Bradstreet made his debut for Illawarra in Round 1 of the 1997 season against South Sydney which ended in a 50–10 victory at WIN Stadium. At the end of the season, Illawarra finished in 6th position and qualified for the finals for only the second time in their history. Bradstreet played for Illawarra in their elimination final loss against the Gold Coast at Parramatta Stadium.
In the 1998 season, Bradstreet made 10 appearances and played in Illawarra's final game as a stand-alone entity which was against Canterbury in Round 26 1998 at WIN Stadium. Illawarra lost the match 25–24. For the start of the 1999 season, Illawarra formed a joint venture with St. George to become known as the St George-Illawarra Dragons. Bradstreet was not offered a contract with the new team.
Bradstreet then joined the London Broncos in England and played two seasons with them before retiring.[2]