The automobile went below the bridge and sliced by means of a number of the metal reinforcement strands within the exterior beam, Paul Degges, the division’s chief engineer, advised reporters. A concrete rail helped assist the broken beam however in the end it collapsed, he mentioned.
“We do not consider that the failure of the beam was a problem with the design of the bridge or upkeep exercise,” Degges mentioned.
He mentioned officers do not know who hit the bridge. The division’s cameras do not maintain a recorded historical past of footage, he mentioned.
One particular person was injured after the concrete railing part fell from the bridge on Monday, shutting down two interstate ramps.
The bridge collapse occurred on the Interstate 75 North and I-24 West cut up, based on Chattanooga police. The railing from I-75 fell onto the I-24 ramp, based on the state DOT.
Chattanooga Mayor Andy Berke mentioned on Twitter the I-75 and I-24 cut up is “probably the most closely trafficked intersections within the nation.”
TDOT tweeted that everlasting repairs “will take weeks.”
A ‘as soon as in a lifetime accident’
The Chattanooga Fireplace Division shared images that confirmed a blue automotive crushed by big slabs of concrete.
A spate of latest overpass issues
The Chattanooga accident follows two latest high-profile collapses of overpasses.