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... they just float away.
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In the shadow of one of last century's greatest civil projects, designers and engineers forged a bypass out of river and rock in one of the nation's most unforgiving environments. Here's how they did it.
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Using prefabricated wood, steel, and concrete to speed bridge construction.
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A Florida beach town revitalizes its central business district.
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Despite spending more than ever on maintenance, states face difficult budget decisions as one quarter of the nation's bridges are deficient or functionally obsolete.
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Oregon DOT solves mobility challenge with bridge-jacking.
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Fiber-reinforced plastic combined with steel and concrete provide lightweight but durable structures.
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