Noticing new things

Looking over the river today, I noticed the bridge for 95. Every day I look out the window and I probably see it. It isn't especially hidden. I knew conscientiously from the bridge that you can see the building in which I work. So how odd that I have never noticed it or looked for it before. How many things do I look at every day, how many people do I look at every day and not see them. Not even see them, let alone notice the intricate details of their existence. I am that unobservant? Are we that overwhelmed with stimulus that we can't even begin to process it all. Do I use we inappropriately and this is my unique problem?