Cracked Dream

New South Wales spent ten years and $50,000,000 to build "Sydney's Dream," the world's largest single-arch bridge, across Sydney harbor. Three months ago "Sydney's Dream" was opened with official pomp, unofficial commotion (TIME, March 28). Last week it gave promise of becoming Sydney's nightmare. Large cracks appeared in the roadway, running both transversely and longitudinally. The bridge is paved with a coke compound. The compound contains sulphur. Engineers examining the paving, which was laid on a steel deck, found that the sulphur is setting up a chemical reaction which, if unchecked, must cause the steel deck rapidly to corrode.

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