Millipede. Backyard bug. Ran the pic by the folk on bugguide for a general id. I guess there are alot of millipede species out there.
ID based on discussion on BG here: http://bugguide.net/node/view/26414
These have become annoying abundant in this wet spring.
Millipedes are myriapods of the class Diplopoda that have two pairs of legs on most body segments. Each double-legged segment is a result of two single segments fused together as one (the name "Diplopoda" comes from the Greek words διπλοῦς (diplous), "double" and ποδός (podos), "foot"). Most millipedes have very elongated cylindrical or flattened bodies with more than 20 segments, while pill millipedes are shorter and can roll into a ball, like a pillbug.