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SR 503 - 1 Mile East of Rock Creek Bridge to Fredrickson Road - Paving - Complete September 2010

This project resurfaced SR 503 between Rock Creek Bridge (milepost 35.50) and Fredrickson Road (milepost 45.96) 

The asphalt pavement on this section of SR 503 was deteriorating due to age and normal wear. This project resurfaced the interstate to repair ruts and cracks in the existing pavement, extend the life of the roadway, and provide a smoother and safer ride for motorists. The project also strengthened and preserved the road surface, allowing SR 503 to continue handling commuter and freight traffic.

In addition, this project upgraded existing guardrail and pavement markings along the SR 503 corridor to meet current federal design standards.

How You Benefit
Cross GlyphImproves Safety
This project improves motorist safety and drivability with a smoother road surface, and with upgraded guardrail.
Leaf Glyph Protects Environment
The new surface reduces the effects of aging on the pavement, requires less repair work, and reduces maintenance costs.

Partnerships & Cooperation
At WSDOT we seek to address the concerns of the tribal nations using the process outlined in Section 106 of the National Historic Preservation Act and the WSDOT Tribal Consultation Policy adopted in 2003 by the Transportation Commission as part of the WSDOT Centennial Accord Plan. This project did not impact any tribal resources since the work was entirely above ground on existing WSDOT right of way. For more information visit our WSDOT Tribal Liaison website.

WSDOT makes every effort to assess and minimize environmental impacts from our projects. A detailed analysis of the project’s environmental impacts was completed as part of the environmental documentation and environmental permitting processes. For environmental information specific to this project, please contact Barb Aberle at (360) 905-2186, or e-mail


  • Pre-existing funds: $614,000
  • 2009 American Recovery and Reinvestment Act (ARRA): $1.87 million
  • Total funding available: $2.49 million

Contact Us
Area Engineer Denys Tak
WSDOT Kelso Area Office
2400 Talley Way
Kelso, WA 98626
Phone: 360-442-1341, or toll-free at 1-800-545-1393


WSDOT Southwest Region
PO Box 1709
Vancouver, WA 98668-1709
Phone: 360-905-2058

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