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Southport Sacramento River Levee Improvement Project

South River Road Closure Announcement

Southport Levee Improvement Project - December 2018 Update 

Construction for the 2018 season is coming to a close and flood season is upon us. All flood protection facilities are in place which includes all earthwork placement along the setback levee and fix-in place areas. All slurry wall work (conventional and deep mix method) along the project was completed earlier this year. Field crews are currently performing clean-up work and will continue to maintain erosion/sediment control measures throughout the fall and winter months. We have made substantial progress with placement of roadway gravel throughout the project along the top of levee and land side toe roads which will provide vehicle access for maintenance operations. Installation of post and cable fencing along the project limits continues with completion scheduled for the end of December. Rock placement at all three inlet/outlets and erosion repair areas throughout the project will be complete by mid-December with vegetation work on-going in the erosion repair areas. All roadway work which included realignment, new access roadway construction to the marinas, new cul-de-sacs, and overlay improvements along Davis Road and Linden Road have been completed. Restoration of the borrow sites is being reviewed and coordinated with the construction management team so completion of these activities can occur during the 2019 construction season. Throughout the month of December and into January, the contractor will continue to complete punch list items so that the project team can proceed with project completion documentation the first quarter of 2019. 

Below is a summary of major elements of work completed as part of the Southport Levee Project:

  • Hauled and placed over 2,000,000 cubic yards of embankment material
  • Constructed over 3.6 miles of new setback levee improvements
  • Constructed nearly 2 miles of fix in place levee improvements
  • Installed 5.6 miles of slurry wall that ranged in depth from 30’ to 110’
  • Roadway construction improvements which included
    • South River Road Realignment
    • Linden and Davis Road overlays
    • Construction of 3 new cul-de-sac’s
    • Construction of two new roadways providing access to the marinas
  • Constructed 9 miles of new O&M access roads
  • Relocated utilities (PG&E and AT&T)
  • Created 125+ acres of floodplain (area between the old and new levees)
  • Placed 125,000 cubic yards (250,000+ tons) of rock at the new inlet/outlets and erosion repair sites
  • Installed 24,000+ feet of post and cable fencing

Updated by Jenn Tran 12/21/18

Click the links below for project photos:

Watch the Facebook Live video of the Southport Sacramento River Levee Groundbreaking Event

Click For a Map of the Project:

If you have any questions regarding the project, call the project hotline: (916) 617-5036

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