When you hear about a plastic bridge, you probably think of something from Legoland.  But according to a recent article in the Washington Post, such a plastic bridge is already a reality in the new jersey pine barrens, where scientists recently created such a structure made out of, believe it or not, recycled soda bottles, coffee cups and other such refuse.  The experimental bridge is about 56 feet in length and, while not yet ready for heavy traffic, has been faithfully carrying vehicles over the Mullica River for more than a year.  Its benefits, when all is said and done, are quite impressive; as the new material weighs less, requires less maintenance, and very importantly, costs about a quarter as much as an equivalent wooden bridge.

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