Bridges missed last year's game as a rookie but shot 8-of-12 from the floor with five assists on Friday. He appeared to tweet out some motivation at halftime.
The 21-year-old's highlight of the night came late in the third quarter, when he fed himself off the backboard for a dunk.
Williamson used garbage time to try and nail down a couple of ferocious dunks that didn't connect.
Williamson's college teammate RJ Barrett had a game-high 27 points for Team World.