I-580 Culvert Replacement (EA 0V170)
Summary
SCH Number
2026060615
Public Agency
California Department of Transportation, District 4
(DOT)
Document Title
I-580 Culvert Replacement (EA 0V170)
Document Type
NOE - Notice of Exemption
Received
Posted
6/11/2026
Document Description
The California Department of Transportation (Caltrans) proposes replacing a culvert system at post mile (PM) 31.97 on Interstate (I-) 580 in Alameda County. There is currently a temporary steel plate covering the failed drainage inlet and down drain. The project will involve grading the roadway to access the failed culvert, replacing the culvert, drainage inlet, and down drain, and then backfilling and repaving the roadway. Clearing and grubbing of vegetation may be required. Construction equipment may include, but not be limited to, asphalt concrete (AC) trucks, grinders, loaders, pavers, and rollers.
Contact Information
Name
Juliane Smith
Agency Name
Caltrans
Job Title
Senior Environmental Scientist (NEPA/CEQA Specialist)
Contact Types
Lead/Public Agency / Project Applicant / Parties Undertaking Project
Address
Phone
Email
Location
Cities
Unincorporated Alameda County (Castro Valley)
Counties
Alameda
Regions
Northern California, San Francisco Bay Area
State Highways
580
Other Location Info
The project is located at post mile 31.97 on Interstate (I-) 580 in Alameda County.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
PRC 21084; 14 CCR 15301 Class 1
Reasons for Exemption
Class 1 Existing Facilities. The project is not anticipated to result in any environmental impacts. The project contains a number of standardized project measures which are employed on most, if not all, Caltrans projects and were not developed in response to any specific environmental impacts.
County Clerk
Alameda
Attachments
Notice of Exemption
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