Construction Crews Shift Their Focus to Northbound Span of I-495 - WBOC-TV 16, Delmarvas News Leader, FOX 21 -

Construction Crews Shift Their Focus to Northbound Span of I-495 Bridge

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WILMINGTON, Del.- Now that the southbound span of the I-495 Bridge is open to traffic, the Delaware Department of Transportation says construction crews have shifted their focus to the northbound span.  In the past week they were able to finish underpinning the piers needing new support closest to the Christina River and Christiana Avenue.  DelDOT says these piers are now firmly encased in a new footer on top of underground support columns.

DelDOT says shoring towers identical to those supporting the southbound lanes have been constructed under the northbound side of the bridge around piers 12 and 13, and large steel header beams are being set in place.  The department says the process of closing the holes in the northbound bridge deck - that were needed to create the support columns - is also underway.

There is some minor work being done to the southbound side of the bridge and a plan is being developed to remove piers 12 and 13, so new piers can be constructed in their place.  DelDOT says the support structure under the southbound lanes is being monitored daily and everything is performing as expected.

The southbound lanes opened July 31, two months ahead of schedule. The northbound lanes are still on track to open by Labor Day weekend.

The I-495 bridge closed on June 2 due to unsafe conditions on the bridge over the Cristina River. DelDOT says the project has an estimated cost of $35 million.

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