Keokuk County Bridge Report Card
Keokuk County scores 51 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Keokuk County, Iowa
Keokuk County has 183 bridges in the National Bridge Inventory, with 37 rated poor and 2 rated scour-critical. Its poor-condition share of 20.2% is above the 18.6% statewide average. Poor-condition bridges carry about 4,394 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Keokuk County a Bridge Condition Exposure Score of 51/100 (F). The county has 183 bridges in the National Bridge Inventory, including 37 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 4,394 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 | 20.2% | 40.0 |
| Poor-condition traffic exposure | 25 | 8.7% of measured traffic | 6.5 |
| Scour-critical bridge share | 20 | 1.1% | 2.2 |
| Average age vs national baseline | 10 | 46 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 50,636 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 | 20.2% |
| State Poor-Condition Share | 18.6% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.1% |
| Average Bridge Age | 46 years |
| Poor-Condition Traffic Exposure | 4,394 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Keokuk County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| FM over Stream | Poor condition + traffic exposure | Poor | 160 | 1930 |
| Local over Cedar Creek | Poor condition + traffic exposure | Poor | 46 | 1952 |
| Ia 78 over Stream | Poor condition + traffic exposure | Poor | 1,190 | 1937 |
| Old Ia 77 over Richland Creek | Poor condition + traffic exposure | Poor | 620 | 1932 |
| Co RD W15 over Small Stream | Poor condition + traffic exposure | Poor | 620 | 1932 |
| FM over Crooked Creek | Poor condition + traffic exposure | Poor | 500 | 1964 |
| FM over Dme Rr | Poor condition + traffic exposure | Poor | 200 | 1936 |
| FM over Stream | Poor condition + traffic exposure | Poor | 100 | 1948 |
| FM over Stream | Poor condition + traffic exposure | Poor | 100 | 1982 |
| FM over Stream | Poor condition + traffic exposure | Poor | 80 | 1951 |
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.