Kossuth County Bridge Report Card
Kossuth County scores 66 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Kossuth County, Iowa
Kossuth County has 266 bridges in the National Bridge Inventory, with 40 rated poor and 0 rated scour-critical. Its poor-condition share of 15.0% is at or below the 18.6% statewide average. Poor-condition bridges carry about 4,073 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Kossuth County a Bridge Condition Exposure Score of 66/100 (D). The county has 266 bridges in the National Bridge Inventory, including 40 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 4,073 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 | 15.0% | 30.1 |
| Poor-condition traffic exposure | 25 | 4.9% of measured traffic | 3.6 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 37 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 83,751 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 | 15.0% |
| State Poor-Condition Share | 18.6% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 37 years |
| Poor-Condition Traffic Exposure | 4,073 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Kossuth County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| 240th AVE over Lindner Creek | Poor condition + traffic exposure | Poor | 620 | 1972 |
| FM 150th AVE over Lindner Creek | Poor condition + traffic exposure | Poor | 376 | 1969 |
| Loc 20th AVE over E Fork Des Moines River | Poor condition + traffic exposure | Poor | 359 | 1973 |
| Irvington RD over D D # 51 | Poor condition + traffic exposure | Poor | 330 | 1966 |
| FM 320th ST over Buffalo Creek | Poor condition + traffic exposure | Poor | 309 | 1958 |
| FM 300th ST over Dd #2 & 36 | Poor condition + traffic exposure | Poor | 264 | 1974 |
| FM 380th ST over Union Slough Ditch | Poor condition + traffic exposure | Poor | 180 | 1964 |
| Loc 200th ST over Lotts Creek | Poor condition + traffic exposure | Poor | 177 | 1969 |
| A30 460th ST over Union Slough Ditch | Poor condition + traffic exposure | Poor | 170 | 1951 |
| FM 180th AVE over Buffalo Creek | Poor condition + traffic exposure | Poor | 159 | 1965 |
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.