Columbia River – GeoPrac.net

News Ticker

[ October 11, 2026 ] Hexagon to Acquire Rocscience in a Big Geotechnical Software Deal Comings and Goings
[ October 11, 2026 ] Weekend CUP: Catching Up on Geotechnical News for October 2026 Weekend CUP
[ August 23, 2026 ] Living Below an Unstable Alpine Slope Geologic Hazards
[ August 23, 2026 ] Remembering J. Michael Duncan, a Geotechnical Engineering Legend In Memoriam
[ August 16, 2026 ] DFI Webinar to Cover Transmission-Line Structures and Foundation Requirements Available Resources

I-5 Bridge over the Columbia River - seismically deficient

Washington’s I-5 Bridge over Columbia River Needs Seismic Upgrade

February 15, 2011 rockman Comments Off

The timber piles of the existing I-5 bridge over the Columbia River is vulnerable to liquefaction in the event of a major earthquake. And there is no shortage of potential sources for the shaking in […]