Infrastructure

I-5 Fish Passage Construction Continues Near Bellingham

Friday, September 4, 2026

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Multiple lanes on I-5 near Bellingham will close nightly for fish passage construction through September 10, according to Washington State Department of Transportation (WSDOT) records. The left lane of southbound I-5 will close from 8-11:59 p.m. nightly through September 3, and northbound I-5 will close from 8 p.m. to 5 a.m. nightly through September 4. New closures will begin September 8 for northbound I-5 and southbound I-5 off-ramp closures through September 10. A two-lane bypass will remain in place through October 31 near Chuckanut Creek. WSDOT states the work is part of fish passage construction to improve salmon habitat. Drivers should expect delays and reduced speeds in the area. The project webpage provides additional details.

📄 Source: WSDOT — Highway Construction & Closures — https://wsdot.wa.gov/travel/road-construction

Source receipts7 of 9 claims supported · 78%

Legacy automated check: the original source text was not preserved. These earlier verdicts have not passed the current publication checks and may contain errors. Source: original document ↗

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Multiple lanes on I-5 near Bellingham will close nightly for fish passage construction through September 10No usable supporting receipt — unverified.
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The left lane of southbound I-5 will close from 8-11:59 p.m. nightly through September 3“The left lane of southbound I-5 will close from 8-11:59 p.m. nightly Sunday, Aug. 30, through Thursday, Sept. 3, north of North Lake Samish (exit 246) for fish passage construction.”
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Northbound I-5 will close from 8 p.m. to 5 a.m. nightly through September 4“005 [6 mi from Bellingham]: The left lane of northbound I-5 will close from 8 p.m. to 5 a.m. nightly Sunday, Aug. 30, through Friday morning, Sept. 4, north of North Lake Samish (exit 246) for fish passage construction.”
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New closures will begin September 8 for northbound I-5No usable supporting receipt — unverified.
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Southbound I-5 off-ramp closures will begin September 8 through September 10“005 [11 mi from Bellingham]: The southbound I-5 off-ramp to Alger/Lake Samish Road (exit 240) will close from 8 p.m. to 5 a.m. nightly Tuesday, Sept. 8, to Thursday morning, Sept. 10, for fish passage construction.”
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A two-lane bypass will remain in place through October 31 near Chuckanut Creek“Northbound and southbound I-5 will use temporary, two-lane bypass roads near Chuckanut Creek (milepost 247) south of Bellingham around the clock through October.”
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WSDOT states the work is part of fish passage construction to improve salmon habitat“The left lane of southbound I-5 will close from 8-11:59 p.m. nightly Sunday, Aug. 30, through Thursday, Sept. 3, north of North Lake Samish (exit 246) for fish passage construction.”
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Drivers should expect delays and reduced speeds in the area“Northbound and southbound I-5 will be reduced to a single lane from 8 p.m. to 5 a.m. nightly Monday, Aug. 31, through Friday morning, Sept. 4, near Alger/Lake Samish Road (exit 240) for fish passage construction.”
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The project webpage provides additional details“More information on the <a href="https://wsdot.wa.gov/construction-planning/search-projects/i-5-tributaries-friday-lake-chuckanut-creeks-fish-passage">project webpage</a>.”