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

I-405 Improvement Project construction alert: Week of Monday, November 28, 2022

For more information about this project, please contact the 405 Community Outreach Team at 405project@octa.net 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! 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 SB I-405 and SR-73 on-ramps from Fairview Road will also be closed.

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

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

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

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

Southbound (SB) I-405 will close between the SB I-405 off-ramp to Fairview Road and the SB I-405 on-ramp from Bristol Street to remove falsework from the I-405/SR-73 Express Lanes Connector.

The SB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Monday, Nov. 28, and Tuesday, Nov. 29.

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. 28, and Tuesday, Nov. 29.

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

UPDATE! Southbound (SB) I-405 Closures for Bolsa Avenue Bridge 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 remove falsework from the Bolsa bridge.

The SB I-405 closures are anticipated as early as 11 p.m. to 5 a.m.:

  • Monday, Nov. 28;
  • Tuesday, Nov. 29; and
  • Wednesday, Nov. 30.

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

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

Northbound (NB) I-405 will close between the NB I-405 off-ramp to Beach Boulevard and the NB I-405 on-ramp from Goldenwest Street to remove falsework from the Bolsa bridge.

The NB I-405 closure is anticipated as early as 11 p.m. to 5 a.m. Monday, Nov. 28, and Wednesday, Nov. 30.

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

NEW! Bolsa Avenue Bridge Closures 

The Bolsa Avenue bridge will close between Goldenwest Street and Goldenwest Circle to remove the super beam from the bridge.

The nightly bridge closures are anticipated as early as 9 p.m. to 5 a.m.:

  • Monday, Nov. 28;
  • Tuesday, Nov. 29; and
  • Wednesday, Nov. 30.

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

NEW! Westbound (WB) Edinger Avenue Closures for Utility Work

Westbound (WB) Edinger Avenue will close between Newland Avenue and Beach Boulevard for utility work. Access will be maintained for local businesses and residents.

The nightly WB Edinger closures are anticipated as early as 9 p.m. to 5 a.m. Monday, Nov. 28, to Friday, Dec. 2.

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 to remove falsework from the Warner bridge.

The nightly NB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Thursday, Dec. 1, and Friday, Dec. 2.

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

NEW! Southbound (SB) I-405 Closure for Warner Avenue Bridge Falsework Removal

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

The nightly NB I-405 closures are anticipated as early as 11 p.m. to 5 a.m. Thursday, Dec. 1.

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 three 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

UPDATE! 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 lane reductions is anticipated as early as 10 p.m. Friday, Dec. 2, to 5 a.m. Saturday, Dec. 3.

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.