Calumet County Bridge Report Card
Calumet County scores 35 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Calumet County, Wisconsin
Calumet County has 63 bridges in the National Bridge Inventory, with 11 rated poor and 14 rated scour-critical. Its poor-condition share of 17.5% is above the 6.7% statewide average. Poor-condition bridges carry about 19,403 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Calumet County a Bridge Condition Exposure Score of 35/100 (F). The county has 63 bridges in the National Bridge Inventory, including 11 in poor condition and 14 rated scour-critical. Poor-condition bridges carry about 19,403 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 | 17.5% | 34.9 |
| Poor-condition traffic exposure | 25 | 11.0% of measured traffic | 8.3 |
| Scour-critical bridge share | 20 | 22.2% | 20.0 |
| Average age vs national baseline | 10 | 51 years vs 48 nationally | 1.4 |
| Traffic-data completeness | 5 | 175,712 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 | 17.5% |
| State Poor-Condition Share | 6.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 22.2% |
| Average Bridge Age | 51 years |
| Poor-Condition Traffic Exposure | 19,403 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Calumet County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Lrd Main ST over Spring Creek | Poor condition + traffic exposure | Poor | 5,900 | 1935 |
| Lrd Grand ST over S Br Manitowoc River | Poor condition + traffic exposure | Poor | 1,997 | 1927 |
| Lrd Lemke RD over Killsnake River | Poor condition + traffic exposure | Poor | 102 | 1918 |
| Lrd Mchugh RD over Killsnake River | Poor condition + traffic exposure | Poor | 102 | 1924 |
| Lrd Irish RD over N Br Manitowoc River | Poor condition + traffic exposure | Poor | 41 | 1920 |
| Lrd Killsnake RD over Killsnake River | Poor condition + traffic exposure | Poor | 30 | 1925 |
| Ush 151-sth 32-sth over S Br Manitowoc River | Poor condition + traffic exposure | Poor | 9,200 | 1951 |
| Lrd Glenview AVE over Spring Creek | Poor condition + traffic exposure | Poor | 1,900 | 1974 |
| Lrd Weeks RD over Killsnake River | Poor condition + traffic exposure | Poor | 60 | 1972 |
| Lrd Steiner RD over Killsnake River | Poor condition + traffic exposure | Poor | 41 | 1972 |
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.