How many bridges were reported structurally deficient in the US as of 2014?

In 2014, it was reported that approximately 10% of bridges in the United States were classified as structurally deficient. This classification indicates that these bridges had significant issues that could impact their structural integrity and safety. The percentage reflects concerns about aging infrastructure in the US and underscores the importance of regular inspections and maintenance to ensure public safety. Recognizing this percentage helps in understanding the nationwide infrastructure challenges and the need for funding and investment in repair and replacement of these structures.