About the Project

The Oregon Department of Transportation is starting work on Interstate 5 from SW Capitol Highway to N. Lombard Street. The work consists of two components:

  • Sign Replacement: Beginning March 2015, many of the green highway signs on I-5 from SW Corbett Avenue to N. Lombard Street and on both decks of the Fremont Bridge (I-405) will be replaced. Existing signs will be updated to meet Federal Highway standards. The new signs will feature more reflective materials and less cluttered design, making them easier to read. This work will continue on the Fremont and Marquam Bridges through February 2016.
  • Paving: In spring 2015, approximately seven miles of roadway on I-5 between SW Capitol Highway and the Marquam Bridge will be repaved. The pavement, last replaced in 2004, is deteriorating and needs to be repaired. Transitions to on-ramps and off-ramps will also be paved and improvements will be made to several bridges. Paving is done for the season, however some deck seal work on the Marquam Bridge is scheduled to begin in May 2016.

All Lanes and Ramps Open During The Day

To reduce impacts to motorists, all lanes and ramps on I-5 will remain open during the day and construction will take place at night. Work will occur between 8 p.m. and 6 a.m. on weekdays and between 8 p.m. and 9 a.m. on the weekends. Daytime shoulder closures on I-5 may occur.

Nighttime Closure Information

  • Signage work will require multiple full closures of I-5 on the east side of the river, as well as full closures of the Marquam Bridge (I-5) and Fremont Bridge (I-405).
  • When I-5 is closed, traffic will detour to I-405. When I-405 is closed, traffic will detour to I-5.
  • The entire project area, including south of the Marquam Bridge, will have lane and ramp closures to accommodate the signage and paving work. Some exits will have temporary overnight closures.

Detours

When I-5 is closed, traffic will detour to I-405. When I-405 (on the Fremont Bridge) is closed, traffic will detour to I-5.

More detailed detour information will be posted to the interactive map as it becomes available.

Project Overview


Related Information


News

Construction Update (09/30/2016)

Paving and sign work on Interstate 5 from SW Capitol Highway to N Lombard Street included replacing…

Construction Update (09/23/2016)

Paving and sign work on Interstate 5 from SW Capitol Highway to N Lombard Street included replacing…

Construction Update (09/16/2016)

Paving and sign work on Interstate 5 from SW Capitol Highway to N Lombard Street included replacing…


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