Ridgecrest/ Inyokern Pavement

The Ridgecrest/Inyokern Pavement project, managed by Caltrans District 9 in Bishop, involves infrastructure improvements at two unnamed streams on State Route 178 at highway post miles 89.03 and 89.27 in Kern County, California. The scope of work includes replacing degraded culverts and associated features, installing rock slope protection, excavating and removing excess substrate, removing vegetation, and implementing erosion control treatments. This work is conducted under Streambed Alteration Agreement EPIMS-KER-62872-R4, pursuant to Fish and Game Code section 1602. The California Department of Fish and Wildlife has issued a Notice of Determination as of August 27, 2026, stating that the project will not have a significant environmental effect within its permitting jurisdiction. Compliance requires adherence to a Mitigation Reporting or Monitoring Plan and follows standards set by the California Code of Regulations section 15096 and Public Resources Code section 21108. The project is categorized under NAICS code 237310 for highway, street, and bridge construction.