PORTLAND, Ore-- Workers undertook a major concrete pour on the new Sellwood Bridge Friday, causing a lane closure and backing up traffic during morning and evening commutes.

Work started at 2:00 a.m. Friday as crews began to pour 250 truck loads of concrete for a new bridge support column. The process was expected to take 36 hours, according to Multnomah County.

The outside northbound lane of Highway 43 was closed north and south of the bridge, both southbound lanes remained open.

The outside southbound lane of Highway 43 was also closed at Southwest California Street on Friday due to emergency sewer repair, the county said.

Photos: The Sellwood Project

The footing will support two spans on the west bank of the Willamette River with four lanes of traffic above, according to the county.

The Sellwood Bridge is 87 years old and the new bridge is being constructed directly next to it. The project is expected to be finished in 2015.

More: Time lapse video of the Sellwood Bridge move

Some traffic may be able to detour around the bottleneck using Southwest Terwilliger Boulevard or Southwest Taylor's Ferry Road.


Nina Mehlaff contributed to this report

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