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California’s wildlife bridge became a target for the right. Now it’s eyeing the finish line
(www.theguardian.com)
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Why would it be cheaper per area when it's got so much more load?
I was talking about width versus cost per area of bridge. There are fixed costs to building a bridge and bridges with longer spans usually cost more than bridges with shorter spans above a certain minimum span length. However, for width, you only need to pay the additional cost of making the bridge wider while the costs of building a bridge at all get spread across more area.
I see.
Well, I'm sure if you dug down into California's budget you could find it.