Just why not really? A carrot cake bread sounds devine. Though I'm not sure why you'd want to make it into a bread, I don't see why you wouldn't either. Personally, I would leave out the strong spices and perhaps just make a carrot and raisin bread. I think the idea is a good one, but I shall have to see how the practical goes.
Carrot Cake Breakfast Bread on MyRecipeMagic.com: this is the perfect treat for a spring breakfast or brunch! It sounds decadent, but it's full of healthy ingredients and it's a delicious way to start your day.