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Over the next several years, we have many construction projects planned on Interstate 84 between Interstate 205 and Hood River, and on the Historic Columbia River Highway between Troutdale and Hood River.
Each project brings benefits to residents, businesses and visitors by increasing safety, extending the lifespan of the highways or completing a gap in walking and biking infrastructure.
I-84 Columbia Gorge construction impacts update
Construction continues on several projects in the Columbia River Gorge between Cascade Locks and Hood River.
Travelers on I-84 should be aware of planned traffic impacts, expect to travel through multiple work zones with lane closures between Cascade Locks and Hood River, and plan for delays.
Throughout the year, i84GorgeConstruction.org and TripCheck.com are your best resources for staying informed.
 Click to enlarge map.
Current construction
In Cascade Locks, the I-84: Forest Lane Bridge Raising project is underway. The project will allow tall or over-height trucks to continue on I-84, making travel more efficient and saving time and money for travelers, and also increasing safety on alternate routes. Travelers can expect:
- Starting Wednesday night, Feb. 23, one lane in each direction on I-84 will be closed around-the-clock for several months.
- The Forest Lane Bridge over I-84 is closed for several months to raise the structure.
Work is underway to construct two segments of the Historic Columbia River Highway State Trail from Viento State Park to Mitchell Point and the Mitchell Point Tunnel. Work includes utility relocations and trail construction, including tunnel construction with rock blasting at Mitchell Point. Travelers can expect:
- Rolling slowdowns on I-84 east and west Tuesdays and Thursdays from 9 a.m. to 11 a.m. Eastbound rolling slowdowns begin at Cascade Locks. Westbound rolling slowdowns begin at Memaloose State Park.
- Lane closures on I-84 east between Viento State Park and Mitchell Point. Daytime single lane closures on weekdays continue through February. Beginning March 1, one lane of I-84 west will be closed around-the-clock for up to two weeks and one lane of I-84 east will be closed around-the-clock until Memorial Day.
Field work for the design of the final segment of the Historic Columbia River Highway State Trail from Ruthton Park to Hood River is anticipated to begin in late February. Travelers can expect:
- Shoulder closures and single lane closures on I-84 east and west between Mitchell Point and Hood River.
Upcoming spring construction
Work to repair the aging floor of the Toothrock Tunnel (which carries I-84 east near Bonneville Dam) and repave I-84 between Multnomah Falls and Cascade Locks is scheduled to begin this spring. Travelers can expect:
- Nighttime lane and ramp closures on I-84.
- Some around-the-clock lane closures on I-84.
- A several week closure for all vehicles of the I-84 east off-ramp toward Eagle reek (exit 41) to allow for bridge repairs.
More information on work scheduled for 2022 and beyond is available on our project website. Stay tuned for more email updates!
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