Bridge demolition to close 405 Freeway at L.A.-O.C. border

Bridge demolition
Work crews closed the 405 Freeway in August as they knocked down a portion of an overpass. The closure and road work resumes Saturday night.
(Jay L. Clendenin / Los Angeles Times)

A bridge demolition project will close the 405 Freeway late Saturday and early Sunday, forcing motorists to detour around a typically busy interchange at the Los Angeles-Orange County border.

The freeway will be closed in both directions between Valley View Street and Studebaker Road from 11 p.m. to 7 a.m.

Seal Beach Boulevard over the freeway will also be closed. And the westbound 22 Freeway will be closed from Valley View Street to the northbound 405.

The overnight closure is necessary, officials say, so that crews can demolish the eastern half of the Seal Beach bridge. The western half of the bridge was demolished in August and has since been reconstructed and opened to traffic.


The closure is part of the Orange County Transit Agency and Caltrans’ West County Connectors Project, a $277-million effort that will connect carpool lanes on the 405, 605 and 22 freeways and construct a second carpool lane on the 405 between the 605 and the 22.

Information on detours is available here.


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