Three people were arrested Friday in connection with a raging fire that collapsed an elevated portion of Interstate 85 in Atlanta, Ga., and shut down the heavily traveled route through the heart of the city.
Deputy Insurance Commissioner Jay Florence said Basil Eleby faces a charge of criminal damage to property, and Sophia Bruner and Barry Thomas each were charged with criminal trespass.
“We believe they were together when the fire was set and Eleby is the one who set the fire,” Florence told The Atlanta Journal-Constitution.
Florence would not discuss how the fire was started or why, saying those details would be released as the investigation progresses.
Traffic was bumper to bumper on streets near the shut-down portion of the interstate as drivers were forced to take a detour the day after the blaze.
The collapse took place a few miles north of downtown, and the effects could fall most heavily on commuters from Atlanta’s densely populated northern suburbs. They will have to find other routes to work or ride mass transit.
Connie Bailey-Blake, of Dacula, 37 miles northeast of Atlanta, waited for a MARTA commuter train to reach her job downtown. She typically drives, often by way of the interstate.
“I’m supposed to be at work at 9 a.m. and it’s 9:15 a.m.,” Bailey-Blake said. “The first few days are going to be difficult. This will be my new life.”
Amelia Ford picked a new route to work by car and said it took her 45 minutes to travel 3 miles from her Atlanta home to the nearest open on-ramp to the interstate.
Georgia Transportation Commissioner Russell McMurry said 350 feet of highway will need to be replaced in both directions on I-85, which carries about 400,000 cars a day through the city and is one of the South’s most important north-south routes.
He said repairs will take months but declined to be more specific.
The collapse effectively “puts a cork in the bottle,” Georgia State Patrol Commissioner Mark McDonough said.
The fire broke out Thursday afternoon in an area used to store state-owned construction materials and equipment, sending flames and smoke high into the air. Fire authorities said they had not determined how the blaze started.
McMurry said his department stored coils of plastic conduit used in fiber optic networks beneath the span but insisted they were noncombustible.
No injuries were reported from the fire and collapse. Firefighters shut down the section of highway before it gave way, and made it to safety themselves after hearing the road cracking and seeing concrete go flying, authorities said.
In the meantime, MARTA increased rail service and said additional staff would be on hand to help passengers figure out how to get where they’re going.
U.S. Transportation Secretary Elaine Chao promptly released $10 million for the initial repair work, and the Federal Highway Administration promised more in emergency repair funds. Officials gave no estimate of how much the job would cost.
Built in 1953 and renovated in 1985, the span scored high in its most recent inspection, receiving a rating of 94.6 out of 100 in 2015, said Natalie Dale, a spokeswoman for the Georgia Transportation Department.
Lauren Stewart, director of the Structural Engineering and Materials Laboratory at Georgia Tech in Atlanta, said intense heat can compromise even steel-reinforced concrete.
“With fires, especially fires that burn for long periods and with high heat, you can see structures, anything from buildings to bridges, can have their material properties degrade,” Stewart said.
It’s happened before. In 1996, a fire in a big pile of tires beneath I-95 in Philadelphia left a span too weak to handle cars, forcing authorities to shut down 4 miles of the busy East Coast route for repairs.
Andy Herrmann, a retired partner with the New York-based engineering firm Hardesty & Hanover, said there have also been a few instances of gasoline trucks crashing and causing intense heat that damaged overpasses.
In one example, a tanker carrying 8,600 gallons (32,550 liters) of gasoline ignited after crashing into a guardrail on an interchange connecting Interstate 80 to Interstate 880 in Oakland, California. Heat from the flames exceeded 2,750 degrees and caused the steel beams holding up the overpass to buckle and bolts holding the structure together to melt, officials said at the time.
Herrmann said concrete will undergo severe cracking at about 1,500 degrees Fahrenheit and start disintegrating at higher temperatures. Building roads to withstand such heat would be prohibitively expensive, he said.
“We have limited dollars for maintaining our bridges,” Herrmann said. “This is such a rare thing to occur.”ia; and Kevin McGill and Rebecca Santana in New Orleans contributed to this report.
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