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I-405 Improvement Project construction alert: Week of March 2, 2020

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

Click to see closures and detours on the interactive map.

UPDATE! Full Freeway Closures for Fairview Road Bridge Girder Placement have been CANCELED.

The full freeway and bridge closures planned this weekend at Fairview Road have been canceled.

The 405 Community Outreach Team will provide detailed schedule, closure and detour information when the work is rescheduled. For more information, contact the outreach team at [email protected], or call 888-400-8994.

NEW! Southbound (SB) Harbor Boulevard closure to place k-rail and restripe lanes

Crews will adjust k-rail and restripe lanes to support the next stage of work at Harbor.

SB Harbor will be completely closed between the freeway ramps.

The SB closure is set for 10 p.m. Sunday, March 8, to 1:30 a.m. Monday, March 9*

*One lane on NB Harbor will be closed.

NEW! Northbound (NB) Harbor Boulevard closure to place k-rail and restripe lanes

Crews will adjust k-rail and restripe lanes to support the next stage of work at Harbor.

NB Harbor will be completely closed between the freeway ramps.

The NB closure is set for 2 to 5 a.m. Monday, March 9*

*One lane on SB Harbor will be closed.

UPDATE! Northbound (NB) Full Freeway Closures for McFadden Avenue bridge falsework construction

Crews will continue constructing falsework for the McFadden bridge over I-405 in Westminster.

This work will require full NB ramp, lane and freeway closures of I-405 between Bolsa Avenue and Beach Boulevard

Nightly closures are ongoing 11 p.m. to 5 a.m. through Friday, March 6, and again on Monday, March 9. Full SB closures are set to begin Tuesday, March 10.

UPDATE! The Bolsa Avenue bridge over I-405 to be completely closed nightly

Crews are currently working on the Bolsa Avenue bridge over I-405 in Westminster.

This will require nightly closures of Bolsa between Chestnut Street and Goldenwest Street.

Nightly closures are ongoing 10 p.m. to 5 a.m. on weeknights, through approximately March 6.

REMINDER! NB I-405 off-ramp to Magnolia Street closed for approximately one month

Crews completely closed the NB I-405 off-ramp to Magnolia Street for approximately one month. The ramp is being rebuilt as part of the freeway widening project.

The ramp is scheduled to reopen March 24.

REMINDER! NB I-405 on-ramp from Magnolia Street closed for approximately one month

Crews completely closed the NB I-405 on-ramp from Magnolia Street for approximately one month. The ramp is being rebuilt as part of the freeway widening project.

The ramp is scheduled to reopen March 24.

Construction Activities

Fairview

Crews are backfilling the abutments of the new portion of the Fairview bridge.

  • Ongoing, 10 p.m. to 5 a.m., on weeknights

Talbert

Crews will demolish the center bent to continue construction of the new Talbert Avenue bridge.

  • 10 p.m. to 5 a.m. Tuesday, March 10, to Monday, March 16, on weeknights

Goldenwest

The Goldenwest bridge will be reduced to one lane in each direction between Bolsa Avenue and Sowell Avenue for underground utility work.

  • 10 p.m. to 5 a.m. Monday, March 9, to Friday, March 20, on weeknights

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.