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Demolition work allowed this girder to be removed from the I-205 Abernethy Bridge northbound deck.
OREGON CITY – Overnight deck demolition work to remove portions of the existing bridge deck in preparation for the eventual widening of the structure continued this week. After pausing for the weekend, work will resume Monday, April 28 through Friday, May 2 as progress continues.
Demolition work will continue through May. Work will happen from 9:30 p.m. until 4:30 a.m. each night. Some work will occur during the daytime, when it can be done safely.
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What is being removed? Sections of the concrete barrier and concrete deck surface over OR 99E along northbound and southbound I-205 in preparation for girder removal. A large section of the northbound girder was removed April 13 (pictured above).
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Why is the demolition being done now and where does it fit in the project? In order to install new steel girders and fittings to handle the upcoming widening on the Abernethy Bridge, some sections of the existing bridge deck need to be removed.
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Why is demolition work happening at night? Night work is needed since some demolition will occur directly above OR 99E and other areas with active vehicle and pedestrian foot traffic during the day. These areas need to be closed for safety purposes when traffic volumes are low.
Follow the progress live on the project construction cameras.
We know the noise from construction work can be disruptive. Again, we appreciate your patience.
Residents in the vicinity of the construction area should anticipate elevated noise levels while this work is occurring. A 24/7 nighttime noise hotline is available at: 503-276-7809.
WEST LINN – Rock excavation work continues under the Abernethy Bridge on the West Linn side adjacent to OR 43.
This time-consuming work focuses on excavating channels through solid basalt to accommodate waterline installation to the proper depth. Approximately 250 feet of waterline pipe has been installed so far below the I-205 southbound onramp onto and across OR 43 during this effort.
The majority of the work will happen between 7 a.m. and 8 p.m. Monday through Friday. There is a chance overnight excavation work may be necessary.
Project Traffic Impacts
As work activity increases, there are multiple lane reductions, ramp closures and signed detours occurring throughout the project area. Current and complete details and detour maps can be found on the project website.
April 25 - May 2 Traffic Impacts
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I-205
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OR 99E
- April 25 - Overnight lane closures on OR 99E southbound from 8 p.m. to 6 a.m. A single lane will remain open.
- April 28-May 2 - Overnight lane closures on OR 99E northbound from 10 p.m. to 5 a.m. A single lane will remain open.
- April 28-May 2 - Overnight ramp closure from OR 99E to I-205 northbound from 10 p.m. to 5 a.m.
- Pedestrian detours on OR 99E.
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OR 43
- April 25-26 - Overnight lane closures on OR 43 northbound from 8 p.m. to 6 a.m.
- April 25-May 2 – Lane closures at I-205.
- Pedestrian detours on OR 43.
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Local roads
- April 28-30 - Daytime flagging on Main Street from 7 a.m. to 5 p.m. Monday through Wednesday.
The latest information on traffic impacts will be available at TripCheck.com.
As with any construction project, closure dates and timing are subject to change.
Future Work
Coming this summer, May-June 2025 (tentative)
Pile driving at the base of a bridge support near OR 99E will occur sometime in mid-May during the day (likely 7 a.m.-8 p.m.) for approximately four weeks. More details will be provided once confirmed.
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ODOT is upgrading the Abernethy Bridge, which spans the Willamette River between Oregon City and West Linn, to withstand a major earthquake and widening it to accommodate a future third travel lane. Additional improvements are being made to the bridge's adjacent on- and off-ramps to improve safety. This work is expected to be completed in 2026.
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