2017 Annual Deficient Bridges in the U.S. Report

February 15, 2017

The American Road and Transportation Builders Association (ARTBA) has released its annual list of bridges in our country that are deemed structurally deficient or functionally obsolete. (Report available here)


  • 1,900 structurally deficient bridges are on the Interstate Highway System.
  • Average age of a structurally deficient bridge is 67 years old, compared to 39 years for non-deficient bridges.
  • 41 percent of U.S. bridges (250,406) are over 40 years old and have not had major reconstruction work.

Video: USA Today - Nearly 56,000 bridges called structurally deficient

 “America’s highway network is woefully underperforming,” said Alison Premo Black, the group's chief economist who conducted the analysis. “It is outdated, overused, underfunded and in desperate need of modernization.”

Top 5 States with the Most Deficient Bridges

  • Iowa - 4,968,
  • Pennsylvania - 4,506,
  • Oklahoma - 3,460,
  • Missouri - 3,195
  • Nebraska - 2,361.

Most Crossed Structurally Obsolete Bridges

  • Providence, Rhode Island: I-95 over Woon River - 171,707 daily crossings
  • Bergen Cty, New Jersey: I-80 over Passaic River - 155,035 daily crossings
  • New York, New York: Jct FDR Drive and 34th Street - 139,357
  • Chicago, Illinois: Lake Shore Drive over Chicago River - 124,500 daily crossings
  • Boston, Massachusetts: I-495 at Merrimac River - 121,500 daily crossings

National Data

  1. Top 250 U.S. Deficient Bridges Based on Daily Crossings (PDF)
  2. State-by-State Rankings (PDF)
  3. Top 10 Deficient Bridges by State Based on Daily Crossing (PDF)
  4. Map: State-by-State Breakdown Illustrating the Importance of the Federal Highway & Bridge Program (PDF)
  5. Interactive Bridge Report by Congressional District