405

Oct. 27 for approximately one year to advance construction on the Bolsa Chica bridge.

Almond Avenue Update

Demolition and reconstruction of the sound walls along Almond Avenue in College Park East are anticipated to start soon. Crews will install a temporary sound barrier prior to demolition.

I-405 near Bolsa

Crews will remove a portion of the I-405 bridge over the railroad, along the northbound and southbound I-405 between Bolsa Avenue and McFadden Avenue.

Activities include demolition, excavation, and hauling materials. The NB 1-405 work was completed earlier this week. SB I-405 work is set for today, April 15; Friday, April 16; and Monday, April 19.

Daytime work hours are 7 a.m.-4 p.m. Nighttime work hours are 9 p.m.-6 a.m. Crews may mobilize equipment as early as 6 a.m.

This work may be loud.

Crews will continue working on the foundation of the wall along southbound southbound I-405, south of Bolsa Avenue.

Bolsa Chica Road

Continuation of pile driving for the Bolsa Chica bridge over I-405 along the center median and southbound I-405 at Bolsa Chica bridge. The work is ongoing, 7 a.m.-4 p.m., on weekdays for approximately two months.

Crews may mobilize equipment as early as 6 a.m., and some activities may occur from 9 p.m.-5 a.m. as needed.

Westminster Boulevard

Crews began working on the foundation of the retaining wall adjacent to Cascade Park along the southbound (SB) I-405 on-ramp from Westminster Boulevard. The foundation consists of approximately 80 cast-in-drilled-hole (CIDH) piles.

Work is ongoing, from 7 a.m.-4 p.m. on weekdays, for approximately one month.

Crews may mobilize equipment as early as 6 a.m., and some activity may occur at night. Intermittent nighttime closures of the southbound I-405 on-ramp from Westminster may be required.

Additional construction activities, including rebar, form and concrete work, are anticipated in May and June, and backfill and block wall installation is anticipated in July and August.

The 405 Community Outreach Team will provide detailed schedule information in future alerts.

Concrete pours are anticipated in late March and early April.

This work may be loud.

Sign up for project-wide and bridge-specific construction alerts at bit.ly/405-signup. Email 405project@octa.net or call (888) 4008994 for more information. The I-405 Improvement Project mobile app provides quick access to current traffic conditions, closures and detours, along with project updates and links to contact the project team. Download it from the Apple Store or Google Play.

I-405 Improvement Project automated call and text alerts will now start coming to subscribers from the I-405 Project Helpline number, 888-400-8994.

This will allow people to leave messages if they have questions or concerns about the project.