In the summer of 2014, contractor crews working for WSDOT replaced or repaired 81 concrete panels in both directions of SR 99 between S. Spokane Street and S. Holgate Streets in Seattle's SODO neighborhood.
The old panels were more than 40 years old. They had begun to crack and flex under the strain of increasing traffic and heavier trucks.
Crews also ground nearly 198,000 square feet pavement to remove wheel ruts, creating a smoother drive.
New concrete: Replacing panels reduces bumps and ruts, creating a safer drive.
Wheel rut removal: Grinding out wheel ruts allows water to more easily drain from the roadway, reducing locations where water can pool.
| Economic Incentive
Replacing and repairing damaged concrete panels and grinding the roadway extends the life of SR 99. It also reduces the need for costly emergency repairs to fix potholes and cracks.
Partnerships & Cooperation
|Financial Data for PIN 109936G
||Amount ($ in thousands)
|2003 Gas Tax (Nickel Funding)
|2005 Gas Tax (TPA)
|Pre-Existing Funds (PEF)
Northwest Region Communications
15700 Dayton Avenue North
Seattle, WA 98133
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