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US 101 Siuslaw River Bridge Cathotic Protection Project

Construction Update - Week of Apr 6, 2018

US 101: Siuslaw R Bridge (Florence), Cathodic Protection (MP 190.8-MP191.2)

Project Summary:

  • Make repairs to the existing concrete and reinforcement and replace the cathodic protection system on the Siuslaw River Bridge
  • Add seismic restraints to help maintain the integrity of the bridge in an earthquake
  • Replace existing rail with new ornamental bridge railing, as well as improving pedestrian access to the bridge

Remarks: Travelers should expect up 20 minute delays from single lane closures on the bridge for material transfers, bridge containment work and other roadwork on the approaches to the bridge. Crews are performing concrete patch work, removing and installing containment pieces, working on the northeast bridge rail, sand blasting and zincing on the south side of the bridge, and beginning the sidewalk improvements on the north side of the bridge. Workers will be present most hours of the day, with various shifts scheduled to not interfere with each other for the different parts of the work. The job is to be completed by the end of March 2019.

Shane Prohaska, Project Coordinator (541) 799-5412

Completed: No
Jurisdiction: Oregon Dept. of Transportation (ODOT) Mode: Road

Oregon Department of Transportation is working to save the historic Siuslaw River Bridge through installing a cathodic protection that includes a zinc surface coating to protect the structure from corrosion. We’re also repairing damaged concrete, replacing bridge rails, and constructing sidewalk features at ends of the bridge that will make pedestrian access easier and safer. 

Business Access During Construction? Yes

The project will be complete in spring/summer 2018.

Traffic Impacts:

Travelers should expect up to 20 minute delays from single lane closures in the construction area. 

Work Schedule:

The work schedule varies, but no work is done on weekends to limit impact to travelers.


$14.2 million 

Contact: Steve Templin
Project Notes:

For more information during construction on this and other ODOT projects, please go to or call 5-1-1. Working together to keep you moving