Crystal Springs Creek Fish Passage Improvements

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With the implementation of the Portland-Milwaukie light rail project, TriMet, the City of Portland, and Union Pacific Railroad collaborated to replace an undersized and aging Union Pacific Railroad culvert along Crystal Springs Creek. The creek is identified as a key resource in restoring Chinook, coho, and steelhead habitat within the Johnson Creek basin.

To accommodate construction of the new culvert, ESA developed a design using a 150-foot-long concrete box culvert to replace the existing corrugated metal pipe culvert. The design included a natural streambed bottom to improve fish passage conditions for this reach of the creek. Our design realigned the creek channel, and included floodplain grading, bank stabilization, large wood habitat structures, and riparian planting. We provided design calculations and hydraulic modeling to support state and federal regulatory review of fish passage and permitting requirements. With the need to keep Union Pacific in operation, our team coordinated an accelerated construction schedule over two weekend closures of a busy freight line.

ESA provided a creative and time-sensitive solution to replace an undersized and aging culvert to restore fish habitat along Crystal Springs Creek.

Specialized Services

  • Biotechnical bank stabilization and grade control
  • Construction observation and support
  • Design specifications and construction bid packages
  • Fish passage design
  • Grade control and bank stabilization
  • Habitat restoration and enhancement
  • Large woody debris and in stream structures
  • Modeling and analysis
  • Native plant revegetation
  • Permitting assistance
  • Riparian restoration