The scientific tourist #156 — the Moore Creek bridge

So how do you build a bridge that not only crosses a canyon, but in the process crosses an active fault line too?

Moore Creek Bridge

In Alaska, the builders of the Moore Creek bridge faced just that conundrum — and they solved it by suspending the bridge entirely from one side of the canyon (in this case, the left / south side of the gorge). There are some bearings on the north side of the bridge to help support its weight, but otherwise that end of the bridge is free to move as it pleases.

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