Big Lagoon Multiple Culverts (0P240)
Summary
SCH Number
2025090346
Public Agency
California Department of Transportation, District 1
(DOT)
Document Title
Big Lagoon Multiple Culverts (0P240)
Document Type
NOE - Notice of Exemption
Received
Posted
9/9/2025
Document Description
This project involves replacing two failing drainage systems on Route-101 in Humboldt County at post miles (PM) 111.21 and 111.24. The purpose of this project is to preserve the road fill prism at these locations by upgrading the deteriorated drainage infrastructure. Each drainage system currently includes an 18-inch cross culvert and drainage inlets. The project will use the cut and cover construction method to replace the existing pipes with new. No rock energy dissipators are planned for installation. This project is needed to maintain the highway.
Contact Information
Name
Coady Reynolds
Agency Name
DOT, Caltrans
Job Title
Sr. Environmental Scientist
Contact Types
Lead/Public Agency
Address
Phone
Location
Cities
Unincorporated area
Counties
Humboldt
Regions
Northern California
State Highways
Route-101
Other Location Info
Route-101 at postmile 111.2 to 111.3
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1, California Code of Regulations, title 14, section 15304. Existing Facilities.
Reasons for Exemption
This project involves minor alterations to existing facilities, which does not involve removal of healthy, mature, scenic trees, or adversely impact sensitive plant or wildlife species.
County Clerk
Humboldt
Attachments
Notice of Exemption
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