The Oregon Department of Transportation’s I-205 Improvements Project involves some challenging engineering on the Abernethy Bridge, across the Willamette River south of Portland. This stretch of I-205 carries more than 100,000 vehicles daily and needs a major upgrade to become a “seismically resilient lifeline” in the event of a Cascadia Subduction Zone earthquake, according to the Oregon DOT. Many local contractors are delivering large amounts of material and equipment by road to designated drop-off zones, but WCT Marine, at the Hyak Tongue Point shipyard in Astoria, is using the river itself to ship dozens of steel pilings to support temporary…