When I was in college I frequently visited home (a small town in Nebraska). One particular night I was driving to Hastings, to go visit some friends there, I think we were picking up some food and just hanging out. After our hangout, I begin my drive home from Hastings to my home town. In order to get there, I have to take highway 6 which runs through and parallel to many towns there. On this night, it was dark, maybe around 10:30 pm and once you leave the limits of Adams County, where Hastings is located in, the highway is rather dark. I was afraid of hitting a deer on my way back and was driving slower with my high beams on. As I'm driving paying attention to my surroundings, I see what looks like a large bird sitting perched on a telephone post. Best description of the bird would be a very large vulture, but you could only see its outline, it was too dark to see details. This "large bird" was just sitting on the top, minding its own business. As I approach it, I realize this bird is larger than any birds of prey in the area and it actually looks more like a 6 foot person sitting, perched on top of this post. I slowed down even more and began to pull over because at this point my curiosity had gotten the best of me and I wanted to get a good look at what kind of bird this was. As my car is coming to a stop and as I'm rolling my passenger widow down, the bird lifts its large beak and head and takes off. The creepy thing was that it looked like it was a really tall person, maybe 6 feet, and its wing span was at least the length of my car. At that time I drove a 2002 mustang so it wasn't a small car but you get the idea. The thing that left me even more perplexed was that the wings weren't with feathers, but looked like huge bat wings. At least by the texture and bone structures that you could see. The creature was completely dark and as it flew away, I drove off scared out of my bones home. Never seen anything like that ever again. But I am certain it wasn't an animal.