The share of bridges categorized as poor in Michigan increased by 0.2% between 2015 and 2016. Michigan trails the “Top Ten” average, and has a higher proportion of deficient bridges than all peer states except for Illinois, Massachusetts, and North Carolina.

What It Is: Percent of bridges in deficient condition, by area.

Why It Matters: A strong, reliable transportation system benefits both businesses and individuals. Poor bridge quality imposes many tangible costs and reduces productivity.

Deficient Bridge Trends

Deficient Bridge Standings

Source: U.S. Department of Transportation (Highway Bridge by Wearing Surface)