Sonar technology helps Virginia DOT monitor river bottoms

The Virginia Department of Transportation Hydrographic Team is using sonar equipment to get a detailed look at river beds and other bodies of water located near the state's bridges and tunnels. The technology is being used to detect underwater channel obstructions and erosion that could threaten bridges' integrity. It also could be used to develop construction plans, according to this article.

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Daily Press (Newport News/Hampton, Va.) (free content)

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