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Capital Improvement Program
South Park Bridge #3179
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King County submitted an application on Sept. 15, 2009 to the USDOT for federal stimulus funds under the Transportation Investment Generating Economic Recovery (TIGER) program. Read about the application here.
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Project No.:
300197
Project limits:
14th/16th Avenue South over Duwamish River
Current phase: Final Design
Project type:
Safety
Thomas Bros. Map No.:
625b3
Project description
Conduct a NEPA/SEPA EIS to study design and construction alternatives for the bridge. The EIS will include an historical resource survey and documentation. Conduct engineering design of the preferred bascule bridge alternative. Bridge replacement will follow the EIS and design if construction funding for this project is secured.
Why is King County doing this project?
Several studies have shown that the condition of the bridge warrants major rehabilitation or replacement. Interim maintenance projects are funded under CIP #M69306.
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| Status as of
November 19, 2009 |
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Final design phase is in progress as well as completing the Final EIS. Right-of-way acquisition and permit applications are in process. Anticipate obtaining the Record of Decision by end of 2009. Submitted application for the TIGER grant in Sept. 2009.
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Environmental InformationThe South Park Bridge spans the navigable channel of the Duwamish Waterway, which is used for industrial, commercial, and recreational purposes. The natural habitat in the project area has been extensively altered through human activity. Urban landscapes in the form of landscaped backyards, parks, street trees, and undeveloped steep slopes are the primary terrestrial habitats in the vicinity of the project area.
To reduce environmental impacts during project construction, in-water work duration will be expedited so that temporary piles will be left in the Duwamish River for the minimum amount of time feasible. About 352 creosote-treated piles that serve as pier protection for the existing bridge will be removed/cut off and replaced with steel piles, thus improving water quality. Removal of the existing approach bridge piers will remove 671 square feet of structure from intertidal areas of the Duwamish River used by migrating salmonids.
The project-wide mitigation plan will i
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See also
King County emergency phone numbers
King County public safety links
King County Traffic Engineering and Maintenance Section
Radar Readerboard Program
Signs, signals and crosswalks
Title VI information
Traffic safety in your neighborhood
Washington State Department of Transportation traffic accident information
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How does the CIP work?
The Road Services Division Capital Improvement Program (CIP)
contains all design, construction and studies for improvements on roads, bridges or transportation facilities in unincorporated areas in King County.
We have a glossary to help explain our terms and jargon.
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