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Interstate 5 (Pacific Highway)


July 4 - 11, 2015*

No work will take place between Friday, July 3 and Sunday, July 5 in observance of the public holiday. 

*Schedules are subject to change due to weather and site conditions.

Interstate 5 - Southwest Capitol Highway to North Lombard Street - Paving and Signs

Project Description: The project will take place on Interstate 5 from Southwest Capitol Highway to North Lombard Street and will include:

    • Sign Replacement: Work is under way to begin replacing many of the green highway signs on I-5 from Southwest Corbett Avenue to North Lombard Street and on both decks of the Fremont Bridge (I-405). Existing signs will be updated to meet federal standards; new signs will feature more reflective materials and a less cluttered design, making them easier to read.
    • Paving: Starting this spring/summer*, about seven miles of I-5 between Southwest 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- and off-ramps will also be repaved and improvements will be made to several bridges.

*Construction is scheduled to be complete by the end of 2015, but work is weather dependent and dates are subject to change.

Traffic Impacts: Expect single and double lane, shoulder and ramp closures for site preparation, sign replacement, new sign installation, and paving preparation. ODOT is partnering with law enforcement for extra presence in the highway construction zone.

    • FULL CLOSURE of I-5 in both directions between the Marquam Bridge and I-84 on Thursday, July 9 from 10 p.m. to 5 a.m. I-5 travelers will be detoured via I-405.  Eastbound I-84 travelers will take I-5 southbound to I-84 eastbound.

    • Shoulder and double lane closures on I-5 southbound and northbound (between mileposts 302 and 306, from North Lombard to the Fremont Bridge) from 8 p.m. to 6 a.m. for sign replacement.

    • Shoulder, ramp and double lane closures on I-405 northbound (at milepost 3.07 on the Fremont Bridge) from 10 p.m. to 5 a.m. for electrical work.​

    • Expect night time work on the northbound on-ramps shoulders at Southwest Capitol Highway, Spring Garden and Terwilliger Boulevard between 6 a.m. and 4 p.m. Monday through Thursday for electrical work. Motorist should expect periodic ramp closures at these locations between 8 p.m. and 5:30 a.m.

​​​​​​​​For more information: www.i5PavingandSigns.org or Project Hotline (503) 731-4663.​ 

Interstate 5 at Southwest Barbur and Southwest 26th - Stormwater Management

Project Description: Environmental Services and the Oregon Department of Transportation are constructing a series of terraced stormwater​ rain gardens and pipes to collect sediments and pollutants before the water enters Tryon Creek. 

T​raffic Impacts: The right lane and shoulder of northbound I-5 will be closed Monday through Friday from 8 p.m. to 5:30 a.m. This schedule is subject to change due to conditions underground, weather, traffic impacts, subcontractor schedules and availability of materials.​

For more information: www.portlandoregon.gov/bes/article/480340​

Interstate 5 at Oregon Highway 99W - Southwest Barbur Boulevard

Project Description: Construction is underway on a seismic retrofit project for five bridges along the Interstate 5 corridor between Portland’s South Waterfront district and the Tualatin River. Retrofitting the state’s older bridges to meet modern seismic specifications will help ensure I-5 would not be immobilized in the event Oregon experiences a powerful earthquake.

Traffic Impacts: Expect periodic nighttime lane closures on the I-5 northbound truck lane at Southwest Barbur Boulevard from 8 p.m. to 5 a.m., as well as the I-5 southbound  left lane (the ramp to Southwest Barbur Boulevard will remain open). There will also be periodic traffic stops on the northbound on-ramp from Southwest Barbur Boulevard to I-5.

Drivers should be aware of construction signage and lane changes since this project will include periodic nighttime lane closures on I-5 from 8 p.m. to 5 a.m. Monday through Friday.​

For more information: www.I5Seismic.org​

Interstate 5 at Southwest Lower Boones Ferry Road

Project Description: Construction is underway on a seismic retrofit project for five bridges along the Interstate 5 corridor between Portland’s South Waterfront district and the Tualatin River. Retrofitting the state’s older bridges to meet modern seismic specifications will help ensure I-5 would not be immobilized in the event Oregon experiences a powerful earthquake.

Traffic Impacts: No lane closures between Friday, July 3 and Sunday, July 5. Expect nighttime lane closures on Lower Boones Ferry Road in both directions Monday to Friday from 8 p.m. to 6 a.m.

For more information: www.I5Seismic.org​

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