The Ravens claimed the victory, and with it the psychological advantage as they prepare for their Principality Cup match-up next weekend.
In all the home side outscored their guests by six tries to two.
Newport took the lead with a Percy Montgomery try which he concerted, but that lead lasted a matter of minutes as Bridgend's early nerves subsided.
Raven's outside-half Craig Warlow scored a picture book try, and Gareth Cull notched five penalty goals to put Bridgend into the break leading 20-10, a Montgomery penalty goal was the only reply.
The second half saw a Bridgend try blitz, with Warlow scoring his second try before Matt James, Nathan Budgett, Maama Molitika and Chris Horsman got their names on the scoresheet.
A late as Newport rally saw tries by Llyr Lane and Jon Pritchard. Newport's South African fullback Montgomery weighed in with 18-points, but it was never going to be enough to topple a determined Bridgend side.
Meanwhile, Cardiff easily overcame Swansea 44-22 at Cardiff Arms Park.
Bridgend (20) 56 Newport 30 (HT 20-10) Att: 3,000
Bridgend: Tries: D James, Warlow 2, Budgett, Molitika, Horsman. Cons: Cull 4. Pens: Cull 6.
Newport:Tries: Montgomery, Pritchard, Lane. Cons: Montgomery 3. Pens: Montgomery 3.
Cardiff: 44 Swansea 22 (HT 15-7) Att: 4,500
Cardiff:Tries: Van Vuuren, Morgan, Smith (2), J Robinson, R Powell, TaitCons: N Robinson (3), HornerPens: N Robinson, Horner