This weekend: Overnight closure of I-205 across the Abernethy Bridge Friday and Saturday nights
This Friday and Saturday night, I-205 across the Abernethy Bridge will close overnight as crews install a new sign bridge that spans all lanes of the highway. This work requires a full closure of I-205 between OR 99E and OR 43 both nights.
Details:
- Overnight closure of I-205 in both directions across the Abernethy Bridge on Friday, Dec. 5 from 11 p.m. to 6 a.m. and Saturday, Dec. 6 from 11 p.m. to 7 a.m.
- During the overnight closures, the following on-ramps will also close:
- OR 99E on-ramp to I-205 southbound.
- OR 43 on-ramp to I-205 northbound.
- Lane closures on I-205 in both directions before and after the nighttime full closure.
- Expect two more overnight closures on the Abernethy Bridge in the coming weeks. We will share details when they are confirmed.
- As with any construction project, closure dates and timing are subject to change due to weather or other unforeseen events. Please visit the project website for ongoing updates.
Local and Regional Detours
- Regional traffic will bypass I-205 in this section by using detours on OR 224, OR 99E and I-5.
- Local traffic can use the Arch Bridge to cross the river.
 Abernethy Bridge regional detour bypassing I-205.
 Abernethy Bridge local detour using the Arch Bridge to cross the river.
Daytime closure of westbound lane of Arch Bridge
The westbound lane on the Arch Bridge heading from Oregon City to West Linn continues to close during the day.
Details:
- Daytime closure of the westbound lane on the Arch Bridge from 9 a.m. to 2 p.m. daily. This may continue into next week
- Drivers headed from Oregon City to West Linn on the Arch Bridge will be detoured onto I-205 to cross the river.
- Both sidewalks and the eastbound direction of the bridge will remain open.
Details and detour maps can be found on the project website.
What is this project?
ODOT is upgrading the Abernethy Bridge, which spans the Willamette River between Oregon City and West Linn, to withstand a major earthquake. We are also improving safety by realigning on- and off-ramps near the bridge and building new bike and pedestrian routes. This work is expected to finish in late 2026.
Follow the progress live on the project construction cameras.
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