Looked to be Cooper's based on size, head and feet
One of three observed with two being smaller in size at about 1:15pm along the utility corridor.
I had a cell phone in hand, so got a few blurry shots.
iPhone 3GS photo. Snake in lane of highway - picked up and felt muscles contract in response, but very little reaction as I picked it up and moved it off the road to a culvert and rocky area about 15 feet from road.