State Overview · 2025 Data
New Hampshire Bridge Conditions
New Hampshire has 2.5K bridges in the FHWA National Bridge Inventory. 462 (18.1%) are structurally deficient. Average bridge age is 58 years with an average Condition Score of 60/100.
2.5K
Total Bridges
18.1%
Deficient
58 yrs
Avg Age
60
Avg Score