Massive East Coast Bridge Shut Down
June 5, 2014 by staff
Massive East Coast Bridge Shut Down, Delaware transportation department officials have examined aerial images as they investigate a mountain of dirt that grew to about two stories high and 100 yards long over the past few years, possibly causing an interstate bridge just a few yards away to tilt.
Engineers think that as a contractor dumped more and more dirt next to Interstate 495 bridge, the ground shifted under the weight and caused the bridge columns to start tilting. The bridge, a bypass that helps alleviate congestion on I-95 through Wilmington, Delaware, and normally carries about 90,000 vehicles daily, has been closed since Monday. It will be at least several weeks before it is reopened.
Gov. Jack Markell planned to visit the site Thursday. As questions mounted, state officials said part of the dirt pile appeared to be on state land, and that a fence that once cordoned off the government’s property had been removed.
“In 2012, there was some stuff out there but not very much; in 2013, a little more,” Transportation Secretary Shailen Bhatt said of Google Earth images showing the mound grow. “Right now obviously there’s a lot more dirt.”
The contractor is working with state officials to remove the dirt from the site, which he was allowed to use under an arrangement with a company that leases land next to the bridge.
“I have absolutely no idea what happened, I really don’t,” said James Thomas Jr., 60. “I’m not a structural engineer. I’m not a bridge engineer.”
Officials have said a system to shore up and brace the bridge will have to be designed, which will take weeks. State officials do not have an estimated price tag but have indicated they might seek federal funds to help pay for the repairs.
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