Fish Passage and Habitat Restoration

Thornton Creek Confluence Project


Location: Seattle, WAOwner: City of Shoreline OCI was responsible for the TESC and stream bypass plan for this flood management and habitat restoration design project. Deliverables included plans and detail sheets, specifications, engineer’s cost estimate, and the Stormwater Pollution Prevention Plan (SWPPP). Challenges included:  bypass of a flashy, urban stream and isolation of the sediment
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SR 167 Puyallup River Bridge


Location: Puyallup, WAOwner: City of Puyallup OCI was responsible for drainage and TESC design for temporary detour and permanent bridge across Puyallup River at the outer limits of City of Puyallup from Milepost 6.19 to 6.25. The project involved removing the existing degraded southbound steel truss bridge (Meridian Street Bridge) and replacing it with a
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