Overview
On Dec. 3, heavy rainfall caused flooding near State Route 96 (Seattle Hill Road) south of Snohomish. The water overwhelmed a culvert beneath the roadway, causing it to collapse and washing out the ground below the road. Before crews began repairs, the hole under SR 96 was 40 feet long, 25 feet deep and stretched from the outer edge of the road to the centerline.
To keep drivers safe, crews closed the road between 125th Street SE and 60th Avenue SE until they finished repaving the roadway on Dec. 31. The new roadway is safe for drivers and built to withstand future flooding. The new larger box culvert will protect against future flooding and improve fish passage.
 | Improves Safety
The repairs stabilized the road for drivers and will protect against future flood damage.
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 | Protects Environment
The new box culvert will improve fish passage.
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Partnerships & Cooperation
We awarded the emergency contract to Wilder Construction. Crews began work on Dec. 11. and reopened the roadway to drivers by Dec. 31. Crews finished the repairs on Jan. 17.
During the design and construction of these repairs we considered environmental factors including the threat to nearby wetlands. Please visit the WSDOT Environmental Services Web site for more information.
Funding
The total project cost is estimated at $2 million. The Federal Highway Administration has approved the project as eligible for emergency relief funding.
Contact Us
WSDOT Project Engineer Marlin Lenssen
MS: NB82-57
PO Box 330310
Seattle, WA 98133-9710
Phone: (425) 225-8796
E-mail: LenssMJ@wsdot.wa.gov
WSDOT Communications Meghan Soptich
15700 Dayton Ave N
Shoreline, WA 98133
Phone: (206) 440-4704
E-mail: SopticM@wsdot.wa.gov
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