King County Road Services - Capital Improvement Program

Additional information—Documents

• Notice of Availability (NOA) (212KB .pdf)
• Additionally the Record of Decision (ROD) (2MB .pdf)
• Biological Opinion cover letter (478KB .pdf)
• Biological Opinion form NMFS (Appendix K) (478KB .pdf)

South Park Bridge - Closure plan

Closure plan - summary

The summary is a 7-page version of the complete 53-page plan linked below.

• Download a summary of the full plan (3MB .pdf)

Closure plan - full plan

• Download the full plan (3MB .pdf)
• Download sections of the full plan:
  • Cover page (407KB .pdf)
  • Letter from King County Road Services Division Director (192KB .pdf)
  • Plan purpose and elements, Introduction, Current condition, Management and oversight (33KB .pdf)
  • Communication and community outreach plan (39KB .pdf)
  • Negative effects of the closure, First Avenue South Bridge before and after closure, Level of service before and after closure (398KB .pdf)
  • Identified measures to reduce the negative effects of closure (431KB .pdf)
  • Transit impacts and rerouting plans (935KB .pdf)
  • Construction activity, Emergency services, Operational impacts on other agencies (40KB .pdf)
  • Effects of the closure on local businesses (398KB .pdf)
  • Decommissioning the bridge, Monitoring (20KB .pdf)
  • Closure schedule before and after bridge closes (30KB .pdf)
  • South Park Bridge agency contact list (21KB .pdf)
  • Public comments and responses (94KB .pdf)

Environmental Impact Statement

• Final Environmental Impact Statement and Section 4(f) Evaluation, Dec. 18, 2009

• King County Landmarks Commission, Certificate of Appropriateness Application (2MB .pdf)
• King County Landmarks Commission, Certificate of Appropriateness Appendix B (2MB .pdf)
• King County Landmarks Commission, Certificate of Appropriateness Approval
  (74KB .pdf)

• South Park Bridge Hydrographic Survey Report (4MB .pdf)
  
• South Park Bridge Hydrographic Cross Sections (306KB .pdf)

• Original South Park Bridge Plan Sets

• Preliminary Site Investigation Report - 2004 (23MB .pdf)
• Analysis of Risk and Remaining Life of the South Park Bridge - 2004 (1MB .pdf)
• South Park Bridge Peer Review - 2006
• Covers (1MB .pdf)
• Report (5MB .pdf)
• Tab dividers (1MB .pdf)
• Seismic Study of 14th Avenue South Bridge - 2001 (15MB .pdf)
• South Park Bridge Replacement Geotechnical Report Phase II & Supplement (8MB .pdf)
• 16th Avenue South Bridge Geotechnical Report - 1991 (3MB .pdf)
• Substructure Investigation Testing Assessment of Bascule Piers - 1994 (11MB .pdf)
• Underwater Inspection Report - 2005 (3MB .pdf)
• Waterway Users Economic Impact Analysis - 1995 (9MB .pdf)
• 1994 Design Report (7MB .pdf) — A summary of the investigation on South Park Bridge's operation and replacement/rehabilitation alternatives.
• 1994 Design Report Attachments (743KB .pdf) — Costs, existing and proposed alignments.

Executive Summary (1MB .pdf)

Draft EIS (17MB .pdf)

Appendix Volume I
• Appendix G Summary Technical Report: Alternatives Development and Screening Report
• Pages 1-60 (523KB .pdf)
• Pages 61-70 (55MB .pdf)
• Pages 71-78 (42MB .pdf)
• Pages 79-111 (382KB .pdf)
• Appendix H Rehabilitation Feasibility Study Technical Memorandum
• Pages 112-192 (3MB .pdf)
• Appendix I Structural Alternatives Study
• Pages 193-282 (4MB .pdf)
• Appendix J Conceptual Plans
• Pages 283-360 (10MB .pdf)

Appendix Volume II (17MB .pdf)
• Appendix K Transportation Technical Report
• Appendix L Relocations Technical Report
• Appendix M Land Use Technical Report
• Appendix N Economics Technical Report
• Appendix O Social Elements Technical Report

Appendix Volume III
• Appendix P Cultural and Historical Resources Resources Technical Report and Appendices
• Pages 1-199 (7MB .pdf)
• Pages 200-300 (5MB .pdf)
• Pages 301-440 (6MB .pdf)
• Pages 441-588 (10MB .pdf)
• Appendix Q Visual Assessement Technical Report (9MB .pdf)

Appendix Volume IV (22MB .pdf)
• Appendix R Air Quality Technical Report
• Appendix S Noise Technical Report
• Appendix T Utilities Technical Report

Appendix Volume V (25MB .pdf)
• Appendix U Water Resources Technical Report
• Appendix V Fish, Wildlife, and Vegetation Technical Report
• Appendix W Geology and Soils Technical Report

Appendix Volume VI
• Appendix X Hazardous Materials Technical Report and Appendices
• Pages 1-173 (8MB .pdf)
• Pages 174-347 (10MB .pdf)
• Pages 348-520 (15MB .pdf)
• Pages 521-694 (13MB .pdf)