St. Johns Bridge Maintenance is Complete

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Maintenance Project Complete

October 9, 2019

We are pleased to announce the St. Johns Bridge maintenance work is complete and both sidewalks are now open. Thank you to our communities, businesses and all users of the St. Johns Bridge for your patience during this project.

About This Project

The work improved the strength of the bridge by adding 5,000 steel bolts to 60 locations on the framework under the bridge. This work was needed to keep up with changing vehicle weights and meet current design standards. By adding more steel reinforcements, long-term bridge stability is improved, and the bridge is more capable of carrying increased traffic.

This work will maintain long-term safety by ensuring the bridge can continue serving thousands of travelers a day. 

Work started in late August and was expected to last 60 days. Maintanence crews made great progress and completed the work in 42 days. 

Historical photograph of St. Johns Bridge construction in the 1930s.

Lunchtime on the cables of the St. Johns Bridge during construction in 1931.

About the St. Johns Bridge

This bridge was originally designed by the famous suspension bridge engineer D.B. Steinman and is still a beautiful marvel of engineering even by today’s standards. At the time of the bridge's completion in 1931, the bridge had the highest clearance in the nation, the longest prefabricated steel cable rope strands, the tallest steel frame piers of reinforced concrete, the first application of aviation clearance lights to the towers, and was the longest suspension span west of Detroit. 

For more information, go to

For ADA Title II or Civil Rights Title VI accommodations, translation/interpretation services or for additional information call 503-731-4128, TTY (800) 735-2900 or use the statewide Oregon Relay Service: 7-1-1.

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trip check

For 24/7 road conditions and traffic alerts visit or call 5-1-1.

For questions about this project contact:

Lili Boicourt | 503-731-8247

Ellen Sweeney | 503-731-8230