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888-662-6569.
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To view and print a detailed list of closures and detours CLICK HERE!
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COMING SOON! Westminster Boulevard
Traffic Shift
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Crews will shift traffic to one side of the Westminster bridge over I-405 to begin the second phase of demolition and reconstruction. The traffic shift is anticipated for early-to-mid January and will require bridge and ramp closures. Partial demolition of the old portion of the bridge will occur over two weekends under full freeway closures and is anticipated for late February.
The 405 Community Outreach Team will provide detailed closure, detour and schedule information in future alerts.
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
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NEW! Full Closure of Magnolia Street
for Concrete Work
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Crews will pour concrete for the Magnolia bridge over I-405. This work will also require a full closure of the Magnolia bridge between Recreational Circle and Heil Avenue.
The closure is set for 10 p.m., Tuesday, Dec. 22, to 5 a.m., Wednesday,
Dec. 23.
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
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RESCHEDULED! Full Closure of Harbor Boulevard for Construction Activities
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Crews rescheduled the concrete pours for the I-405 bridge over Harbor. This work will require a full closures of Harbor between the I-405 ramps.
The closures are now set for 10 p.m. to 5 a.m., Monday, Dec. 21, and again Tuesday, Dec. 22.
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
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REMINDER! Full Brookhurst Street Closures for Shoring Installation
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Crews will install shoring to support construction activities for the Brookhurst bridge over I-405. This work will require nightly closures of the Brookhurst bridge between Talbert Avenue and Slater Avenue.
Nightly Brookhurst closures are set for 10 p.m. to 5 a.m., Wednesday,
Dec. 16, to Friday, Dec. 18.
The detours are:
- Ellis Avenue → Ward Street → Slater
- Talbert → Bushard Street → Warner Avenue
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
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COMING SOON! SB I-405 On-Ramp from Westminster Boulevard to Close for Approximately One Month
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Crews will close the SB I-405 on-ramp from Westminster for approximately one month in early January to accommodate the freeway widening.
Activities include demolition, excavation, grading, drainage and electrical system installation, concrete pours and asphalt paving.
The 405 Community Outreach Team will provide detailed detour and schedule information in future alerts.
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COMING SOON! Northbound (NB) I-405 On-Ramp from South Coast Drive/Hyland Avenue to Close for Approximately Two Months
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Crews will close the NB I-405 on-ramp from South Coast/Hyland for approximately two months in early January to accommodate the freeway widening.
Activities include demolition, excavation, grading, drainage and electrical system installation, concrete pours and asphalt paving.
The 405 Community Outreach Team will provide detailed detour and schedule information in future alerts.
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COMING SOON! Full Euclid Street Closure for Bridge Work
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Crews will close Euclid between Condor Avenue/Mt. Washington Street and the southbound freeway ramps to accommodate the freeway widening. Euclid is anticipated to close for one night on Monday, Dec. 21.
The 405 Community Outreach Team will continue to provide detailed detour and schedule information in future alerts.
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REMINDER! Northbound (NB) Beach Boulevard Lane Reductions
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Crews are performing utility work on Beach Boulevard. This work requires daytime and nighttime lane reductions on NB Beach between McFadden and Edinger and nighttime closures of the NB I-405 off-ramp to Beach through mid-December.
Daytime lane reductions are set to continue 9 a.m. to 3 p.m.
Nighttime lane reductions are set to continue for as early as 7:30 p.m. to as late as 8 a.m.
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REMINDER! Nightly Southbound (SB) I-405 Freeway Closures for Bridge Work
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Nightly SB I-405 closures are scheduled so crews can conduct construction activities for the Brookhurst Street bridges. Activities will include equipment mobilization, pile installation, shoring installation, falsework installation and grading, and column demolition for the old half of the Brookhurst bridge.
SB I-405 will be closed between Magnolia and Brookhurst.
The nightly closures are set to continue
11 p.m. to 5 a.m. on weeknights for approximately three weeks, as needed.
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REMINDER! Nightly Consecutive Ramp Closures Scheduled for Approximately Six Months
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Crews are scheduled to close the following ramps, as needed, for six months to support bridge construction activities at Magnolia Street and Brookhurst Street:
- Southbound (SB) I-405 Loop On-Ramp from Magnolia
- SB I-405 On-Ramp from Warner Avenue
- SB I-405 Loop On-Ramp from Brookhurst
Closure hours are:
- 10 p.m. to 5 a.m. weeknights
- 10 p.m. to 7 a.m. weekends
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REMINDER! SB I-405 Off-Ramp to Euclid Street Closed for Approximately One Month
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Crews closed the SB I-405 off-ramp to Euclid Street on Nov. 30, 2020 and it will remain closed for approximately one month to accommodate the freeway widening.
Activities include demolition, excavation, grading, drainage and electrical system installation, concrete pours and asphalt paving.
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REMINDER! Southbound (SB) I-405 Off-Ramp to Bolsa Chica Road Closed for Approximately One Year
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Crews will continue the closure of the SB
I-405 off-ramp to Bolsa Chica Road for approximately one year to advance construction on the Bolsa Chica bridge.
Activities include demolition, excavation, grading, drainage and electrical system installation, concrete pours and asphalt paving.
The extended closure began on Thursday, Dec. 3, 2020. The ramp is scheduled to reopen after approximately one year.
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The duration of this work may change depending on site conditions. Please be advised that this work may be loud. Dates and times are subject to change due to unforeseen operational factors or inclement weather.
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UPDATE! Crews are scheduled to pour concrete for the retaining wall along southbound (SB) I-405, behind homes on New Hampshire Drive, Nevada Avenue, Rhode Island Circle, Maryland Circle, and Wyoming Circle. Additional activities include backfill, grading, and rebar and pile installation for approximately two months.
- Concrete activities are set to continue 9 p.m. to 6 a.m., Thursday, Dec. 17, and Wednesday, Dec. 23., and again on Wednesday, Dec. 30.
- Block wall installation is anticipated to begin in early 2021. Work hours are scheduled for 7 a.m. to 4 p.m.
- Pile installation activities are ongoing 7 a.m. to 4 p.m. on weekdays, for approximately two weeks.
Crews may mobilize equipment as early as 6 a.m. and some activity may occur at night from 9 p.m. to 6 a.m. as needed.
Activities for the wall will continue through 2021.
Activities will be suspended Christmas Day and New Year's Day.
Please be advised that this work may be loud.
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REMINDER! Crews will continue installing piles for the foundation of the Brookhurst bridge over I-405, adjacent to Brookhurst. Approximately 130 piles will be used.
- Ongoing 7 a.m. to 4 p.m. on weekdays and Saturdays, for approximately one month.
Crews may mobilize equipment as early as 6 a.m. and some activities may occur at night.
Activities will be suspended Christmas Day and New Year's Day.
Please be advised that this work may be loud.
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REMINDER! Crews will continue installing piles along northbound and southbound I-405 for the foundation of the new Edinger Avenue bridge. Approximately 150 piles will be used.
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Ongoing 7 a.m. to 4 p.m. on weekdays and Saturdays, for approximately two weeks.
Crews may mobilize equipment as early as 6 a.m. and some activities may occur at night.
Activities will be suspended Christmas Day and New Year's Day.
Please be advised that this work may be loud.
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REMINDER! Crews will continue working on the foundation of the wall along southbound (SB) I-405, behind homes on Vermont Street. The foundation consists of approximately 180 cast-in-drilled-hole (CIDH) piles. This activity includes augering large holes, and installing rebar cages and pouring concrete into the holes to form the piles.
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Ongoing 7 a.m. to 4 p.m. on weekdays and Saturdays, for approximately one month.
Crews may mobilize equipment as early as 6 a.m. and some activities may occur at night.
Activities will be suspended Christmas Day and New Year's Day.
Please be advised that this work may be loud.
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COMING SOON! Crews will begin installing piles for the foundation of the center columns for the Bolsa Chica bridge over I-405, in the center median, west of the Bolsa Chica bridge.
The 405 Community Outreach Team will provide detailed schedule information in future alerts.
Please be advised that this work may be loud.
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Check out our new and improved website!
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Finding the latest information on construction activities is now easier than ever! Check out our new and improved website! octa.net/405improvement
#405Improvement
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