A Chattanooga, Tennessee man died Sunday afternoon in a motorcycle crash on Interstate 90 south of Montrose, in McCook County.

The South Dakota Highway Patrol says it happened as 71-year-old David Carl Nowading was eastbound on his motorcycle around 1:11 p.m.

A passenger on the motorcycle said Nowading slowly drifted to the right and struck the guard cable near exit 374. He lost control of the motorcycle and it flipped end over end before coming to a rest in the passing lane.

Nowading had died at the scene by the time help arrived.

There was no word on whether he was wearing a helmet.

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