Placer I-80 Auxiliary Lanes – Cirby Creek Bridge Widening
5 Documents in Project
Summary
SCH Number
2016012021
Lead Agency
California Department of Transportation, District 3
(DOT)
Document Title
Placer I-80 Auxiliary Lanes – Cirby Creek Bridge Widening
Document Type
NOD - Notice of Determination
Received
Posted
11/16/2020
Document Description
The project consists of the widening of Cirby Creek Bridge (also known as the Linda Creek Bridge) as part of a larger effort to widen the existing Interstate 80, adding an eastbound auxiliary lane between State Route 65 and Rocklin Road and a westbound auxiliary lane between Douglas Boulevard and Riverside Avenue. The Cirby Creek Bridge Replacement Project is part of the westbound extension which requires the
widening of Cirby Creek Bridge, a continuous three span, cast-in-place, reinforced concrete t-beam bridge. The total bridge width is currently 149.5 feet. The portion of the channel of Cirby Creek underneath the bridge is lined with concrete and is approximately 20 feet wide, with two-foot-wide and one-foot-deep low-flow channel. The project will widen the bridge by 12.5 feet on the northwest (downstream) side with a column added at each pier. Footings will be constructed immediately adjacent
to the concrete-lined channel. Construction may include partial removal and reconstruction of the channel. The existing concrete-lined channel will be extended 15 feet on the northwest (downstream) side. An existing 16-inch reinforced concrete pipe outfall structure within the temporarily disturbed area of Cirby Creek will be replaced with a 24-inch reinforced concrete pipe.
Contact Information
Name
Gabriele Quillman
Agency Name
Department of Fish and Wildlife
Contact Types
Lead/Public Agency
Phone
Name
Agency Name
Rod Murphy
Contact Types
Project Applicant
Location
Coordinates
Cities
Roseville
Counties
Placer
Regions
Northern California
Waterways
Cirby Creek
Township
10N
Range
6E
Section
10
Base
MDM
Other Location Info
City of Roseville
Notice of Determination
Approving Agency
California Department of Fish and Wildlife
Approving Agency Role
Responsible Agency
Approved On
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
Yes
(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
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
No
(5) A Statement of Overriding Considerations was adopted for this project
Yes
(6) Findings were made pursuant to the provisions of CEQA
No
Attachments
Notice of Determination
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