It seems that there are anywhere from 70-150 calories per breadstick depending on if you eat them out like at Olive Garden or Pizza Hut or make your own. Olive Garden's breadsticks have about 140 calories per breadstick, and Pizza Hut's breadsticks have about 150 calories per breadstick.
Here is a great recipe for making your own Soft Breadsticks: http://www.cooks.com/rec/view/0,1654,135178-255198,00.html
