Prairie Creek / BNSF Culvert Replacement

Project Description

The City of Arlington will be replacing the existing Prairie Creek circular culvert at the BNSF crossing near 204th St with a wide rectangular fish passable culvert. This is the final of six culverts being replaced along Prairie Creek as part of the City’s Prairie Creek Enhancement project. The project will include the replacement of the current 60-inch pipe to a 20-foot wide concrete box culvert that meets the Washington Department of Fish and Wildlife (WDFW) design guidelines for fish passable culverts, removal of bulk sediment both upstream and downstream from the structure, and reconstruction of approximately 200-feet of Prairie Creek upstream from the culvert. 

Project Benefits

  • Improve Prairie Creek fish migration
  • Able to pass flows from 100-year storm event
  • Decrease flooding problems in the area
  • Increase wildlife habitation
  • Restoration of the creek channel

Project Cost and Funding

  • Engineer’s Estimate: $1.7 million
  • Funding sources:
    • FEMA Hazard Mitigation Funds
    • City of Arlington Stormwater Funds

Project Schedule

  • Design: 2022 - 2023
  • Construction: TBD

Coordination with Local Businesses and Residents

Progress updates will be provided by the City on this project webpage to keep local residents and businesses apprised of the project progress.


If you have questions or concerns on this project, please contact the City Project Hotline at 360-403-3544 or


Program Documents

To translate documents, download the document then click the link: 

Program Updates

  • May 19, 2021 - FEMA Phase 1 award letter received
  • Interactive Webpage: 
  • August 8, 2023 - Restarted project design with a bridge solution for BNSF railroad crossing Prairie Creek.  First task is to obtain site geotechnical information for the design.