Nicasio Bridge Seismic Retrofit


SCH Number
Public Agency
Hueneme School District
Document Title
Nicasio Bridge Seismic Retrofit
Document Type
NOE - Notice of Exemption

Document Description
The project involves the retrofit of the Nicasio Creek bridge to prevent collapse of the bridge during a large earthquake. The proposed work will include placing reinforced concrete walls between the columns of the existing piers and improvements to the abutments. Other structural improvements will be included which will not affect the stream. To expose the piers for construction, approximately 20 cubic yards of streambed material will be excavated and replaced. To allow construction within the bed of the stream, stream flow will be diverted through temporary 24-inch plastic pipe laid on the streambed. Approximately 20 cubic yards of imported gravel fill will be used to create coffer dams to isolate the work site from the flowing water. Issuance of Streambed Alteration Agreement Number R3-2001-0358 pursuant to Fish and Game Code Section 1601.

Contact Information
Scott Wilson
Department of Fish and Game, Region 3
Lead/Public Agency
P.O. Box 47
Yountville, CA 94599

Phone : 707-944-584


Other Location Info
Location: Nicasio Creek at Nicasio Road, Nicasio, Marin County.

Notice of Exemption

Exempt Status
Statutory Exemption
Type, Section or Code
Section 15269
Reasons for Exemption
Bridge seismic retrofit.

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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