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Concrete Repairs Explained

Construction Update - March 24, 2015

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Recent news stories have reported on concrete repairs that are being made to a column on one of the Sellwood Bridge river piers. Several stories reported that chunks of concrete had fallen from the column, which is not correct. The voids in the column are areas where the contractor intentionally removed concrete that did not consolidate (mix well) during the pour.  After the bad concrete is removed, the void is filled with a grout that is stronger and more durable than the original concrete.  The repair is the contractor's responsibility and does not affect the project's cost, schedule or quality. After the column surface is finished and stained, the repair will not be visible. Similar concrete repairs have been performed on other bridge projects around the state, following a state specification. The county and the contractor have taken steps to improve the quality of concrete pours on the project.


Sellwood Bridge Field Work Notice for March 20

Arch segments installed in sequence, 3-2015

Arch segments installed in sequence, 3-2015

Field Work Notice - March 20, 2015

TRAFFIC ALERTS

April Bridge Closure: The contractor plans to close the bridge to all traffic from 7 pm on Friday, April 17 until as late as 6 am on Monday, April 20 to implement a traffic pattern change at the west end of the bridge.  When the bridge reopens on April 20, traffic will use the new west approach which will transition onto the detour bridge. This will allow construction of the ramp from the bridge to northbound Hwy. 43. Highway traffic will not be impacted by the weekend bridge closure.

Bridge delays on March 24:  Sellwood Bridge traffic will be delayed at times on Tuesday between 9 am and 4 pm during installation of heavy steel segments for one of the arch spans. Delays of up to 20 minutes (including sidewalks) may be needed. Bridge users may want to consider alternate routes to avoid delays.

Hwy. 43 traffic impacts:

  • Lane closures are planned from 9 am to 4 pm next week in the southbound outside lane south of the bridge during finish work on the concrete walls.
  • The outside northbound lane will be closed next week from 7 am to 4 pm north of the bridge during work to connect the new 36-inch waterline.

Springwater Trail:  The trail will be closed under the bridge from 7:30 am to 4 pm Wednesday to Friday, March 25 – 27 during work on the east abutment wall.  Flaggers will direct trail users to the alternate route on SE 7th Ave. where a crosswalk crosses SE Tacoma St.

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Sellwood Bridge Field Work Notice for March 13

Span 2 deck concrete pour

Span 2 deck concrete pour

Field Work Notice - March 13, 2015

TRAFFIC ALERTS

Bridge traffic delays:  Sellwood Bridge traffic will be delayed at times on Monday, March 16 between 9 am and 4 pm during installation of heavy steel arch segments for the east span of the new bridge.  Delays of up to 20 minutes (including sidewalks) may be needed during installation. Bridge users may want to consider alternate routes to avoid delays.

Hwy. 43 traffic impacts:

  • Lane closures are planned next week in the southbound outside lane north of the bridge during finish work on the concrete walls.
  • Lane closures are planned next week for northbound traffic south of the bridge during installation of large concrete blocks for a new retaining wall.

Springwater Trail:  On Saturday morning, March 14 the trail will be closed under the bridge during installation of panels for the east abutment wall.  Signs will direct trail users to the alternate route.

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Next Sellwood Bridge traffic impacts on Thursday

News Release - March 10, 2015

Installation of the east arch span for the new Sellwood Bridge will impact traffic at times on Thursday, March 12 from 9 am until as late as 4 pm.  The schedule for traffic impacts has changed based on the progress of construction.

The Sellwood Bridge contractor installed two segments of the steel arch for Span 5 (the east river span) today. On Wednesday, March 11 the contractor will spend the day relocating a large crane that will lift the next two arch segments into place on Thursday.  Sellwood Bridge traffic will not be impacted by the work on Wednesday, as previously planned. 

Highway 43 will remain open to two-way traffic at all times.  Here are alternate routes bridge users may use on Thursday to avoid delays:

  • Motor Vehicles:  Alternate routes for westbound traffic are:
    • Northbound: Hwy. 99E (McLoughlin Blvd.) to Ross Island Bridge to Hwy. 43
    • Southbound: Hwy. 99E to Interstate 205 (Abernethy Bridge at Oregon City) to Hwy. 43

Eastbound routes are the reverse. 

  • Bicyclists and Pedestrians: Bicyclists and pedestrians may prefer the Hawthorne Bridge for the northern detour. The Hawthorne Bridge can be accessed from the Sellwood area from the Springwater Trail.

The Sellwood Bridge is normally open during construction. The new bridge is scheduled to open in early 2016 and the entire project will be completed in late 2016. To view the arch installation, visit the project's webcam.

This news release is also available on the Mulnomah County website.