1M970: Tuolumne SR-49 Culvert Replacements


SCH Number
Public Agency
California Department of Transportation, District 10 (DOT)
Document Title
1M970: Tuolumne SR-49 Culvert Replacements
Document Type
NOE - Notice of Exemption
Document Description
The California Department of Transportation (Caltrans) proposes a culvert replacement project at post miles (PM) 22.33 and 22.66 on State Route (SR) 49, Tuolumne County. Location 1 (PM 22.33) includes an existing two-culvert system. The scope of work at Location 1 includes installing an 18” metal Flared End Section (FES) at the outlet of the first existing culvert. For the second existing culvert at Location 1, the scope of work includes replacing the existing concrete headwall at the inlet, replacing the existing 30” Corrugated Steel Pipe (CSP) with a 36” Reinforced Concrete Pipe (RCP) and rubberized gasket joint, installing a 36” down drain and FES at the outlet, and replenishing Rock Slope Protection at the outlet. At Location 2 (PM 22.66) the scope of work includes replacing the existing 24” CSP with a new 24” CSP, replacing the existing metal FESs at the inlet and outlet, and grading the outlet ditch. All work will occur with Caltrans existing Right of Way. The purpose of this project is to replace the damaged and failing culverts. The project is needed to extend the service life of SR-49 and maintain motorist safety across these drainages.

Contact Information

Elizabeth Hummel
Agency Name
Job Title
Environmental Branch Chief
Contact Types
Lead/Public Agency


Northern California
State Highways
State Route (SR) 49
Other Location Info
Post Miles 22.33 & 22.66

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Existing Facilities Section 15301
Reasons for Exemption
The project will not affect any sensitive species or their habitat, cultural resources, scenic resources, or any other environmentally sensitive resources.
County Clerk


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