Interstate 405 at San Gabriel River Bridge Scour Mitigation Project
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Summary
- SCH Number
- 2020040064
- Lead Agency
- Caltrans, District 7 - Los Angeles (California Department of Transportation, District 7)
- Document Title
- Interstate 405 at San Gabriel River Bridge Scour Mitigation Project
- Document Type
- NOD - Notice of Determination
- Received
- Posted
- 7/7/2020
- Project Applicant
- Caltrans District 7
- Present Land Use
- Urban, Highway Facilities
- Document Description
- The California Department of Transportation (Caltrans) proposes a bridge scour maintenance project at the Interstate 405 (I-405) / Interstate 605 (I-605) interchange - a complex of three (3) bridges that traverse the San Gabriel River at the Los Angeles County/Orange County line. Two of the three bridges exist within the jurisdiction of Caltrans District 7 - Los Angeles (Bridge No. 53-1185 and Bridge No. 53-1737H from post mile 0.2/0.3), and the third bridge exists within the jurisdiction of Caltrans District 12 - Orange County (Bridge No. 53-413F at post mile 24.11). The scope of work for all three bridges includes 1) retrofit of bridge substructure foundation by constructing pier footing extensions at Pier 3 and Pier 4 at each bridge, 2) reinforcement of new footing extensions through placement of new Cast-In-Drilled-Hole (CIDH) piles, and 3) armoring of substructure retrofit through placement of rip-rap/rock protection around each pier.
- Contact Information
-
Eduardo Aguilar, Branch Chief/Senior Environmental Planner
Caltrans District 7 - Los Angeles
100 S. Main Street MS-16A
Los Angeles, CA 90012
Phone : (213) 897-8492
eduardo.aguilar@dot.ca.gov
Location
- Coordinates
- 33°47'11.8"N 118°5'38.1"W
- Cities
- Long Beach Los Alamitos Seal Beach
- Counties
- Los Angeles Orange
- Regions
- Citywide Countywide Southern California
- Cross Streets
- Interstate 405/Interstate 605 Interchange
- Zip
- 90815
- Total Acres
- 35
- Parcel #
- 7238-030-906
- State Highways
- 405, 605, 22
- Schools
- Tincher Prep, Jack L. Weaver
- Waterways
- San Gabriel River
Notice of Determination
- Approving Agency
- Caltrans District 7 - Los Angeles
- Approving Agency Role
- Lead Agency
- Approved On
- Final Environmental Document Available at
- https://tinyurl.com/I405-SGR-Final
Determinations
- (1) The project will have a significant impact on the environment
- No
- (2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
- No
- (2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
- Yes
- (2c) An other document type was prepared for this project pursuant to the provisions of CEQA
- No
- (3) Mitigated measures were made a condition of the approval of the project
- No
- (4) A mitigation reporting or monitoring plan was adopted for this project
- Yes
- (5) A Statement of Overriding Considerations was adopted for this project
- No
- (6) Findings were made pursuant to the provisions of CEQA
- Yes
Attachments
- Final Document(s)
- 32100 Final IS PDF 29221 K 32100 NOA Final IS PDF 236 K
- NOC
- 32100 NOC PDF 253 K
- Notice of Determination
- 2020 Filing Fee Cash Receipt PDF 325 K 32100 NOD PDF 107 K
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