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I-40 bridge over Mississippi River to remain closed indefinitely

Temporary repairs could take weeks to complete on span connecting Memphis to eastern Arkansas

(Photo: Jim Allen/FreightWaves)

Updated June 3, 2021 at 11 a.m. ET

Initial repairs on the Interstate 40 bridge over the Mississippi River were finished in late May. However, there’s a lot more work to be done before the bridge can reopen. The bridge connects Memphis to eastern Arkansas.

The Arkansas Department of Transportation (ARDOT) is working with consultants to conduct an in-depth inspection of the bridge that will include ultrasonic testing on all the welds in the main tie girder at similar locations to where the fracture occurred, as well as on key members of the overhead truss. ARDOT expects this highly detailed inspection to take several weeks to complete.

U.S. Secretary of Transportation Pete Buttigieg plans to visit Memphis Thursday to tour the bridge and speak with Arkansas and Tennessee officials.

The contractor for the bridge repair, Kiewit Infrastructure Group, is preparing pricing for work and fabrication of materials needed for the phase two permanent repairs. A tentative opening date for the I-40 bridge can be set after the contractor’s repairs and bridge inspection results are reviewed.

Original article:

The Interstate 40 bridge connecting Memphis, Tennessee, to Arkansas will remain closed at least several weeks for repairs.

During a May 11 routine inspection of the bridge, an Arkansas Department of Transportation (ARDOT) engineer spotted a fractured beam.

Related: Crack in I-40 bridge shuts down traffic between Tennessee, Arkansas

“We need to get people off the bridge immediately,” he warned, according to the recording of his 911 call.

ARDOT immediately shut down the bridge to avert a potential disaster. The Coast Guard closed a section of the river to vessel traffic for a few days but lifted the restriction Friday. However, the bridge remains closed to all vehicles.

“It will be a number of weeks at least until we can have a [temporary] repair in place, probably six to eight weeks minimum,” Paul Degges, Tennessee Department of Transportation lead engineer, told CNN on Thursday. “Hopefully, we can pull a rabbit out of a hat sooner, but public safety is most important. There are lots of moving parts to look at.”

TDOT is working on interim repairs, allowing time for a new bridge component to be fabricated to replace the damaged section. ARDOT continues to keep an eye on the fracture to ensure that no additional fractures are propagating from the existing section.

“We absolutely want to get the bridge open as soon as possible, but we’re not going to shoot from the hip here,” Tennessee Transportation Commissioner Clay Bright said. “We want to have the best fix, long term, to get this bridge back open.”

Damage to Interstate 40 bridge between Memphis and eastern Arkansas. Top photo is from May 2019; bottom is from May 2021. (Photos: ARDOT)

The 48-year-old bridge, also known as the Hernando de Soto Bridge, carries traffic on I-40 between downtown Memphis and rural eastern Arkansas. It’s a “vital piece of America’s infrastructure for moving traffic and freight around the country,” as described by Memphis’ WMC-TV. According to transportation officials, the average daily traffic for the bridge was 35,000 to 45,000 vehicles. Trucks made up 25% to 29% percent of that volume.

The Interstate 55 bridge is the only way to quickly get around the I-40 bridge closure. Tennessee I-40 westbound drivers should take the I-55 bridge across the Mississippi River into Arkansas, then take Exit 4 to get back onto I-40 westbound. This is only a few miles out of the way. Because most drivers will likely continue taking this detour, they should expect significant delays at times.

Another route is the Interstate 155 bridge through Dyersburg, Tennessee, but this is 90 miles north of the I-40 bridge. Drivers could also take the U.S. Highway 49 bridge through West Helena, Arkansas, but this route would take them 70 miles south of the I-40 bridge.

The de Soto Bridge was last inspected by ARDOT in September 2020 and by contractors in May 2019. The crack was not reported in either inspection.

Related: Vessel traffic flowing again on Mississippi River under I-40

ARDOT confirmed last week that an image captured by an inspector’s drone, taken during the 2019 inspection, shows a crack in the same area of the fracture that led to the recent shutdown.

Director Lorie Tudor said in a press conference Monday that the drone video was five hours long, and the crack appeared for less than one second. So nobody noticed it back then. She added that the 2019 inspection was focused on cables and rods above the bridge, and she does not blame the contractors for missing the damage underneath.

“The fault lies with ARDOT, that we didn’t discover it during our normal inspection process [in 2020],” Tudor said.

Tudor explained that the next step in reviewing this failure is to make sure this problem is not systemic.

Click here for more FreightWaves articles by Nick Austin.

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One Comment

  1. Robert Benoit

    They don’t fault the contractor for missing it. Seriously what are they inspecting if they don’t examine the whole bridge. This is why bridges collapse. Oversight by the inspection team.

Comments are closed.

Nick Austin

Nick is a meteorologist with 20 years of forecasting and broadcasting experience. He was nominated for a Midsouth Emmy for his coverage during a 2008 western Tennessee tornado outbreak. He received his Bachelor of Science in Meteorology from Florida State University, as well as a Bachelor of Science in Management from the Georgia Tech. Nick is a member of the American Meteorological Society and National Weather Association. As a member of the weather team at WBBJ-TV in Jackson, Tennessee, Nick was nominated for a Mid-South Emmy for live coverage of a major tornado outbreak in February 2008. As part of the weather team at WRCB-TV in Chattanooga, Tennessee, Nick shared the Chattanooga Times-Free Press Best of the Best award for “Best Weather Team” eight consecutive years.