One year later: Watch time lapse video of Atlanta I-85 bridge replacement

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Georgia transportation planners have finished a revolutionary construction project unlike any in the nation. And it has nothing to do with the I-85 collapse.

On March 30, 2017, Atlanta watched live as a fire under I-85 near Piedmont Road caused a large portion of the bridge to collapse. It created one of the city's worst traffic situations and exposed the vulnerability of a congested city.

As reconstruction began on 350 feet of lanes in both directions, commuters negotiated alternate routes to get to work, including jumping on a MARTA train for the first time. Drivers were prepared to be inconvenienced until mid-June, but northbound lanes opened May 12 — a full month ahead of schedule — and southbound lanes opened the next day.

The construction-related costs included $11.9 million to build the new bridge, $1.6 million for demolition of the old one and up to $3.1 million in incentives for contractor C.W. Matthews to complete the work before June 15, The AJC's David Wickert reported last year.

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