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Minnesota using drones to scan aging bridges

January 31, 2018

According to the U.S. Department of Transportation, the country has a $123 billion bridge-repair backlog. The American Road & Transportation Builders Association said 23% of bridges are functionally obsolete or structurally deficient, while the American Society of Civil Engineers gave U.S. bridges a C+ grade in its latest Infrastructure Report Card.

Earlier this month, the Senate introduced the $75 billion Bridge Investment Act that would fund a 10-year competitive grant program aimed at repairing U.S. bridges. The proposed legislation has won support from numerous industry groups, but is so early in the process that it hasn’t yet been assigned a bill number.

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