Milwaukee County Bridge Report Card
Milwaukee County scores 86 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Milwaukee County, Wisconsin
Milwaukee County has 897 bridges in the National Bridge Inventory, with 43 rated poor and 9 rated scour-critical. Its poor-condition share of 4.8% is at or below the 6.7% statewide average. Poor-condition bridges carry about 596,848 daily vehicle crossings.
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Copyable Facts for Reporters
BridgeLookup.com gives Milwaukee County a Bridge Condition Exposure Score of 86/100 (B). The county has 897 bridges in the National Bridge Inventory, including 43 in poor condition and 9 rated scour-critical. Poor-condition bridges carry about 596,848 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 4.8% | 9.6 |
| Poor-condition traffic exposure | 25 | 3.2% of measured traffic | 2.4 |
| Scour-critical bridge share | 20 | 1.0% | 2.0 |
| Average age vs national baseline | 10 | 43 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 18,847,296 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 4.8% |
| State Poor-Condition Share | 6.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.0% |
| Average Bridge Age | 43 years |
| Poor-Condition Traffic Exposure | 596,848 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Milwaukee County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Lrd S 43rd ST over Kinnickinnick River | Poor condition + traffic exposure | Poor | 19,025 | 1987 |
| Lrd W Cherry ST over Milwaukee River | Poor condition + traffic exposure | Poor | 1,650 | 1940 |
| Lrd N 50th ST (dea over Menomonee River | Poor condition + traffic exposure | Poor | 1 | 1976 |
| IH 94 Wb-e-w Freew over Lrd Mitchell BLVD | Poor condition + traffic exposure | Poor | 79,000 | 1959 |
| IH 41/ush 45/sth 1 over Cth W Mill RD (cth S) | Poor condition + traffic exposure | Poor | 58,500 | 1967 |
| IH 41/ush 45/sth 1 over Cth W Mill RD (cth S) | Poor condition + traffic exposure | Poor | 58,500 | 1967 |
| Lrd W Silver Sprin over Lincoln Creek | Poor condition + traffic exposure | Poor | 33,971 | 1958 |
| Lrd W Layton AVE over Sth 24-forest Home AVE | Poor condition + traffic exposure | Poor | 26,700 | 1963 |
| Lrd N Teutonia AVE over Lincoln Creek | Poor condition + traffic exposure | Poor | 21,845 | 1936 |
| Sth 38-chase AVE over Cnw Rr | Poor condition + traffic exposure | Poor | 20,130 | 1939 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.