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4M Pounds Zip into Place

Friday, August 1, 2014

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Blink, and you might have missed the recent replacement of two Connecticut highway bridges.

It took just one weekend closure of Interstate 84 in Southington to replace and install two new 102-foot-long bridges weighing two million pounds each.

And the $6 million job came in early, to boot.

CTDOT via YouTube

It took a weekend, not 98 seconds, but the replacement of the I-84 bridge in Connecticut went quickly.

Credit, once again, the Accelerated Bridge Construction process used by the state's Department of Transportation and contractor Northern Construction Service LLC, officials said.

Like other states, Connecticut has enthusiastically turned to ABC before, but this was the first time the technique had been used on a large-scale construction project. The I-84 bridge contract was awarded June 7, 2013.

The project was scheduled for completion in July 2014. But the new superstructures, built adjacent to their 50-year-old predecessors, were lifted into place over the weekend of June 28-29.

'Creative Approach'

CTDOT marked the occasion with the release of a time-lapse video of the replacement

I-84 - Southington CT

The I-84 bridge replacement was not Connecticut's first Accelerated Bridge Construction project.  But it was the largest, and it won't be the last, DOT officials say.

Said Gov. Dannel Malloy: "By employing ABC principles, CTDOT took a creative approach to virtually eliminate what would have been many months or even years of traffic disruptions and congestion on I-84 and the local roads surrounding the project."

CTDOT high-fived the weekend replacement project in a statement, saying, ""While not every bridge project is suitable for ABC, CTDOT will continue to use this technology in other locations around the state after the success of this major bridge replacement."


Tagged categories: Bridges; Construction; Contractors; Department of Transportation (DOT); Government contracts; Rehabilitation/Repair

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