Officials monitor infrastructure with high-tech sensors

10/18/2010 | Chicago Tribune (tiered subscription model)

High-tech sensors let transportation officials remotely monitor the safety of the country's outdated roads and bridges. Fiber-optic technology measures soil erosion, cracks, strain and other risks to bridges in order to prevent potentially fatal accidents. This article takes an in-depth look at the monitoring of the bridge over Salt Creek in Elmhurst, Ill.

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