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 ODOT Seismic Design


2004 ODOT Seismic Design Maps (PDF):
Seismic Design Examples (PDF):

Other Materials:

ODOT Research Report SPR 361
 Oregon Highways_Seismic_Plus_Report, October 2014 (PDF) Report by Bridge and Geo-Environmental Section in Technical Services Branch at Oregon Department of Transportation.
Seismic Vulnerability of Oregon State Highway Bridges, November 2009 (PDF). Mitigation Strategies to Reduce Major Mobility Risks by Bridge Section Oregon Department Transportation.


FHWA Seismic Retrofit Manual 


SEISMIC RETROFIT MANUAL for Highway Structures

Part 1-Bridges (PDF), January 2006 Publication No. FHWA-HRT-06-032
Part 2-Retaining Structures, Slopes, Tunnels, Culverts, and Roadways, (PDF), August 2004 Publication No. FHWA-HRT-05-067

Seismic Retrofit Guidelines for Complex Steel Truss Highway Bridges (PDF), June 2006