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Soils & Structures

Bidirectional Fish Pass

TC Fish Pass2
TC Fish Pass2
TC Fish Pass1
TC Fish Pass1
  • November 11, 2025

Project Title: Bidirectional Fish Pass
Location: Traverse City, Michigan
Services: Construction Materials Testing, Geotechnical Engineering
Value: $23.3 M

Traverse City FishPass, which replaces the Union Street Dam, will consist of an experimental barrier that allows desirable fish to pass while blocking invasive species like sea lamprey. Construction of this first-of-its-kind structure began in May of 2024, with all in-river work set for completion in 2026. Associated dry land components like an amphitheater and education building will follow in 2027.

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  • Services
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    • Construction Material Testing
    • Laboratory Testing
    • Infrastructure Design
  • Resources
    • State Registrations
    • MDOT Pre-qualifications
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    • Ann Arbor
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