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Big Dry Creek Streambank Restoration Project

What’s Happening Now

Phase 2 of the Big Dry Creek Streambank Restoration Project between Wadsworth Boulevard and Westcliff Parkway will begin as soon as November 26. Phase 2 work will be conducted closer to Westcliff Parkway. You can expect to see construction crews working on this segment of the project through spring. 

Construction on the City Park segment of the project is anticipated to start early 2024.

About The Project

The City of Westminster is teaming up with the Mile High Flood District to improve Big Dry Creek’s water quality and flood management capabilities, and make it more resilient to intense storm runoff events. Together, we are repairing and stabilizing streambanks from 112th Avenue to Wadsworth Boulevard. This project will address Big Dry Creek’s stream instability, flood management, and maintenance needs. Years of urban runoff has led to steep, unsafe streambanks. This degradation is also approaching sewer pipes and trails, which need to be protected from further damage. Mitigating these risks will allow our community to continue safely enjoying activities along the Big Dry Creek for years to come.

This project will address multiple project areas along the Big Dry Creek and the timeline for each area is below.

Typical project work includes:

• Site-specific construction activities that rebuild and reestablish existing, neglected, or damaged drainage facilities with structural problems, such as:
  • Local channel grading, stabilization, and replanting
  • Vegetation management
  • Trash and debris cleanup
  • Weed and noxious vegetation control
  • Tree thinning
  • Sediment removal
  • Revegetation
  • Reconstructing or replacing grade control structures, box culverts and retaining walls

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Project Map

Project Work Phases:

Wadsworth Boulevard to Westcliff Parkway

Phase 1:

• Wadsworth Boulevard to Westcliff Parkway Construction – Fall 2022-Spring 2023 
• Wadsworth Boulevard to Westcliff Parkway Vegetation Establishment and Growth – Summer 2023-2026 

Phase 2:

• Wadsworth Boulevard to Westcliff Parkway Construction – Fall 2023 - Spring 2024
• Wadsworth Boulevard to Westcliff Parkway Vegetation Establishment and Growth – 2025-2030

Project map

City Park

This project will improve sections of Big Dry Creek between W. 104th Avenue and Sheridan Boulevard near City Park and Highlands Creek near W. 104th Avenue. Reconnecting the natural floodplain along the Big Dry and Highlands creeks will result in the following benefits:

• Reduced maintenance costs
• A healthier stream
• Improved flood management
• Natural beauty
• More trees
• Nine new pedestrian bridges

Timeline: 

• City Park Construction – Winter 2024–Fall 2026
• City Park Vegetation Establishment and Growth – Summer 2026-2031

Detours: Trail detours will be noted once a construction plan is set.

Project map:

• Big Dry Creek Plan Graphic Phase 2 Grayed
• Big Dry Creek Plan Graphic - Reduced File Size Phase 2 Grayed

Sheridan Boulevard to 112th Avenue

The Big Dry Creek will be reconstructed between Sheridan Boulevard and 112th Avenue. The project will include trail extensions and realignments to improve flow and trail access.

Timeline: Postponed due to funding. 

Detours: Trail detours will be noted once a construction plan is set.

Questions?

Send the project team an email at BDCRestoration@westminsterco.gov or give us a call at 303-706-3406.