for traffic.
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 | Protects Environment
We installed multiple systems to collect, clean and dissipate the energy of the water before it runs into the Green River.
We replaced invasive species with native plants.
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Partnerships & Cooperation
WSDOT worked with many agencies throughout this emergency project.
Because the work zone was nearly entirely comprised of sensitive areas, we worked hand in hand with the Washington Departments of Ecology, Fish and Wildlife and the Army Corps of Engineers. We worked extensively with King County on environmental issues and traffic and roads.
Funding
This project was funded through federal emergency funds for a total of $9 million.
Contact Us
WSDOT Project Engineer
Aleta Borschowa
Phone: 206.768.5862
E-mail: Borscha@wsdot.wa.gov
WSDOT Communications
Jamie Holter
Phone: 206.440.4698
E-mail: holterj@wsdot.wa.gov
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