North Fork San Gabriel River Bridge Scour Mitigation/Seismic Retrofit

6 Documents in Project


SCH Number
Lead Agency
Caltrans 7 (Los Angeles) (California Department of Transportation, District 7)
Document Title
North Fork San Gabriel River Bridge Scour Mitigation/Seismic Retrofit
Document Type
FIN - Final Document

Document Description
NOTE: Neg Dec/FONSI/Final Caltrans has completed technical studies and issued a Negative Declaration/Finding of No Significant Impact (ND/FONSI) for the scour mitigation and rehabilitation of the North Fork San Gabriel River Bridge, located at postmile 31.2 on State Route 39 in the Angeles National Forest. The alternative that has been identified as preferred 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.

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

(213) 897-0841


Los Angeles
State Highways
San Gabriel River and tributaries

Notice of Completion

Development Type
Transportation:Other (Bridge Rehabilitation)
Project Issues
Landuse Growth Inducing Wetland/Riparian Water Supply Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Solid Waste Soil Erosion/Compaction/Grading Recreation/Parks Public Services Population/Housing Balance Noise Forest Land/Fire Hazard Flood Plain/Flooding Economics/Jobs Drainage/Absorption Biological Resources Archaeologic-Historic Air Quality Aesthetic/Visual
Reviewing Agencies
Air Resources Board, Transportation Projects Cal Fire California Department of Parks and Recreation California Highway Patrol Department of Conservation Department of Fish and Wildlife, Region 5 Department of Toxic Substances Control Department of Water Resources Native American Heritage Commission Office of Emergency Services, California Office of Historic Preservation Regional Water Quality Control Board, Region 4 Resources Agency San Gabriel & Lower Los Angeles Rivers & Mountains Conservancy State Lands Commission
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