The following are studies and reports related to design concepts that have been previously considered by the Alaskan Way Viaduct program.
Bridge
Retrofit
- Retrofit Technical Analyses Table of Contents and Conclusions (pdf 77 kb)
- Seismic Vulnerability of the Alaskan Way Viaduct: Summary Report, Washington State Transportation Center (TRAC), July 1995 (pdf 63 kb)
- Alaskan Way Viaduct: Report of the Structural Sufficiency Review Committee, June 2001 (pdf 503 kb)
- Alaskan Way Viaduct Phase 1 Retrofit Option Report, American Society of Civil Engineers Review, July 2002 (pdf 50 kb)
- Rebuild/Retrofit Alternative Report, Parsons Brinckerhoff, August 2002 (pdf 475 kb)
- Rebuild/Retrofit 500, Parsons Brinckerhoff, April 2003 (pdf 4.5 Mb)
- Rebuild/Retrofit 500, Appendix B: Preliminary Deep Foundation Engineering Analyses, Existing Piles, Alaskan Way Viaduct Project, Shannon & Wilson, January 2003 (pdf 925)
- Alaskan Way Viaduct Summary: Safety and Service Limitations of the Alaskan Way Viaduct, 2005 (pdf 118 kb)
- Proposed Retrofit of Alaskan Way Viaduct Using Fluid Viscous Dampers: Preliminary Phase, Miyamoto International, Inc., July 2006 (pdf 8.9 Mb)
- Evaluation of Gray’s Retrofit Proposal, T.Y. Lin International Review, July 2006 (pdf 5 Mb)
- Additional Retrofit for Gray’s Modified Proposal, T.Y. Lin International review of modified retrofit proposal, November 2006 (pdf 614 kb)
- Report of the American Society of Civil Engineers Review Committee, December 2006 (pdf 36 kb)
- Cost Comparison between Elevated Structure and Gray Retrofit, December 2006 (pdf 47 kb)
- Cost Comparison between Elevated Structure and Gray Retrofit, with comments from Victor Gray, December 2006 (pdf 197 kb)
- Seismic Vulnerability Analysis Report, Parsons Brinckerhoff, November 2007 (pdf 3.9 Mb)
- Alaskan Way Viaduct: Evaluation of Seismic Retrofit Options, KPFF Consulting Engineers, September 2008 (pdf 466 kb)
- Stakeholder Advisory Committee Retrofit Presentation, July 17, 2008 (pdf 1.6 mb)
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