Monitoring Bridges for Signs of Trouble Originally constructed in the 1920s, the Lake Champlain Bridge was the only bridge connecting New York and Vermont within 100 miles. But after 80 years of operation, engineers had a sneaking suspicion deterioration was taking its toll. The Challenge Engineers needed a fast, simple and cost-e?ective way of determining the safety of the Lake Champlain Bridge. If a replacement was needed, the safety of workers and civilians needed to be guaranteed throughout the process. The Solution HNTB, an architecture, engineering, planning and construction ?rm relied on the CX1 structural response monitor to track temperature, wind and pier movement, as well as sustained environmental and manmade elements. The versatile, all-in- one device continuously mounte

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