Kiewit Keeps to Tight Schedules BY SARAH REDOHL
In June 2020, Kiewit Infrastructure South Co. finished the reconstruction of I-440 in Nashville, the largest project in the history of the Tennessee Department of Transportation.
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In June 2020, Kiewit Infrastructure South Co. completed the largest project in the history of the Tennessee Department of Transportation—a month ahead of schedule. The $154.8 million reconstruction project took place on I-440, a 7-mile connector loop that runs south of downtown Nashville. “Nashville is one of the fastest growing cities in the country, with an average of 100 people moving to the city every day,” Kiewit Project Manager Jordan Gregg said. “The I-440 corridor is a major artery used for commuter traffic in the city and sees a daily traffic volume in excess of 100,000 vehicles per day.” In addition to expanding the roadway to accommodate Nashville’s growing population, the road had reached the end of its service life.
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“The life-cycle of the existing concrete pavement had expired, and the roadway had become dilapidated and laden with potholes,” Gregg said. The existing I-440 corridor was constructed in the mid-1980s and consisted of two lanes of 10-inch jointed concrete pavement in each direction, separated by a raised grass median to provide a parkway feel. As the prime contractor, Kiewit widened the existing corridor into the grass median, adding a third lane in each direction, with final separation provided by a concrete median wall. The existing pavement was rubblized and overlaid with asphalt. The project also included widening three bridges by one lane in each direction and bridge deck repairs and overlays; installation of upgraded and additional storm drainage; placement of new
