I-405 Improvement Project construction alert: As of Friday, Dec. 30

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For more information about this project, please contact the 405 Community Outreach Team at [email protected] or 888-400-8994, or visit octa.net/405improvement.

Si prefiere recibir información en español, por favor llame este numero 888-400-8994.

Nếu quý vị muốn nhận được thông tin này bằng tiếng Việt, xin vui lòng liên lạc với cô Lý Gia 888-662-6569.

To view and print a detailed list of closures and detours CLICK HERE!

UPDATE! Northbound (NB) I-405 Closures for SR-73/I-405 Connector Falsework Removal

Northbound (NB) I-405 will close between the NB I-405 off-ramp to South Coast Drive and the NB I-405 on-ramp from Fairview Road to remove falsework from the SR-73/I-405 Express Lanes connector.

The nightly NB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Tuesday, Jan. 3 to Thursday, Jan. 5, and 11 p.m. to 6 a.m. Friday, Jan. 6.

Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.

UPDATE! Northbound (NB) I-405 Closures for Newland Street Bridge Falsework Installation

Northbound (NB) I-405 will close between the NB I-405 off-ramp to Magnolia Street and the NB I-405 loop on-ramp from Beach Boulevard to install falsework for the Newland Street bridge.

The nightly NB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Tuesday, Jan. 3, and Wednesday, Jan. 4.

Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.

UPDATE! Southbound (SB) I-405 Closures Newland Street Bridge Falsework Installation

Southbound (SB) I-405 will close between the SB I-405 off-ramp to Beach Boulevard and the SB I-405 on-ramp from Magnolia Street to install falsework for the Newland Street bridge.

The nightly SB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Wednesday, Jan. 4, if needed, and Thursday, Jan. 5. 

Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.

NEW! Northbound (NB) I-405 Closure for Warner Avenue Bridge Falsework Removal

Northbound (NB) I-405 will close between the NB I-405 off-ramp to Brookhurst Street and the NB I-405 on-ramp from Warner Avenue.

The NB I-405 closure is anticipated as early as 11 p.m. Thursday, Jan. 5, to 5 a.m. Friday, Jan. 6. 

Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup.

This work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.

Este trabajo puede ser ruidoso. El horario está sujeto a cambios debido a las inclemencias del tiempo o problemas operativos imprevistos.

Xin lưu ý là công việc này có thể gây nên những tiếng động ồn ào. Lịch trình có thể thay đổi vì thời tiết xấu hoặc những yếu tố công tác không thể dự đoán.

Construction Activities

Montecito Channel

REMINDER! Crews will continue construction activities as part of the drainage channel widening.

Activities include:

  • Soil backfill, concrete paving, and installing rock and stone along the channel;
  • Final paving of the SB I-405/WB SR-22 connector; and
  • Sound wall reconstruction.

Soil backfill, concrete paving, and rock/stone installation is anticipated to begin in mid 2023.

Final paving of the SB I-405/WB SR-22 connector is ongoing and anticipated to continue through early 2023.

Sound wall reconstruction is anticipated for early 2023.

Crews may access the work zone intermittently along College Park Drive and from the WB SR-22 connector to mobilize equipment as early as 6 a.m., and some activities may occur at night from 9 p.m. to 6 a.m. as needed.

Please be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.

North Gate Road

UPDATE! Crews began removing the sound blankets from the temporary fencing along North Gate Road. 

Next week, crews will begin removing fencing, k-rail, and will begin site maintenance work.

Activities are anticipated to begin as early as Wednesday, Jan. 4, to Friday, Jan. 6, 7 a.m. to 4 p.m. 

This work will require temporary lane reductions on North Gate. Signs and cones will be in place during work hours, and a flagger will be on site to control traffic, as needed.

Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m. to 6 a.m. as needed.

Crews will begin installation of a drainage ditch as well as water meter and electrical services in early to mid-2023. It is anticipated that this work will take place within the existing work zone.

Please be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.

Springdale Street 

REMINDER! Crews will continue reconstructing the sidewalk on the southwest corner of Westminster Boulevard/Springdale Street. Activities include curb, gutter and electrical work.

Pedestrian access will be closed on the southwest corner during construction and a detour will be in place.

Construction activities are anticipated to continue 7 a.m. to 4 p.m. for approximately one more week, on weekdays and Saturdays as needed.

Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m. to 6 a.m. as needed.

Please be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.

McFadden Avenue

REMINDER! Crews are landscaping and installing irrigation on the McFadden Avenue bridge. This work will require intermittent lane reductions, between Gothard Street and Sugar Drive, for approximately five more months.

Activities are anticipated to continue 9 a.m. to 3:30 p.m.,on weekdays.

Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m. to 6 a.m. as needed.

Please be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.

Beach Boulevard

REMINDER! Crews are installing the permanent traffic signals at the Beach Boulevard and Edinger Avenue intersection. Activities include electrical work, installing traffic signals, as well as removing and restoring asphalt and concrete.

Construction activities are anticipated to continue, 7 a.m. to 4 p.m. for approximately one more week, on weekdays and Saturdays as needed.

This work will require extended outside lane closures on eastbound Edinger at Beach, as well as on NB Beach at Edinger. The closures will be in place for the full duration.

Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m. to 6 a.m. as needed.

Please be advised that this work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.

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.