State Overview · 2025 Data
Wisconsin Bridge Conditions
Wisconsin has 14K bridges in the FHWA National Bridge Inventory. 3.1K (21.3%) are structurally deficient. Average bridge age is 41 years with an average Condition Score of 61/100.
14K
Total Bridges
21.3%
Deficient
41 yrs
Avg Age
61
Avg Score
Worst Condition Bridges in Wisconsin
IH 94F
Score 0/100 · Built 1961 · 133K daily
IH 94F
Score 0/100 · Built 1961 · 133K daily
IH 41/43/894F
Score 0/100 · Built 1966 · 128K daily
IH 94-E-W FREEWAYC
Score 48/100 · Built 1960 · 161K daily
IH 43-N-S FREEWAYC
Score 56/100 · Built 1961 · 126K daily
IH 94-E-W FREEWAYC
Score 57/100 · Built 1956 · 168K daily
IH 41 NBB
Score 63/100 · Built 1961 · 292K daily
USH 12/14/18/151B
Score 68/100 · Built 1971 · 129K daily
IH41/94 NB & SBB
Score 74/100 · Built 2012 · 138K daily
IH 41B
Score 74/100 · Built 2011 · 138K daily
USH 12/18-W BELTLIB
Score 77/100 · Built 1975 · 131K daily
Highest Traffic Bridges in Wisconsin
IH 41 NBB
292K daily · Score 63/100 · Built 1961
IH 94-E-W FREEWAYC
168K daily · Score 57/100 · Built 1956
IH 94-E-W FREEWAYC
161K daily · Score 48/100 · Built 1960
IH41/94 NB & SBB
138K daily · Score 74/100 · Built 2012
IH 41B
138K daily · Score 74/100 · Built 2011
IH 94F
133K daily · Score 0/100 · Built 1961
IH 94F
133K daily · Score 0/100 · Built 1961
USH 12/18-W BELTLIB
131K daily · Score 77/100 · Built 1975
USH 12/14/18/151B
129K daily · Score 68/100 · Built 1971
IH 41/43/894F
128K daily · Score 0/100 · Built 1966
IH 43-N-S FREEWAYC
126K daily · Score 56/100 · Built 1961