I-585/US-176 Widening & Reconstruction

Spartanburg, South Carolina

“2007 CAGC Pinnacle Award” winner
Contract Amount: $34.8 million

This major project for the South Carolina DOT involved the widening and upgrading of five miles of US-176 and the reconstruction of the I-585 interchange in Spartanburg County, South Carolina. The scope of the project included five bridges, new ramps, frontage roads, and mainline arterials. At completion, more than 416,000 CY of earth was moved, and 194,000 tons of asphalt was placed.

The bridge portion of the project consisted of 3-phased reconstruction of bridges over the I-85 Business corridor, continuous steel integral cap flyover bridge, three new single-span Modified Bulb Tee girder bridges with MS walls, and temporary shoring. Bridge foundations consisted of H-Pile and drill shafts. The project included staged demolition of two cast-in-place concrete girder bridges over major highways using lane closures and pacing operations.

This project was also a gateway project for the University of South Carolina Upstate, and Sloan Construction worked in close coordination with university officials and the general community during the construction phases.

This project met all incentive dates set by the SCDOT, and ultimately was awarded the 2007 AGC Pinnacle Award for “Best Heavy Highway Project.”

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