Sacramento – Beginning Friday, May 17, the U.S. Army Corps of Engineers will begin work on the Lower Natomas Basin Levee Improvement Project. Traffic will be affected with one lane closures on eastbound Garden Highway underneath Interstate 5 for several weeks as workers replace a waterline.

This work is the beginning of a much larger project to reinforce the levee system and improve flood protection around the Natomas area. Future work will involve significant road closures and impacts, which include:

  • Garden Highway will be completely closed in both directions underneath the I-5 overpass for about a week beginning in late-June. Traffic will be affected in both directions including from the on- and off-ramps to I-5. Exact dates will be announced as the project progresses.
  • Full road closure of Garden Highway between Northgate Blvd. and Truxel Rd. has been delayed due to significant rain from the past winter and spring. The full road closures are planned for early summer and will extend three to four months. Exact dates will be announced as the project progresses. A ditch approximately 75 to 125 feet deep will be dug down to bedrock along Garden Highway and filled in with a slurry seal retaining wall to protect the levee from flood waters.
  • Construction crews are also developing staging areas in two locations on Azusa Street. 

For the latest project information please visit: You can also follow Natomas Levee construction progress on Facebook ( and Twitter (