Career
He made his international test debut at the age of 27 on 4 June 1995 during the 1995 Rugby World Cup. Culhane amassed an impressive 45 points during his debut, a world record for first class test rugby that still stands today, slotting 20 of 21 conversion attempts and scoring a try. He lost his place in the starting line-up for the next match to first-choice Andrew Mehrtens.
He currently coaches Rugby Southland in the New Zealand National Provincial Championship.
He also played for Southland in the Hawke Cup.