Bridgewater Associates founder Ray Dalio said on Friday that the U.S. economy is now at or near its best.

Dalio contended that he sees no significant risks over the next two years. However, he cautioned that high debt and non-debt obligations create uncertainty in the long run.

He also warned the next economic downturn is likely to be "particularly nasty."

Bridgewater is the world's largest hedge fund firm.