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I-405 Improvement Project construction alert: Week of June 3, 2019

 

What
Partial demolition of the Westminster Boulevard bridge. Crews will demolish a portion of the bridge over northbound (NB) and southbound (SB) I-405.
Where
The Westminster Boulevard bridge over NB and SB I-405. The freeway will be closed between Westminster Boulevard and Springdale Street.
Additional Closures
  • Westminster Bouelvard, between Willow Lane and Springdale Street
  • NB I-405 loop on-ramp from NB Goldenwest Street
  • NB I-405 loop off-ramp to WB Westminster Boulevard
  • NB I-405 on-ramp from Westminster Boulevard
  • SB I-405 loop on-ramp from SB Bolsa Chica Road
  • SB I-405 loop off-ramp to EB Westminster Boulevard
Detours will be in place, and signs will be posted to guide motorists around the closures. Motorists should expect delays and use alternate routes if possible.

When
As early as tonight, Friday, May 31: 10 p.m. to 8 a.m. NB I-405 will be fully closed between 
Westminster Boulevard and Springdale Street. The HOV and left two lanes will be closed on 
SB I-405.

 

As early as Saturday, June 1: 10 p.m. to 8:30 a.m. NB and SB I-405 will be fully closed between Springdale Street and Westminster Boulevard.
Detours
NB I-405 Detour: 
  • Detour No. 1: Exit Bolsa Avenue loop off-ramp → WB Bolsa Avenue → NB Goldenwest Street → WB SR-22 on-ramp → NB I-405 Connector
  • Detour No. 2: Exit Westminster Boulevard east off-ramp → EB Westminster Boulevard →  NB Edwards Street→ WB Garden Grove Boulevard → NB Valley View Street → NB I-405 on-ramp
 
NB I-405 loop on-ramp from NB Goldenwest Street Detour:
NB Goldenwest Street → WB SR-22 on-ramp → NB I-405 connector

NB I-405 loop off-ramp to WB Westminster Boulevard Detour:
Exit Bolsa Avenue off-ramp → WB Bolsa Avenue → NB Springdale Street → Westminster Boulevard

NB I-405 on-ramp from Westminster Boulevard Detour:
NB Goldenwest Street → WB SR-22 on-ramp → NB I-405 connector

SB I-405 Detours:
  • Detour No. 1: Exit Springdale Street off-ramp → SB Springdale Street → EB Westminster Boulevard → SB I-405 on-ramp
  • Detour No. 2: Exit Bolsa Chica Road off-ramp → SB Bolsa Chica Road → EB Westminster Boulevard → SB I-405 on-ramp
 
SB I-405 loop on-ramp from SB Bolsa Chica Road Detour:
SB Bolsa Chica Road → EB Westminster Boulevard → SB I-405 on-ramp

SB I-405 loop off-ramp to EB Westminster Boulevard Detour:
Exit EB SR-22 Off-ramp → Exit Garden Grove Boulevard off-ramp → EB Garden Grove Boulevard →  SB Edwards Street → EB Westminster Boulevard

 
 








What
Crews will continue to demolish portions of the Santa Ana River bridge structure within the river channel.
Where
In the Santa Ana River channel.

 

 
When
As early as Monday, June 3, 6:30 a.m. to 4 p.m. for approximately one week, on weeknights
 
 
 

What
Partial demolition of the Bolsa Avenue bridge. Crews are scheduled to demolish a portion of the bridge over northbound (NB) and southbound (SB) I-405.
Where

The Bolsa Avenue bridge over NB and SB I-405. The freeway will be closed in both directions.

Closures:

  • Bolsa Avenue will be closed between Chestnut Street and Goldenwest Street
  • NB I-405 closed from Beach Boulevard to McFadden Avenue
  • NB I-405 loop on-ramp from NB Beach Bouelvard 
  • NB I-405 on-ramp from SB Beach Boulevard
  • NB I-405 on-ramp from Beach Boulevard CD Road
  • NB I-405 loop off-ramp from WB Bolsa Avenue
  • SB I-405 closed from Goldenwest Street to Bolsa Avenue
  • SB I-405 loop on-ramp from SB Goldenwest Street/ Westminster Mall Road
  • SB I-405 loop off-ramp to EB Bolsa Avenue
  • SB I-405 on-ramp from Bolsa Avenue

Detours will be in place, and signs will be posted to guide motorists around the closures. Motorists should expect delays and use alternate routes if possible.

When
As early as Saturday, June 8: 11 p.m. to 8 a.m.
Detours
Bolsa Avenue Detours:
  • Eastbound Bolsa Detour: Bolsa Avenue → Goldenwest Street → Hazard Avenue → Hoover Street or Beach Boulevard → Bolsa Avenue
  • Westbound Bolsa Detour: Bolsa Avenue → Beach Boulevard → Hazard Avenue → Goldenwest Street → Bolsa Avenue

 

NB I-405 Detour:
  • Detour No. 1: Exit Beach Boulevard south off-ramp → SB Beach Boulevard → WB Edinger Avenue → NB Goldenwest Street → NB I-405 on-ramp
  • Detour No. 2: NB Beach Boulevard north off-ramp → NB Beach Boulevard → WB Westminster Boulevard → NB I-405 on-ramp

 

NB I-405 loop on-ramp from NB Beach Boulevard Detour:
WB Edinger Avenue → NB Goldenwest Street → NB I-405 loop on-ramp

NB I-405 on-ramp from SB Beach Boulevard Detour:
SB Beach Boulevard → WB Edinger Avenue → NB Goldenwest Street → NB I-405 on-ramp

NB I-405 on-ramp from Beach Boulevard CD road Detour:
SB Beach Boulevard → WB Edinger Avenue → NB Goldenwest Street → NB I-405 on-ramp

 

NB I-405 loop off-ramp to WB Bolsa Avenue Detour:
NB Beach Boulevard off-ramp → NB Beach Boulevard → WB Hazard Avenue → 
SB Goldenwest Street → WB Bolsa Avenue

SB I-405 Detour:
  • Detour No. 1: Goldenwest Street off-ramp→ EB Westminster Mall Road → SB Goldenwest Street → EB Edinger Avenue → SB I-405 on-ramp
  • Detour No. 2: Springdale Street off-ramp → SB Springdale Street → EB Edinger Avenue → SB I-405 on-ramp

 

SB I-405 loop on-ramp from SB Goldenwest Street/Westminster Mall Road Detour:
SB Goldenwest Street → EB Edinger Avenue → SB I-405 on-ramp

SB I-405 loop off-ramp to EB Bolsa Avenue Detour:
Westminster Mall Road off-ramp → EB Westminster Mall Road → NB Goldenwest Street → EB Hazard Avenue → SB Hoover Street → EB Bolsa Avenue

SB I-405 on-ramp from EB Bolsa Avenue Detour:
SB Goldenwest Street → EB Edinger Avenue → SB I-405 on-ramp
 
 


 

What
Falsework construction, which includes installing timber and steel beams to support construction of the new Goldenwest Street bridge.
Where
Adjacent to Goldenwest Street, on the NB side of I-405. NB I-405 will be closed between Bolsa Avenue and Goldenwest Street.
 
Additional Closure
  • NB I-405 loop on-ramp from NB Goldenwest Street
Detours will be in place, and signs will be posted to guide motorists around the closures. Motorists should expect delays and use alternate routes if possible.

When
Ongoing, 11 p.m. to 5 a.m., on weekdays for approximately two weeks: 
NB I-405 will be closed between Bolsa Avenue and Goldenwest Street
 
Detour
NB I-405 Detours:
  • Detour No. 1: Exit Bolsa Avenue → Edwards Street → Westminster Boulevard → NB I-405
  • Detour No. 2: Exit Bolsa Avenue → Springdale Street → Westminster Bouelvard → NB I-405
 
 



 
 

What
Concrete placement for the new McFadden Avenue bridge
Where
SB I-405 at McFadden Avenue
When
As early as 10 p.m. Friday, June 7 to 6 a.m. Saturday, June 8
 
This work may require freeway lane closures, which can only be done at night.
 
Crews will haul out materials using their main haul route:
Beach Boulevard → McFadden Avenue
 
 
 

What
Settlement fill construction
Where
Adjacent to SB I-405 bridge over the Santa Ana River bridge near Moon Park
When
As early as Monday, June 3, 9 p.m. to 6 a.m. on weekdays, for approximately one week
 
 
 
 

What
Ocean View channel widening 
Where
NB I-405, between Warner Avenue and Magnolia Street
When
Ongoing through Friday, June 14,  7 a.m. to 4 p.m. on weekdays, for approximately two weeks. Crews may also work at night.
 
 
 
 

What
Demolition and settlement fill construction
Where
NB and SB I-405, between Ward Avenue and Santa Ana River
When
Ongoing though Friday, June 14, 7 a.m. to 4 p.m. on weekdays, for approximately two weeks. Crews may also work at night.
 
 
 
 

What
Bridge construction activities
Where
NB Bolsa Chica Road will be reduced to one lane intermittently between Duncannon Avenue and Garden Grove Boulevard.
When
Ongoing, 9 a.m. to 3 p.m., on weekdays
 
 
 
 

What
Bridge construction activities
Where
NB Magnolia Street will be reduced to one lane intermittently between the Boomers driveway and Heil Avenue.
When
Ongoing, 9 a.m. to 3 p.m., on weekdays
 
 
 

What
Daytime pile and steel plate installation for temporary shoring
Where
SB I-405, between Edinger Avenue and Newland Street; adjacent to the parking garage structure at Huntington Creek Apartments.
When
Ongoing as of Wednesday, May 29, 6:30 a.m. to 4 p.m. for approximately two weeks on weekdays. 
 
Crews may conduct pile installation activities at night.
 
 
 

What
Daytime pile installation activities
Where
Adjacent to the Santa Ana River, on the NB and SB sides of I-405
When
As early as Monday, June 3, 7 a.m. to 4 p.m., on weekdays, for approximately three weeks
 
Crews may conduct pile installation activities at night.
 
 
 

What
Crews will demolish the remainder of the existing sound wall adjacent to SB I-405 along Milan Street.

A new sound wall is being constructed as part of the improvement project.

Please be advised that this work may be loud.
Where
Southbound I-405, along Milan Street, between Bolsa Chica Road and Stratford Avenue.
 
When
Demolition activities may begin as early as Monday, June 3.

Activities will occur approximately 7 a.m. to 4 p.m.

Crews will haul out materials behind freeway lane closures, which can only be done at night.
 

 

What
Crews are working on the foundation of the new wall.
Where
SB I-405, adjacent to Bolsa Chica Road
When
As early as Monday, June 3 to Friday, June 14, 7 a.m. to 4 p.m., on weekdays 
 
Crews may also work at night.
 
 
 

What
Crews will continue to demolish the remainder of the existing sound wall adjacent to SB I-405 between Milan Street and Springdale Street.

A new sound wall is being constructed as part of the improvement project.

A temporary sound barrier will be in place during construction of the new sound wall.

Please be advised that this work may be loud.
Where
Southbound I-405 between Milan Street and Springdale Street.
 
When
Demolition activities are ongoing as of Tuesday, May 28.

Activities will occur approximately 6:30 a.m. to 4 p.m. and 10 p.m. to 5 a.m.

Crews will haul out materials behind freeway lane closures, which can only be done at night.
 
 

What
Crews demolished the majority of the sound wall adjacent to northbound I-405 between Springdale Street and Valley View Street.

A new sound wall is being constructed as part of the improvement project. 

A temporary sound barrier will be in place for the duration of construction of the new sound wall.
 
Please be advised that this work may be loud. 
Where
NB I-405, between Springdale Street and Valley View Street.
 
When
Demolition activities are ongoing as of Monday, May 6. 

Activities will occur approximately 6:30 a.m. to 4 p.m. and 10 p.m. to 5 a.m. 

Crews will haul out materials behind freeway lane closures, which can only be done at night.
 
 

What
Crews are working on the foundation for the new wall and loading out material.

 

Where
Along SB I-405 near Talbert Avenue, adjacent to LA Fitness

When
As early as Monday, June 3 to June 14, 7 a.m. to 4 p.m., on weekdays
 
Crews may also work at night.
 
 
 

What
Crews are working on the foundation for the new wall and loading out material.

 

Where
Milan Street, between approximately Stratford Avenue and 200 feet south of Lowell Circle.

When
Ongoing, during the day and at night on weekdays 
 
 

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.

To view all project closures and detours, please visit the interactive map  or click here for a pdf list. 
 
This article was released by the Orange County Transportation Authority.