25 Years of U.S. Bridge Data Reveals Condition Improvements
- Published: Thursday, 02 February 2017 14:43
- Written by Rock Products News
Sustained funding and improved practices over the past 25 years have led to a steady improvement of the condition of U.S. bridges. The latest National Bridge Inventory (NBI) data released by the U.S. Federal Highway Administration reveals a remarkable decline of structurally deficient bridges to 55,309 (9 percent of nationwide inventory) in 2016 from 118,757 (21 percent of the inventory) back in 1992.