Arroyo Simi Three Bridges Scour Mitigation Project
Summary
SCH Number
2022050464
Public Agency
Southern California Regional Rail Authority
Document Title
Arroyo Simi Three Bridges Scour Mitigation Project
Document Type
NOE - Notice of Exemption
Received
Posted
5/20/2022
Document Description
The Arroyo Simi Three Bridges Scour Mitigation Project is proposed to facilitate installation of scour countermeasures at three railroad bridges that pass over the Arroyo Simi Creek. The existing bridges are located at mile posts 428.15, 428.63, and 429.26 on the Southern California Regional Rail Authority’s (SCRRA) Ventura County Line (VCL) of the Metrolink Ventura Subdivision. SCRRA is proposing to implement scour countermeasures in the form of new riprap along the creek bottom under the existing bridges, grouted rock-slope protection at the abutments, and concrete encasements at the piers to remediate the existing scour damage and protect against future scour. The existing single-track configuration at each bridge location would remain upon implementation of the proposed scour countermeasures.
Contact Information
Name
Deborah Suazo-Davila
Agency Name
SCRRA
Job Title
SCRRA Railroad Civil Engineer
Contact Types
Lead/Public Agency
Phone
Email
Location
Cities
Moorpark
Counties
Ventura
Regions
Countywide, Southern California, Unincorporated
Total Acres
14.22
Railways
Metrolink Ventura Subdivision
Other Location Info
Mile Posts 428.15, 428.63, and 429.26.
Bridge 428.15: Latitude 34.28594° and Longitude -118.8619
Bridge 428.63: Latitude 34.28809 and Longitude -118.8538
Bridge 429.26: Latitude 34.29143 and Longitude -118.8437
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1, pursuant to CCR Title 14, Chapter 6, Division 3, Section 15301(d).
Reasons for Exemption
The Project includes scour countermeasures to mitigate existing scour at the existing railroad bridge piers and abutments, and to protect against additional future scour. The project is needed to ensure the operational safety of Arroyo Simi Bridges on the Ventura County Line. Pursuant to California Code of Regulations Title 14, Chapter 6, Division 3, Section 15301(d), the project involves the "restoration or rehabilitation of deteriorated or damaged structures, facilities, or mechanical equipment to meet current standards of public health and safety..."
County Clerk
Ventura
Attachments
Notice of Exemption
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