So when I came to work this morning the radio was playing "Ode to Billie Joe" by Bobbie Gentry. I asked the night shift officer what he thought the girl singing and Billie Joe had thrown off the bridge. He stated that he didn't know but had often wondered himself. We discussed the various possibilities for a couple of minutes before he got out of the car.
According to Wikipedia, we're not the only ones who have wondered what got thrown off the bridge. Apparently it was big news at the time the song was originally released and even involved police questioning. There seems to be no clear answer as to what Bobbie Gentry meant when she wrote the song and she has never cleared the matter up very well either.
So, what did get thrown off the bridge? Did that have any connection to Billie Joe's later jump? What is your theory?