The South Carolina Department of Transportation is closing I-385 south at the Gateway project this weekend.

A detour will be in place from Friday night to Monday morning rerouting traffic from I-385 southbound to I-85.

Beginning at 9 p.m. Friday, Aug. 23, I-385 south will close to allow for a traffic shift to a new bridge over I-85.

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Traffic on I-385 south will be detoured at exit 36B to I-85 south before turning around to I-85 north at Mauldin Road and directed back to I-385 south at exit 51B.

The detour will be clearly marked.

I-385 south is expected to reopen Monday morning.