Seismic Retrofit and Bridge Rail Upgrade

3 Documents in Project


SCH Number
Lead Agency
Caltrans, District 7 - Los Angeles (California Department of Transportation, District 7)
Document Title
Seismic Retrofit and Bridge Rail Upgrade
Document Type
MND - Mitigated Negative Declaration
Project Applicant
Caltrans - District 7
Present Land Use

Document Description
The California Department of Transportation (Caltrans) is proposing a seismic retrofit and barrier replacement project on two bridge structures on separate routes within Los Angeles County; the San Gabriel River Bridge (Bridge Number 53-0113, Post Mile 17.81) on State Route (SR)-39 and the Ridgeway Street Undercrossing (UC) (Bridge Number 53- 2052, Post Mile R0.92) on SR-71. Painting work and modification of the structure approach slabs are also proposed for the San Gabriel Bridge.

Contact Information
Karl Price
100 S. Main St.
Los Angeles, CA 90012

Phone : (213) 897-1839


Azusa Pomona
Los Angeles
Cross Streets
1) SR-39/Old San Gabriel Canyon Rd.; 2) SR-71/Ridgeway St.
State Highways
SR-39 and 71
San Gabriel River
Other Location Info
Coordinates: 1) 34°09'50.49"N; 117°53'40.79"W; 2) 34°03'54.29"N Zip Codes: 1) 91702; 2) 91766

Notice of Completion

Review Period Start
Review Period End
Development Type
Transportation (Bridge seismic retrofit at 2 locations)
Project Issues
Aesthetic/Visual Air Quality Archaeologic-Historic Biological Resources Forest Land/Fire Hazard Greenhouse Gas Emissions Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Wetland/Riparian Wildlife
Reviewing Agencies
California Air Resources Board California Department of Conservation California Department of Fish and Wildlife, South Coast Region 5 California Department of Forestry and Fire Protection California Department of Parks and Recreation California Department of Transportation, District 7 California Department of Water Resources California Governor's Office of Emergency Services California Highway Patrol California Native American Heritage Commission California Natural Resources Agency California Regional Water Quality Control Board, Los Angeles Region 4 California State Lands Commission Office of Historic Preservation San Gabriel and Lower Los Angeles Rivers and Mountains Conservancy State Water Resources Control Board, Division of Water Quality


Environmental Document
2020050103 NOI   PDF 771 K EA 32620 SR-39_71 Seismic Retrofit Initial Study_Final   PDF 4641 K EA 32620 SR-39_71 Seismic Retrofit NEPA CE   PDF 345 K EA 32620 SR-39_71 Seismic Retrofit NOI-Agency_Public_Signed 05-01-2020   PDF 1112 K EA 32620 SR-39_71 Seismic Retrofit SCH Summary_Form   PDF 578 K EA 32620 SR-39_71 Seismic Retrofit_NOC   PDF 259 K

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