There has been some concern over the plastic being brought to the nest. I would like to try and lessen the worrying. The pieces of plastic will likely be blown out by the wind as soon as it picks up. There is no reason to think that the plastic will be a problem come egg laying time.
If you are not knowledgeable about Osprey you should check out a nest. There are several online. They are really messy and bring in all kinds of "garbage." Osprey egg laying is just starting in Florida. I know of one nest with an egg. The link is below.
Here are a couple Osprey Links.