I-495 Bridge Closes in Delaware Due to Shifting Support Columns
Delaware officials on Monday ordered the emergency closure of the Interstate 495 bridge over the Christina River in Wilmington after discovering that four support columns are tilting.
The 4,800-foot bridge normally carries about 90,000 vehicles a day on I-495, which diverts traffic around the city of Wilmington and toward the Port of Wilmington. The route parallels Interstate 95, which runs through downtown Wilmington.
Workers placed sensors on the four columns Monday to help engineers determine whether they are still shifting. “By tomorrow early afternoon we should have some data that will tell us, ‘Is the bridge continuing to move or has it stopped?'” Bhatt said.
Read more via SFGate