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205th Avenue (Baseline Road to Quatama Street)

205th Avenue is narrow between Baseline Road and Quatama Street. A bridge over Beaverton Creek needs to be replaced.

We will replace the 205th Avenue bridge at Beaverton Creek, between Baseline Road and Quatama Street.

Additional improvements include:

  • Buffered bike lanes
  • Sidewalks with ADA-compliant curb ramps
  • Retaining walls
  • Guardrails
  • Street lights
  • Improved storm drainage
  • Storm water treatment facilities

The bridge replacement will require a full road closure, planned for 2027.

Design start: September 2022
Design finish: January 2026
Construction start (expected): June 2026
Construction finish (expected): December 2028

Update

6/10/2026: Construction is now expected to begin on or after June 18, and continue through 2028.

205th Avenue will be closed for bridge replacement, beginning July 2027 and is expected to continue through October 2028.

Commissioner District 1

Funding

Cost Estimate: $31.4 million

Funding sources:

Major Streets Transportation Improvement Program (MSTIP)

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Prior comment opportunities

Open House: May 28, 2026

Updated Pedestrian Detour

Open House: May 15, 2025

Open House: Nov. 22-Dec. 8, 2024

Contact(s)