Crews have begun work to demolish old portions of I-5 that bridge across San Antonio Drive, Imperial Highway and Pioneer Boulevard. These bridge structures will be demolished one at a time, to make room for the new widened portions of the freeway. Bridge demolition activity will be conducted at night between 9 p.m. and 6 p.m.; the roadway underneath each respective I-5 freeway bridge will be closed to through traffic at night, while demolition is under way.

Nighttime demolition of the old San Antonio Drive bridge at I-5 is under way. San Antonio Drive / Norwalk Boulevard will be closed to all through traffic underneath I-5, from 9 p.m. Thursday, July 23 to 6 a.m. Friday, July 24. Closures for demolition activity will continue nightly between 9 p.m. and 6 a.m., Sunday, July 26 through Wednesday, July 29. During the daytime, partial lane closures in each direction will be in effect on San Antonio Drive / Norwalk Boulevard at I-5, between 9 a.m. and 3 p.m.

The map below illustrates the recommended detour route that is in place during nighttime closures on San Antonio Drive / Norwalk Boulevard.

Once demolition activity is completed at San Antonio Drive, crews will proceed to Imperial Highway and Pioneer Boulevard, however the dates / schedule for that work has not been finalized. Additional information will be provided as soon the schedule for the subsequent bridge demolition work is set.

Work is ongoing on Union Street, between San Antonio Drive and Paddison Avenue, to complete the planned roadway improvements. Union Street is being widened, sidewalks will be reconstructed and the street will become a cul-de-sac adjacent to San Antonio Drive. Access for local residents will be maintained at all times. Construction activity is also ongoing with several sound walls along the northbound and southbound I-5. In addition, work continues on the frontage roads along the northbound I-5 (Adoree Street) and southbound I-5 (Southbound Frontage Road). Adoree Street is temporarily closed between Norwalk Boulevard and Kalnor Avenue. Next Tuesday, July 28 crews will perform paving activity on Adoree Street; crews estimate Adoree Street between Kalnor Avenue and Norwalk Boulevard may be open to traffic as early as Wednesday, July 29.

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