Interstate 880 East Creek Slough Scour Mitigation Project (04-2J760) (Lake or Streambed Alteration Agreement No. EPIMS-ALA-26300-R3)
Summary
SCH Number
2022070152
Public Agency
California Department of Fish and Wildlife, Bay Delta Region 3
(CDFW)
Document Title
Interstate 880 East Creek Slough Scour Mitigation Project (04-2J760) (Lake or Streambed Alteration Agreement No. EPIMS-ALA-26300-R3)
Document Type
NOE - Notice of Exemption
Received
Posted
7/11/2022
Document Description
The Project is limited to the East Creek Slough Mitigation Project (Project) to
address tidal scour at East Creek Slough Bridge (Bridge No. 33-0143) on Interstate 880 (I-880) at post mile (PM) 27.23. The Project will address the undermining and scour of the East Creek Slough Bridge at approach slabs for Abutments 1 and 5. The Project will include the following elements: a creek diversion system to keep the work area dry, installation of high-density polyurethane (HDPE) plastic lumber to the face of the abutments to retain the soil and structural backfill, installation of rock slope protection (RSP) to prevent scouring, installation of structural backfill (injection of lightweight cellular concrete and polyurethane foam) to fill the voids under the abutments, and replacement of the existing northbound and southbound concrete approach slabs with new concrete approach slabs.
Contact Information
Name
Robert Stanley
Agency Name
CA Department of Fish and Wildlife
Job Title
Senior Environmental Scientist (Specialist)
Contact Types
Lead/Public Agency
Phone
Location
Counties
Alameda
Regions
Northern California, San Francisco Bay Area
Other Location Info
The Project is located at the East Creek Slough Bridge (Bridge No. 33-0143) on Interstate 880 (I-880) at post mile (PM) 27.23 in the City of Oakland, Alameda County, in the State of California.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1; California Code of Regulations, title 14, section 15301
Reasons for Exemption
This Project involves the repair and maintenance of an existing public facility involving a negligible or no expansion of the former use prior to construction.
Attachments
Notice of Determination
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