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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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UPDATE! Bolsa Avenue Full Closure for
Concrete Work
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Crews will continue concrete work for a retaining wall along eastbound (EB) Bolsa Avenue. This work requires full closures of Bolsa between Goldenwest Street and Chestnut Street.
- Nightly closures are set to continue as early as Tuesday, Jan. 19, 9 p.m. to 5 a.m., on weeknights, for approximately two weeks.
Additionally, crews will pour concrete for the Bolsa bridge over the I-405. This work will require a full 12-hour closure of Bolsa between Goldenwest Street and Chestnut Street.
- The closure is set for as early as 7 p.m. Monday, Jan. 25, to 7 a.m. Tuesday, Jan. 26.
A detour will be in place for pedestrians and bicyclists to navigate around the closure.
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
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UPDATE! Full Northbound (NB) and Southbound (SB) Harbor Boulevard Closure for Concrete Work
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Crews will pour concrete for the widened I-405 bridge over Harbor. This work will require a full closure of Harbor between the I-405 ramps.
The closure is set to begin as early as Wednesday, Jan. 20, from 10 p.m. to 6 a.m., Thursday, Jan. 21.
*The SB I-405 on-ramp from Harbor will be reopened for this work.
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
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REMINDER! Westminster Boulevard
Traffic Shift
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Crews will shift traffic to the new Westminster bridge over I-405. The shift will occur in three phases and will require lane reductions.
Phase 1
Eastbound traffic was shifted onto the new bridge on Tuesday, Jan. 12.
Phase 2
Crews began construction on the center median, Tuesday, Jan. 12. Work hours are 7 a.m. to 4 p.m., on weekdays and Saturdays for approximately two weeks.
Phase 3
Westminster will be reduced to one lane in each direction between Springdale Street and Willow Lane from 9:30 p.m. Monday, Jan. 25, to 6 a.m. Tuesday, Jan. 26. Westbound traffic will be shifted onto the new bridge at 6 a.m. Tuesday, Jan. 26.
Crews may mobilize equipment as early as 6 a.m., and some activity may occur at night.
Please be advised that this work may be loud. Dates and times may change due to unforeseen operational factors or inclement weather.
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup. |
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COMING SOON! Fairview Road Traffic Shift
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Crews will soon shift traffic to the new half of the Fairview bridge over I-405 and begin working on the second half of that bridge. The traffic shift is set for early-to-mid February and will require bridge and ramp closures.
Demolition of the second half of the bridge will occur over two weekends, under full freeway closures and is set for late February.
The 405 Community Outreach Team will provide detailed schedule, closure, detour information in future alerts.
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
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UPDATE! Full Southbound (SB) and Northbound (NB) Freeway Closures for Talbert Falsework Removal
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Crews are scheduled to remove the falsework at the Talbert bridge over I-405. This work will require SB and NB full directional freeway closures between Brookhurst Street and Euclid Street.
NB nightly full freeway closures are set to continue 10 p.m. to 5:30 a.m.:
- Tonight, Wednesday, Jan. 13
- Thursday, Jan. 14
- Monday, Jan. 25 through Friday, Jan. 29*
SB nightly full freeway closures are set for 10 p.m. to 5:30 a.m.:
- Monday, Jan. 18 through Friday, Jan. 22
- Monday, Jan. 25 *
- Tuesday, Jan. 26*
*Only one direction is planned to be closed. If SB work has not been completed, it will be closed. Otherwise, northbound (NB) will be closed.
Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.
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NEW! Northbound (NB) and Southbound (SB) I-405 Freeway Lane Reductions for Pile Installation
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Crews will close the inside lanes on the SB and NB I-405 between Beach Boulevard and Newland Street for approximately one month to advance pile installation activities for the Edinger Avenue bridge.
Daily daytime freeway lane closures are set to begin as early as 6 a.m. to 12 p.m., Jan. 18 for approximately one month, as needed.
Please be advised that this work may be loud. Dates and times may change due to unforeseen operational factors or inclement weather.
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UPDATE! Euclid Street
Full Closure
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Crews will close Euclid Street between Newhope Street and Mount Washington Circle to perform excavation work on the sidewalk.
The detour is:
- Euclid → Talbert Avenue → Mount Washington
In addition, crews will close the northbound (NB) Euclid sidewalk between Mount Washington and Newhope, for approximately three to five months.
Pedestrians and bicyclist can use southbound Euclid as a detour.
The full Euclid closure is set to begin as early as 10 p.m. Tuesday, Jan. 19, to 5 a.m. Wednesday, Jan. 20.
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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 to continue for Brookhurst Street bridge construction. Activities 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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Nightly closures of the following ramps will be scheduled as needed for six months to support bridge construction activities at Magnolia and Brookhurst:
- 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! Southbound (SB) I-405 On-Ramp from Harbor Boulevard Closed for Approximately One Month
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Crews closed the southbound (SB) I-405
on-ramp from Harbor Boulevard on Jan. 4, 2021 for approximately one month to advance construction for the SB I-405 to SB SR-73 connector.
Additionally, crews closed two outside lanes on the SB I-405 to SB SR-73 connector to perform permanent pavement construction.
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REMINDER! Southbound (SB) I-405 On-Ramp from Westminster Boulevard Closed for Approximately One Month
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Crews closed the SB I-405 on-ramp from Westminster Boulevard on Jan. 5, 2021 for approximately one month to accommodate the freeway widening.
Activities include demolition, excavation, grading, drainage and electrical system installation, concrete pours and paving.
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REMINDER! Northbound (NB) I-405 On-Ramp from South Coast Drive/Hyland Avenue to Close for Approximately Two Months
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Crews closed the NB I-405 on-ramp from South Coast Drive/ Hyland Avenue on
Jan. 11, 2021 for approximately two months to accommodate the freeway widening.
Activities include demolition, excavation, grading, drainage and electrical system installation, concrete pours and 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 closed the SB I-405 off-ramp to Bolsa Chica Road on Dec. 3, 2020 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.
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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 northbound (NB) Fairview Road, south of the on-ramp to SB I-405 and SB SR-73. This work will also require NB Fairview lane reductions.
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Concrete activities and lane reductions are set for as early as 10 p.m. to 5 a.m., Thursday, Jan. 21, and Thursday, Jan.28.
Please be advised that this work may be loud
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UPDATE! Crews are scheduled to pour concrete for the retaining wall along southbound (SB) I-405, between the Santa Ana River and Harbor Boulevard. Additional activities include backfill, grading, block wall installation, removing fencing and sound blankets for approximately one month.
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Concrete activities are set for 9 p.m. to 6 a.m., Saturday, Jan. 16, and Thursday, Jan. 21.
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Block wall installation is anticipated to begin late-January. Work hours are scheduled for 7 a.m. to 4 p.m.
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.
Please be advised that this work may be loud.
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NEW! Crews will continue construction of the Talbert Avenue bridge over the I-405. This work will require intermittent lane reductions on the intersection of Talbert and Ward Avenue and Talbert and Brookhurst Street. Ongoing construction activities include ramp, curb, sidewalk, waterline and drainage system construction. In addition, crews will remove the center median on Talbert between Cashew Street and I-405.
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Activities are set to begin as early as Thursday, Jan. 14, 7 a.m. to 4 p.m. on weekdays for approximately one month.
Crews may mobilize equipment as early as 6 a.m. and some activities may occur at night.
Pedestrian and bicyclists access are planned to remain open during these activities.
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 two months.
Crews may mobilize equipment as early as 6 a.m. and some activities may occur at night.
Please be advised that this work may be loud.
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NEW! Crews will begin installing piles for the foundation of the Heil Avenue pedestrian bridge over I-405.
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Activities are set to begin as early as Monday, Jan. 18, 7 a.m. to 4 p.m. on weekdays for approximately one month.
Crews may mobilize equipment as early as 6 a.m. and some activities may occur at night.
Please be advised that this work may be loud.
REMINDER! Crews continue construction activities for the Heil pedestrian bridge over I-405. Activities include excavation, shoring, and pile driving to continue forming the foundation of the bridge.
Following this work, crews will begin forming the footings and columns, as well as construct the falsework to form the spans over the freeway.
This work requires an extended closure of Heil between Ross Lane and Landau Lane.
The closure began on Wednesday, Dec. 30, and is expected to continue for approximately seven months.
Residential access will be maintained at all times.
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REMINDER! A section of Sugar Drive between Cascade Lane and Rushmoor Lane is being closed daily so crews can perform utility work.
Daily closures are set to continue 8 a.m. to 4:30 p.m., for approximately one month.
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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 for approximately one month.
Crews may mobilize equipment as early as 6 a.m. and some activities may occur at night.
Please be advised that this work may be loud.
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REMINDER! Crews will continue installing falsework along northbound (NB) I-405 adjacent to the railroad for approximately one month to accommodate the freeway widening.
Activities include installation of steel and wooden falsework and mobilization of equipment.
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Ongoing 7 a.m. to 4 p.m. on weekdays, for approximately one month.
Crews may mobilize equipment as early as 6 a.m. and some activities may occur at night.
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, south of Bolsa Ave. 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 two months.
Crews may mobilize equipment as early as 6 a.m. and some activities may occur at night.
Please be advised that this work may be loud.
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REMINDER! Crews will continue installing piles for the foundation of Goldenwest bridge over I-405 along northbound and southbound I-405, adjacent to Goldenwest.
- Ongoing 7 a.m. to 4 p.m. on weekdays, for approximately two months.
Crews may mobilize equipment as early as 6 a.m. and some activities may occur at night.
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! |
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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