State Overview · 2025 Data
Iowa Bridge Conditions
Iowa has 24K bridges in the FHWA National Bridge Inventory. 9.1K (38.5%) are structurally deficient. Average bridge age is 46 years with an average Condition Score of 51/100.
24K
Total Bridges
38.5%
Deficient
46 yrs
Avg Age
51
Avg Score