Sorry to say, but as in the above post you have next to zero chance.
The island is more than likely to meet the minimum requirements stated in the Austroads/RTA road design guide..
It has been put there for a reason.. and not to seem rude or anything, but thank your lucky stars that there wasnt a car coming the other way and you ended up into it..
sorry bud but your better off copping it on the chin and just getting the car fixed through insurance/out of your pocket and driving more cautiously in the rain