An early exchange of penalties between fly-half Tom Harrison for the visitors and wing Jack Arthur for Bridlington saw early honours shared at 3-3 before a further Arthur kick nudged the home side 6-3 ahead.
The lead was short-lived and a try from centre Craig Farrell in the 20th minute grabbed the lead for the visitors at 8-6.
Full-back Oliver Stephenson kicked Bridlington ahead with a penalty but Harrison opened a gap between the sides with a try and conversion for a 15-9 half-time lead.
Tries early in the second half by right wing Stephens and centre Martin saw Bridlington lead 19-15.
Harrison cut the lead to a single point with a penalty on the hour after which both sides had opportunities to win the match.
Following a full-blooded final quarter, the game was settled by an injury-time penalty from Jack Arthur and Bridlington survived a few scares to hold on for a 22-18 win.
FULL REPORT BY DAVE CAMPBELL AND PICTURES BY ANDY STANDING IN THURSDAY’S SCARBOROUGH NEWS