State Route 39 North Fork San Gabriel River Bridge Scour Migation/Seismic Retrofit Project

7 Documents in Project


SCH Number
Lead Agency
California Department of Transportation, District 7
Document Title
State Route 39 North Fork San Gabriel River Bridge Scour Migation/Seismic Retrofit Project
Document Type
NEG - Negative Declaration
Present Land Use
Transportation/United States Forest Service - Angeles National Forest

Document Description
The California Department of Transportation (Caltrans) has completed studies and issuead an Initial Study/ Environmental Assessment for the scour mitigation and rehabilitation of the North Fork San Gabriel River Bridge, located at postmile 31.2 on SR 39 in Angeles National Forest. Alternative One includes scour mitigation, bridge rail replacement, seismic retrofit, construction of steel column casings, footing retrofit with steel piles, retaining walls along the bank, and check dam installation. Alternative Two involves bridge replacement along the same alignment.

Contact Information
Natalie Hill
California Department of Transportation, District 7
Lead/Public Agency
100 South Main Street
Los Angeles, CA 90012

Phone : (213) 897-0841


Los Angeles
San Gabriel River and tributaries

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation:Other (Bridge Rehabilitation)
Project Issues
Aesthetics Air Quality Biological Resources Cultural Resources Drainage/Absorption Economics/Jobs Flood Plain/Flooding Geology/Soils Growth Inducement Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Noise Population/Housing Public Services Recreation Transportation Vegetation Wetland/Riparian Wildfire
Reviewing Agencies
Air Resources Board, Transportation Projects Cal Fire California Department of Conservation (DOC) California Department of Parks and Recreation California Highway Patrol California Native American Heritage Commission (NAHC) California Regional Water Quality Control Board, Los Angeles Region 4 (RWQCB) Department of Toxic Substances Control Department of Water Resources Office of Emergency Services, California Office of Historic Preservation Resources Agency State Clearinghouse California Department of Fish and Wildlife, South Coast Region 5 (CDFW)

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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