MEMPHIS, Tenn. — Repairs to the Interstate 40 bridge linking Arkansas and Tennessee could take months after a crack was found in the span, forcing thousands of trucks and cars to detour and shutting down shipping on a section of the Mississippi River, a transportation official said on Wednesday, May 12.
A congressional Democrat from Tennessee flagged the crack as a warning sign of the urgent need to act on fixes to the nation’s infrastructure. Republican U.S. senators also pointed out the need for infrastructure spending while criticizing Biden’s plan.
The six-lane bridge into Memphis was shut down in the afternoon of May 11 after inspectors found a “significant fracture” in one of two 900-foot (274-meter) horizontal steel beams that are crucial for the bridge’s integrity, said Lorie Tudor, director of the Arkansas Department of Transportation.
Both states’ transportation agencies said they would make sure the 48-year-old, 1.8-mile bridge is safe before reopening.
“This fracture had the potential of becoming a catastrophic event that was prevented by our staff’s diligent effort in managing our bridge inspection program,” Tudor said.
Traffic is being rerouted to Interstate 55 and the 71-year-old Memphis & Arkansas Bridge, about 3 miles south.
River traffic was also shut down in the Memphis area until further notice, the Tennessee Department of Transportation said. The U.S. Coast Guard said 16 tugboats hauling more than 220 barges were waiting in line on May 12.
The closure is creating traffic congestion in Memphis and in neighboring West Memphis, Arkansas. DeWayne Rose, West Memphis’ emergency manager, said officials there are using contingency plans to get trauma patients to facilities in Memphis or to other nearby hospitals.
“People around this area are used to lane closures, they’re used to construction, they’re used to shutdowns, and I think everyone is just a little on edge because of the uncertainty of the time frame of this,” Rose said.
Road crews were poised to remove any cars that crash or otherwise become stuck on the four-lane I-55 bridge. The next nearest Mississippi River crossings are about 60 miles to the south near Lula, Mississippi, and 100 miles to the north near Dyersburg, Tennessee.
Inspectors were working to determine if the I-40 bridge could hold its own weight and the weight of construction crews, said Paul Degges, chief engineer for the Tennessee transportation department. Barge traffic will not resume until engineers decide that the bridge can stand on its own, he said.
Pinpointing those factors could take days, and the repairs could last much longer, Degges said.
“Certainly, it’s plausible that this could be months rather than weeks,” Degges said during a news conference. “We are hopeful that we can find a solution that would allow us to proceed with some opening of traffic, but right now we just don’t know.”
Engineers were also investigating the cause of the crack. Fatigue of having tens of thousands of vehicles pass daily over the bridge could be a contributing factor, Degges said.
“It’s fortunate that routine inspection averted a potential disaster, but the state of our crumbling infrastructure is deeply troubling,” said U.S. Rep. Steve Cohen, a Democrat whose district includes Memphis.
Cohen said he would work in a bipartisan manner with the congressional delegations from Arkansas and Tennessee to make sure I-40 bridge improvements are included in President Joe Biden’s infrastructure proposals.
Republicans in both states said the closure highlighted the need for infrastructure spending, but not Biden’s $2.3 trillion plan, which they’ve argued is far too sweeping in its definition of public works.
“This underscores exactly what I heard from Tennesseans last week on the topic of infrastructure: investing in hard infrastructure—roads and bridges—is exactly the type of investments taxpayers will see a return on and will support,” U.S. Sen. Bill Hagerty in Tennessee said.
Sen. John Boozman from Arkansas said he prefers a plan by GOP lawmakers that instead calls for spending $568 billion on infrastructure over five years.
“I think infrastructure is an urgent need. I don’t agree with the president’s plan at all,” Boozman said.
In an inspection for the 2020 National Bridge Inventory report, the Federal Highway Administration said the I-40 bridge checked out in fair condition overall, with all primary structure elements sound and only some minor cracks and chips in the overall structure. Its structural evaluation checked out “somewhat better than minimum adequacy to tolerate being left in place as is.”
However, height and width clearances for oversize vehicles were “basically intolerable requiring high priority of corrective action,” the inspectors found. Tennessee recommended “bridge deck replacement with only incidental widening.”
Arkansas transportation officials said the crack did not appear in the last inspection of the bridge, which occurred in September 2020.
The I-40 bridge, which opened in 1973, carried a 2020 average of 35,000 vehicles a day across the river, 29% of them trucks, according to the report. Degges said the average is closer to 50,000 vehicles a day, with about a quarter being trucks. Its traffic volume was expected to increase to 56,000 vehicles a day by 2040, the report said.
“I’m not trying to be all doom and gloom, but this is a pretty dire situation for the regional economy … This is going to really create some potential problems for us,” said Republican U.S. Rep. Rick Crawford, whose district includes the east Arkansas end of the bridge.
The span also has undergone about $280 million worth of retrofitting for the possibility of an earthquake.
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