The league leaders were unbeaten after seven games in the Principality Building Society Premiership and were looking to become the first side to win at Newport for more than two years. But Daniel Griffiths was the hero for the Black and Ambers with a 17-point haul including a conversion of Matthew Thomas's try in the 22-10 win. Geraint John scored Bridgend's try.
That allowed the chasing pack to wipe out the Ravens three-point lead at the top of the table.
Neath hammered Pontypool 31-5 with promising prop Cai Griffiths scoring the last of their four tries.
Dafydd Lockyear and Wayne Evans both crossed twice at Pontypridd hit Carmarthen Quins for six in their 40-20 win at Sardis Road.
Aberavon's Jamie Davies kicked 18 points in their emphatic 43-15 win over Ebbw Vale.
Llanelli edged out rivals Cardiff 15-7 at Stradey Park.
WRU International Skills Coach Jason Strange is a busy man, combining the new role with that of Wales Under 20 attack coach, Ebbw Vale head coach and continuing to teach at Ebbw Fawr Learning Community.
Warren Gatland and Sam Warburton look ahead to this week's crunch RBS 6 Nations tie against France, where the Wales skipper in particular is keen to make his mark, as Paris has proved a bleak place for him in the past.
Following their historic win over England, Wales Under 20 suffered a narrow, 36-34 loss to their Scottish counterparts last weekend, despite outscoring them by five tries to three. Watch the match highlights and reaction.
WRU TV go behind the scenes with the Wales squad as they put the final touches in place ahead of the clash against Scotland at Murrayfield. Follow the squad on their captain's run, the kickers visit to Murrayfield and Neil Jenkins' press conference