City of Clarkston Bridge/Diagonal/2nd Street Roundabout HWA is proud to have provided materials testing and inspection services alongside Keller Associates Inc. , for the City of Clarkston Bridge/Diagonal/2nd Street Roundabout Project. For years, the intersection of Bridge Street (US-12), Diagonal Street, and 2nd Street was Clarkston’s most dangerous and congested location. Five legs converged at a signalized intersection plagued by long delays, confusing traffic patterns, an

Photo courtesy of ACEC Spotlight on the 2026 ACEC WA Engineering Excellence Awards National Silver Winner in the Transportation Category! HWA is proud to have provided geotechnical and geoenvironmental services as part of the HDR team for the City of Bellevue’s 124th Avenue NE Corridor Improvements which was the winner of the 2026 ACEC WA Engineering Excellence Awards National Silver – Transportation Category! Corridor enhancements include state-of-the-art bicycle/pedestrian

LinkedIn Article - 2026 ACEC WA Engineering Excellence Awards State Silver Winner HWA is proud to have provided material quality acceptance testing to support the CM Services for Runway 14L-32R for King County International Airport, led by DOWL , supporting one of the busiest general aviation airports in the country. This critical runway and several taxiways were in serious need of repair, having worn out pavement, outdated lighting, and a layout that didn’t meet modern safet

https://www.linkedin.com/posts/city-of-shoreline_nature-without-barriers-the-kruckeberg-boardwalk-activity-7346285873325330434-wvmX?utm_source=share&utm_medium=member_desktop&rcm=ACoAADzY6O0BztMfbaNwmLWo9xT5Hrx-Hqd8SRE We are proud and honored to share that the Kruckeberg Botanic Garden in Shoreline received the Washington Recreation & Parks Association (WRPA) Spotlight Award for Outdoor Spaces (population under 100,000). This effort helped transform accessibility in the gard

Spotlight on the ACEC WA 2025 Engineer of the Year! We are thrilled to announce that ACEC awarded our very own, Ralph Boirum, the prestigious Engineer of the Year award at the 58th annual Engineering Excellence Awards! Ralph has been involved in more than 6,000 engineering projects with a focus in the geotechnical engineering field. His deep technical knowledge led him to be a vital contributor to the design and construction of some of the region’s most significant and comple

HWA is honored to be a part of the team that won a National Gold Award for the Fairview Avenue North Bridge Replacement project. The...

HWA is proud to have been a part of the team that won the Washington State APWA Project of the Year Award for the best transportation...

HWA is proud to see one of our projects get closer to completion http://www.djc.com/news/co/12112047.html Construction is expected to...

HWA is honored to have been part of the team that won Project of the Year at the 2017 APWA Spring Conference with the City of Lynnwood...

Because Albert Atterberg spent a lot of time making "worms" out of soil so you could live a safe and happy life. Albert Atterberg is one...