Wright County Bridge Report Card
Wright County scores 47 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Wright County, Iowa
Wright County has 175 bridges in the National Bridge Inventory, with 48 rated poor and 7 rated scour-critical. Its poor-condition share of 27.4% is above the 18.6% statewide average. Poor-condition bridges carry about 8,012 daily vehicle crossings.
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Copyable Facts for Reporters
BridgeLookup.com gives Wright County a Bridge Condition Exposure Score of 47/100 (F). The county has 175 bridges in the National Bridge Inventory, including 48 in poor condition and 7 rated scour-critical. Poor-condition bridges carry about 8,012 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 | 27.4% | 40.0 |
| Poor-condition traffic exposure | 25 | 7.1% of measured traffic | 5.4 |
| Scour-critical bridge share | 20 | 4.0% | 8.0 |
| Average age vs national baseline | 10 | 45 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 112,205 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 | 27.4% |
| State Poor-Condition Share | 18.6% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 4.0% |
| Average Bridge Age | 45 years |
| Poor-Condition Traffic Exposure | 8,012 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Wright County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Local over Iowa River | Poor condition + traffic exposure | Poor | 42 | 1975 |
| Local over White Fox Creek | Poor condition + traffic exposure | Poor | 21 | 1975 |
| Local over Dd #219 | Poor condition + traffic exposure | Poor | 11 | 1972 |
| Local over Eagle Creek | Poor condition + traffic exposure | Poor | 5 | 1975 |
| C70 330th ST over Boone River | Poor condition + traffic exposure | Poor | 977 | 1951 |
| FM over Iowa River | Poor condition + traffic exposure | Poor | 977 | 1965 |
| 330th ST over Eagle Creek | Poor condition + traffic exposure | Poor | 966 | 1951 |
| FM over Eagle Creek | Poor condition + traffic exposure | Poor | 818 | 1963 |
| FM over White Fox Creek | Poor condition + traffic exposure | Poor | 742 | 1963 |
| C54 265th ST over Drainage | Poor condition + traffic exposure | Poor | 609 | 1976 |
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.