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Project No. 08H21; Project File No. E5083


Near 2180 Higgins Canyon Road, Half Moon Bay, CA 94019

About the Project

The slip-out repair project will repair the failing embankments and damaged pavements near 2180 Higgins Canyon Road. The work to be done consists, in general, of installing geocomposite earthwork, soldier piles and lagging retaining wall, tiebacks, drainage improvements, and installing a rock slope protection revetment with plantings, and erosion control/slope protection.

Public Works Contact

Wency Ng
Senior Engineer



  • February 2023 - Subsurface geotechnical investigation completed. Consultant has performed laboratory test for subsurface soils from corings at 3 different locations on site. Additional landslide and damages to the road were observed, which led to full closure of the road.
  • March 2023 - The road is currently closed due to unsafe conditions. The design consultant has prepared a draft geotechnical report for the repair recommendations. Design for the repair is anticipated to begin in April 2023.
  • April 2023 – Public Zoom Meeting held on Thursday, April 13, 2023, at 6:00 PM – 7:00 PM. Please click Here for the recorded Public Zoom Meeting on April 13, 2023

  • May 2023 – Site inspection with FEMA conducted on May 15, 2023. Draft Alternative Analysis and 15% Design were completed. 75% Design in progress.

  • June 2023 - 75% Design completed.

  • July 2023 - 100% Design completed. Finalized construction documents for public bid.

  • August 3, 2023 – Project invitation to bids has begun, see project out to bid page here

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Location_Map_2180+2665Location Map 2180 Higgins Initial Site InvestigationInitial Site Investigation 2180 Higgins Canyon Rd - Looking SouthFacing South 2180 Higgins Canyon Rd - Looking NorthFacing North