Multnomah County has begun a process to construct a new Sauvie Island bridge. The existing bridge to the island was built in 1950 and is at the end of its service life.
The Burnside Bridge is an example of a Strauss-type bascule bridge.
Vertical lift bridges use a system of counterweights and cables to move an interior lift span section that remains horizontal as it is raised up & down like an elevator.
We are bridge operators, maintenance workers and engineers who manage and maintain six Willamette River Bridges and 22 smaller bridges elsewhere in the county.
Bascule bridges have sections called "leaves" that rotate upward and away from the centerline of the river, providing clear passage for river traffic.
The Town of Sellwood and the Spokane Street Ferry
Summary of current traffic lane, sidewalk, and bike lane closures on Multnomah County bridges
In 1922, community leaders in Sellwood organized to pursue the construction of a bridge to replace the aging Sellwood ferry.
Field work has been completed on the Broadway Bridge repainting project that began in June 2015.
After more than a century of use, the eight-foot diameter steel wheels that help open and close the Broadway Bridge were replaced.
The county’s Purchasing office worked with the Sellwood Bridge project’s contractors to build a broad approach to diversity into every contract and labor aspect of the project.
Bridge construction impacted traffic on the bridge and the streets that run beneath it from 2017-2019.
The Burnside Bridge maintenance project impacted river traffic that passes under the bridge from 2017 - 2019.
The County is considering a number of performance attributes that are important to bridge functionality and community livability.
Cochran Road Over Beaver Creek
County crews repaired cracked crossbeams on two columns that support the east approach to the Hawthorne Bridge in 2015 -2016.
The $6,437,000 effort to build the Burnside, Ross Island, and Sellwood Bridges was described by The Oregonian as one of the most costly and extensive bridge construction programs in the United States.
Contact information for Multnomah County's Bridge Division, a division of the Department of Community Services.
Multnomah County used a detour bridge in order to save time and money during the construction of the new Sellwood Bridge.
This page contains answers to questions we often heard about the Sellwood Bridge Project.
In the aftermath of the political scandal, the new board of commissioners canceled its existing contracts and hired 78 year-old Gustav Lindenthal of New York.
Learn how to arrange a Morrison Bridge light display with the Willamette Light Brigade when a new lighting system is introduced in spring 2021.
Maintenance work performed by Multnomah County on county bridges over the Willamette River.
A new lift span deck was installed on the Morrison Bridge in 2017.