BRIDGEWATER, NJ— Marriott International is scheduled to open its newly built 347-room Bridgewater Marriott on Commons Way here Apr. 2. Owned and managed by Marriott, the new property will feature 12 meeting rooms, an 8,549-square-foot Grand Ballroom, an indoor pool and health club, a lobby retail outlet, and an on-site restaurant T-Bones— A Tuscan Steakhouse.