The Tennessee Department of Transportation reached the halfway mark on the ongoing bridge repair work on Interstate 24.
Crews have worked for a total of seven weekends to install concrete panels.
TDOT officials said four separate crews are working around the clock during the weekend on the project despite the intense heat.
The $8.6 million project is expected to be complete August 31.
- April 9, 2012: TDOT project to close I-24 for 13 weekends