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405 Alert: Brace For 'Bridge Bash' This Weekend

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405 drivers, prepare for "Bridge Bash," which will shut down parts of the freeway from Saturday, August 17 to Sunday, August 18.The Orange County Transportation Authority will be demolishing the bridge connecting southbound 405 to the eastbound 22, which will necessitate the closure of portions of the eastbound SR-22, northbound I-405 and southbound I-405 freeways. The shutdown will start at 9 p.m. on Saturday August 17 and continue for approximately 20 hours, ending 5 p.m. Sunday, August 18.

A new carpool connector has been built between the 405 and the 22, which means the old one has got to go.

The work was part of the $277-million West County Connectors project to improve traffic flow by directly connecting carpool lanes on the 405, 605 and 22 freeways, according to KTLA. A second carpool lane will be added on the 405 between the 22 and the 605.

Traffic on the 405 near the border between Orange and Los Angeles counties averages about 370,000 vehicles each day, according to transit officials.

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Typical weekend traffic in the area is about 350,000 vehicles per day.

OCTA has posted all the shutdowns and suggested detours on their site, as well as a Google Detour Map. Here's an overview:

WHAT WILL BE CLOSED

  • Northbound I-405 freeway will be closed at Valley View St.
  • Southbound I-405 freeway will be closed between the I-605 freeway junction to the eastbound SR-22 connector (near Valley View Street)
  • 7th St. / Eastbound SR-22 will be closed at southbound I-405 freeway junction

RECOMMENDED DETOURS

If you are heading north on the I-405 during the weekend of the bridge demolition, here are some recommended detours.

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From Northbound I-405 use one of the following (outlined in ORANGE):

  • Exit Beach Blvd. and turn right;
  • Take westbound SR-22 on-ramp to reconnect with northbound I-405
  • Exit Westminster Ave. (EAST) and turn left;
  • Turn right on Bolsa Chica Rd.
  • Take the westbound SR-22 on-ramp to reconnect with the northbound I-405
  • Exit Valley View St. and turn left onto Garden Grove Blvd.
  • Turn right on Valley View St.
  • Take westbound SR-22 to reconnect with the northbound I-405

If you are heading south on the I-405 during the weekend of the bridge demolition, here are some recommended detours.
From Southbound I-405 use one of the following (outlined in GREEN)

  • Exit Studebaker Rd. and turn right
  • Turn Left on E. 2nd St. / Westminster Ave.
  • Continue on Westminster Ave. to access southbound I-405
  • Merge onto northbound I-605
  • Exit Katella Ave. and turn right
  • Turn right on Valley View St. to access southbound I-405

From Southbound I-605 use the following detour (outlined in GREEN):

  • Exit Willow St. and turn right
  • Turn left on Studebaker Rd.
  • Turn left on E. 2nd St. / Westminster Ave.
  • Continue on Westminster Ave. to access southbound I-405

From 7th St. / Eastbound SR-22 use the following (outlined in GREEN):

  • Merge onto northbound I-605
  • Exit Katella Ave. and turn right
  • Turn right on Valley View St. to access southbound I-405
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