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  • About Us
  • Our Commitment
  • Divisions
    • Hamilton Divisions
    • Alaska Division
    • Oregon Division
    • Greater Western US
    • Rail Division
    • Washington Division
  • Join Our Team
    • Join Our Team
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Washington Division

Hamilton has been building bridges and improving communities in Washington State since the 1970s. From our regional office in Olympia, we have partnered with owners to modernize and reconstruct bridges, interchanges, and fish passages. Through collaborative constructability reviews and Alternative Technical Concepts (ATCs), Hamilton has worked with owners to exceed project goals, accelerate schedules, provide innovative solutions, and work quickly to respond to complex challenges.

Our Washington Division crews have worked in dense urban environments with multi-modal traffic, remote rural locations, over extremely high ravines, and within sensitive environments. Our crews are dedicated to safety, quality, collaboration, mitigating risks, minimizing impacts to the traveling public, and environmental stewardship.
"In addition to the original contract work, several project changes occurred and were handled at the lowest level possible. WSDOT and Hamilton partnered to achieve solutions that were agreeable to both parties. A strong partnership between Hamilton and WSDOT was established and maintained throughout the duration of the project … Hamilton staff, through their continuing efforts to achieve a high level of client satisfaction, facilitated this partnership."
– WSDOT Assistant Project Manager
US 395: NSC Sprague Avenue - Spokane River Phase 1 / WSDOT / Spokane, WA
SR 127 MP 9.65 to MP 9.92, Elmer C Huntley Snake River Bridge Deck Rehabilitation / WSDOT / Garfield and Whitman Counties, Washington
I-5 Portland Ave to Port of Tacoma Rd - Northbound HOV / WSDCOT / Tacoma, Washington
Design-Build: I-82 South Union Gap Interchange / WSDOT / Union Gap, Washington
Design-Build: SR 202 Evans Creek & Patterson Creek Fish Passage / WSDOT / Redmond/Fall City, Washington
SR 504 Wooster Creek Culvert Replacement, Fish Passage / WSDOT / Castle Rock, Washington
SR 153 Methow River Bridges Structural Rehabilitation Phase 3 / WSDOT / Methow/Carton, Washington
Peter Western Bridge Replacement / City of Burien / Burien, Washington
SR513 Montlake Bridge Mechanical Rehabilitation and Deck Replacement / WSDOT / Seattle, Washington
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CORPORATE HEADQUARTERS: PO Box 659, Springfield, Oregon 97477   /   phone: 541-746-2426   /   Fax: 541-746-7635
ALASKA DIVISION: 12078 N. Glenn Highway, Sutton, Alaska 99674 [PO Box 309, Sutton, Alaska 99674]   /   phone: 907-746-5307
RAIL DIVISION: PO Box 659, Springfield, Oregon 97477   /   phone: 541-746-2426   /   Fax: 541-746-7635
WASHINGTON DIVISION: 1850 93rd Avenue SW, Olympia, Washington   /   phone: 360-742-3326   /   Fax: 360-742-3579
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© Hamilton Construction Co. All Rights Reserved. An Equal Opportunity Employer.
  • About Us
  • Our Commitment
  • Divisions
    • Hamilton Divisions
    • Alaska Division
    • Oregon Division
    • Greater Western US
    • Rail Division
    • Washington Division
  • Join Our Team
    • Join Our Team
    • Current Openings
    • Apprenticeship Programs
    • Careers Defined
  • Employee Resources
  • Contact Us