featured graphic for I-405 Improvement Project after COVID-19. Logo courtesy of OCTA.

I-405 Improvement Project construction alert: Week of Monday, November 21, 2022

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!

COMING SOON! 12-Hour Closures on Southbound (SB) I-405 to Pour Concrete for New I-405/SR-73 Express Lanes Connector

Crews will close SB I-405 in Costa Mesa, over two weekends, to pour concrete for the new I-405/SR-73 Express Lanes Connector.

The closures are currently anticipated as early as 9 p.m. to 9 a.m. Friday, Dec. 2, and Friday, Dec. 9.

Northbound I-405 and the Fairview Road bridge will remain open.

The 405 Community Outreach Team will provide updates in future alerts.

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

NEW! Northbound (NB) I-405 Closures to Remove Falsework from the I-405/SR-73 Express Lanes Connector

Northbound (NB) I-405 will close between the NB I-405 off-ramp to South Coast Plaza and the NB I-405 loop on-ramp from Harbor Boulevard to remove falsework from the I-405/SR-73 Express Lanes Connector.

The NB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Monday, Nov. 21, and Tuesday, Nov. 22.

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

UPDATE! Northbound (NB) I-405 Closures to Install Falsework for Springdale Street Bridge 

Northbound (NB) I-405 will close between the NB I-405 off-ramp to Westminster Boulevard and the NB I-405 on-ramp from Bolsa Chica Road to continue to install falsework for the Springdale Street bridge.

The nightly NB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Monday, Nov. 21, and Tuesday, Nov. 22.

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

UPDATE! Southbound (SB) I-405 Closures for Bolsa Avenue Falsework Removal

Southbound (SB) I-405 will close between the SB I-405 off-ramp to Goldenwest Street and the SB I-405 on-ramp from Bolsa Avenue to continue to remove falsework from the Bolsa bridge.

The nightly SB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Monday, Nov. 21, and Tuesday, Nov. 22.

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 are relocating several utilities to continue widening the drainage channel adjacent to homes in the College Park West community.

Utility line relocation is ongoing, 7 a.m. to 4 p.m. on weekdays.

Block wall installation is anticipated to begin later this winter.

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.

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 month, on weekdays and Saturdays as needed, excluding the Thanksgiving holiday.

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 six 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 corners of the Beach Boulevard/Edinger Avenue intersection. Activities include electrical work, installing poles and the mast arms as well as removing and restoring asphalt and concrete.

Construction activities are anticipated to continue, 7 a.m. to 4 p.m. for approximately five more weeks, on weekdays and Saturdays as needed. Activities will be suspended on Thanksgiving Day.

This work will require extended outside lane closures on eastbound Edinger at Beach Boulevard, 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.

Talbert Avenue

COMING SOON! Crews will pave Talbert Avenue, between Mt. Coulter Street and KonigsMark Street.

This work will require westbound Talbert to be reduced to one lane between Brookhurst Street and KonigsMark.

The 405 Community Outreach Team will provide updates in future alerts.

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.

This article was released by the Orange County Transportation Authority.

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