Draft Environmental Impact Statement

The Draft Environmental Impact Statement public comment period ended March 22, 2021. The materials available during the public comment period are linked below and contain information and related documents pertaining to the Draft EIS.

Draft Environmental Impact Statement

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  Cover Sheet (493.3 KB)
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  Table of Contents (146.53 KB)
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  Executive Summary (29.14 MB)
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  Chapter 1 – Purpose and Need of the Project (2.09 MB)
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  Chapter 2 - Project Alternatives (4.39 MB)
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  Chapter 3 – Affected Environment and Environmental Consequences (43.55 MB)

Attachments

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  A. Acronyms and Abbreviations (112.08 KB)
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  B. References (174.54 KB)
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  C. List of Preparers (153.22 KB)
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  D. List of Supporting Technical Documentation (70.46 KB)
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  E. Notice of Availability Distribution List (142.46 KB)
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  F. Agency Letters (30.74 MB)
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  G. Detailed Graphics of Alternatives (13.98 MB)
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  H. Preferred Alternative Evaluation Memo (1.5 MB)
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  Summary of Permits and Clearances Needed (130.64 KB)
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  J. Summary of Potential Mitigation (394.23 KB)
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  K. Summary of Public Involvement and Agency Coordination (365.86 KB)
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  L. Index (163.34 KB)
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  M. Section 4(f) (Parks, Recreation, and Open Space Resources Historic Sites) (35.47 MB)
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  N. Planning and Environmental Linkages (PEL) Strategy Technical Memorandum (335.76 KB)
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  O. Cost Risk Assessment Cost Estimate Summaries (974.09 KB)

Technical Report Topics

Technical report topics are shown below. You can access the level of detail that is right for you by following the links to a brief summary, the full technical report, or by referencing the chapter and page number in the Draft EIS.

Draft Environmental Technical Report Supporting Documents

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  Description of Alternatives (10.63 MB)
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  Greenroads (775.53 KB)
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  Health Impact Assessment (2.21 MB)
• Noise and Vibration Technical Report Appendix A: Part 1 (zip file, 170.75 MB)
• Noise and Vibration Technical Report Appendix A: Part 2 (zip file, 159.32 MB)
• Noise and Vibration Technical Report Appendix A: Part 3 (zip file, 3.38 MB)
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  Equity Report (980 KB)

Additional Documents

Design Technical Reports

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  Bridge Replacement Technical Report (36.79 MB)
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  Construction Approach Technical Report (33.29 MB)
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  Enhanced Retrofit Technical Report (26.27 MB)
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  Geotechnical Technical Report (61.32 MB)
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  Preliminary Navigation Study (2.24 MB)

Design Technical Reports Supporting Documents

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  Bridge Design Criteria (806.53 KB)
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  Facilities Standards List (117.98 KB)
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  Recommendation to Remove the Fixed Bridge Alternative from Further Consideration Memorandum (985.21 KB)
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  Roadway Deficiencies Technical Memorandum (2.58 MB)
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  Seismic Design Criteria (2.22 MB)
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  Burnside Bridge As-Builts (37.25 MB)
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  Active Transportation Access Options Memorandum (2.47 MB)
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  Why the Enhanced Seismic Retrofit is not the Preferred Alternative (432.42 KB)

Feasibility Study

• See the Feasibility Study archive.