Ringgold County Bridge Report Card
Ringgold County scores 36 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Ringgold County, Iowa
Ringgold County has 215 bridges in the National Bridge Inventory, with 88 rated poor and 12 rated scour-critical. Its poor-condition share of 40.9% is above the 18.6% statewide average. Poor-condition bridges carry about 5,012 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Ringgold County a Bridge Condition Exposure Score of 36/100 (F). The county has 215 bridges in the National Bridge Inventory, including 88 in poor condition and 12 rated scour-critical. Poor-condition bridges carry about 5,012 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 | 40.9% | 40.0 |
| Poor-condition traffic exposure | 25 | 15.1% of measured traffic | 11.3 |
| Scour-critical bridge share | 20 | 5.6% | 11.2 |
| Average age vs national baseline | 10 | 53 years vs 48 nationally | 2.0 |
| Traffic-data completeness | 5 | 33,250 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 | 40.9% |
| State Poor-Condition Share | 18.6% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 5.6% |
| Average Bridge Age | 53 years |
| Poor-Condition Traffic Exposure | 5,012 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Ringgold County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| FM over W Fork Grand River | Poor condition + traffic exposure | Poor | 219 | 1956 |
| FM over Plum Creek | Poor condition + traffic exposure | Poor | 120 | 1954 |
| Local over Stream | Poor condition + traffic exposure | Poor | 40 | 1948 |
| Local over Stream | Poor condition + traffic exposure | Poor | 40 | 1969 |
| Local over Stream | Poor condition + traffic exposure | Poor | 34 | 1975 |
| Local over Gooseberry Creek | Poor condition + traffic exposure | Poor | 20 | 1965 |
| FM over E Fk Grand River | Poor condition + traffic exposure | Poor | 15 | 1958 |
| Local over E Fk Grand River | Poor condition + traffic exposure | Poor | 15 | 1970 |
| Local over Lotts Creek | Poor condition + traffic exposure | Poor | 5 | 1952 |
| Local over Gooseberry Creek | Poor condition + traffic exposure | Poor | 5 | 1956 |
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.