SBD I-15 Replace Rock Slope Protection (RSP) for 6 Bridges

Summary

SCH Number
2024040752
Lead Agency
California Department of Transportation, District 8 (DOT)
Document Title
SBD I-15 Replace Rock Slope Protection (RSP) for 6 Bridges
Document Type
MND - Mitigated Negative Declaration
Received
Document Description
The California Department of Transportation (Caltrans) proposes to remove the existing rock slope protection (RSP) and installing partially grouted RSP underneath the Mescal Ditch Bridge (Left & Right) Br. No. 54-0303 L&R at PM 166.8, and Ivanpah Ditch Bridge (Left & Right) Br. No. 54-0316 L&R at PM 179.4. Traditional RSP would be installed underneath Telephone Wash Bridge (Left) Br. No. 54-0233 L at PM R110.4, and Cenda Ditch Bridge (Left) Br. No. 54-1308 L at PM 172.1L on Interstate 15 (I-15) between post mile (PM) R110.4 and PM 179.4 in San Bernardino County. The project would also include the upgrading of Metal Beam Guardrail (MBGR) to Midwest Guardrail System (MGS) and constructing vegetation control underneath the guardrail. The existing bridge rail at Mescal Ditch Bridge and Telephone Wash Bridge would be replaced to concrete barrier and sign panels would be upgraded at Mescal Ditch Bridge. In addition, re-striping would occur from Mescal Ditch Bridge to Ivanpah Bridge.

Contact Information

Name
Malisa Lieng
Agency Name
Caltrans District 8
Job Title
Senior Environmental Planner
Contact Types
Lead/Public Agency / Project Applicant

Location

Cities
Baker; Mountain Pass, Barstow
Counties
San Bernardino
Regions
Countywide, Southern California, Statewide, Unincorporated
State Highways
Interstate 15

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Fish and Wildlife, Inland Deserts Region 6 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Transportation, District 8 (DOT), California Department of Water Resources (DWR), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Regional Water Quality Control Board, Lahontan Victorville Region 6 (RWQCB), California Transportation Commission (CATC), Department of Toxic Substances Control, Office of Historic Preservation, California Highway Patrol (CHP), California Department of Conservation (DOC)
State Reviewing Agency Comments
California Highway Patrol (CHP), California Department of Conservation (DOC)
Development Types
Transportation:Highway/Freeway (Rock Slope Protection)
Local Actions
Rock Slope Protection
Project Issues
Biological Resources, Greenhouse Gas Emissions, Hydrology/Water Quality

Attachments

Notice of Completion [NOC] Transmittal form
State Comment Letters [Comments from State Reviewing Agency(ies)]

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