What Has Happened with U.S. Bridges in the 10 Years Since the Minneapolis I-35W Bridge Collapse?
States have devoted significant resources to bridge work, ARTBA says. The value of bridge construction increased 39 percent, from
Despite the ramp up in investment, it has not been enough to keep up with the nation's bridge needs.
In 2016, there were 55,710 structurally compromised bridges, a 24.5 percent reduction compared to the 73,817 back in 2007, according to ARTBA's analysis of the
At current pace, it would take more than three decades to replace or repair all of them, according to ARTBA Chief Economist Dr.
A long-term infrastructure package from
The challenges will only continue to grow in the future. The average age of a structurally deficient bridge in the
To help ensure public safety, bridge decks and support structures are regularly inspected for deterioration and remedial action. They are rated on a scale of zero to nine—with nine meaning the bridge is in "excellent" condition. A bridge is classified as structurally deficient and in need of repair if the rating for a key component is four or below.
While these bridges may not be imminently unsafe, they are in need of attention.
The states with the biggest decrease in the number of structurally deficient bridges in the last 10 years:
States with an increased number of deficient bridges include:
Established in 1902,
Editor's Note: Here's a link to the ARTBA analysis.
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