Weeks ahead of schedule, Delaware officials Thursday afternoon reopened the southbound lanes of the I-495 bridge that spans the Christina River in Wilmington.
The bridge’s concrete piers had started to lean sideways after a construction company stored 50,000 tons of dirt at its feet, compressing the soft, underlying soil.
Contractors have been working night and day to fix the problem since early June, first removing the dirt, then drilling 150-foot shafts to accommodate new underground concrete supports, and finally erecting steel towers so the bridge could be jacked back into a level position.
The northbound lanes are expected to reopen within two to four weeks after additional repairs are made, said Geoff Sundstrom, a spokesman for the Delaware Department of Transportation.
Read more at http://www.philly.com/philly/business/transportation/20140801_I-495_southbound_reopens_in_Delaware_.html#RVyzrRJA6kuxf6r3.99