Counties with the most bridges in Iowa

- Total bridges: 220 (0.9% of bridges in the state)
- Share of bridges in poor condition: 22.7%

- Total bridges: 221 (0.9% of bridges in the state)
- Share of bridges in poor condition: 15.8%

- Total bridges: 224 (0.9% of bridges in the state)
- Share of bridges in poor condition: 39.7%

- Total bridges: 230 (1.0% of bridges in the state)
- Share of bridges in poor condition: 14.8%

- Total bridges: 230 (1.0% of bridges in the state)
- Share of bridges in poor condition: 46.1%

- Total bridges: 231 (1.0% of bridges in the state)
- Share of bridges in poor condition: 35.9%

- Total bridges: 233 (1.0% of bridges in the state)
- Share of bridges in poor condition: 30.0%

- Total bridges: 236 (1.0% of bridges in the state)
- Share of bridges in poor condition: 5.1%

- Total bridges: 242 (1.0% of bridges in the state)
- Share of bridges in poor condition: 40.5%

- Total bridges: 245 (1.0% of bridges in the state)
- Share of bridges in poor condition: 23.3%

- Total bridges: 246 (1.0% of bridges in the state)
- Share of bridges in poor condition: 30.5%

- Total bridges: 246 (1.0% of bridges in the state)
- Share of bridges in poor condition: 18.7%

- Total bridges: 248 (1.0% of bridges in the state)
- Share of bridges in poor condition: 20.2%

- Total bridges: 249 (1.0% of bridges in the state)
- Share of bridges in poor condition: 6.4%

- Total bridges: 253 (1.1% of bridges in the state)
- Share of bridges in poor condition: 18.6%

- Total bridges: 260 (1.1% of bridges in the state)
- Share of bridges in poor condition: 9.6%

- Total bridges: 262 (1.1% of bridges in the state)
- Share of bridges in poor condition: 16.8%

- Total bridges: 263 (1.1% of bridges in the state)
- Share of bridges in poor condition: 44.5%

- Total bridges: 266 (1.1% of bridges in the state)
- Share of bridges in poor condition: 8.3%

- Total bridges: 267 (1.1% of bridges in the state)
- Share of bridges in poor condition: 34.8%

- Total bridges: 267 (1.1% of bridges in the state)
- Share of bridges in poor condition: 0.7%

- Total bridges: 270 (1.1% of bridges in the state)
- Share of bridges in poor condition: 11.9%

- Total bridges: 278 (1.2% of bridges in the state)
- Share of bridges in poor condition: 21.2%

- Total bridges: 285 (1.2% of bridges in the state)
- Share of bridges in poor condition: 22.5%

- Total bridges: 286 (1.2% of bridges in the state)
- Share of bridges in poor condition: 16.4%

- Total bridges: 292 (1.2% of bridges in the state)
- Share of bridges in poor condition: 5.5%

- Total bridges: 294 (1.2% of bridges in the state)
- Share of bridges in poor condition: 28.6%

- Total bridges: 294 (1.2% of bridges in the state)
- Share of bridges in poor condition: 11.9%

- Total bridges: 295 (1.2% of bridges in the state)
- Share of bridges in poor condition: 15.3%

- Total bridges: 303 (1.3% of bridges in the state)
- Share of bridges in poor condition: 10.2%

- Total bridges: 305 (1.3% of bridges in the state)
- Share of bridges in poor condition: 21.3%

- Total bridges: 307 (1.3% of bridges in the state)
- Share of bridges in poor condition: 19.5%

- Total bridges: 310 (1.3% of bridges in the state)
- Share of bridges in poor condition: 39.4%

- Total bridges: 315 (1.3% of bridges in the state)
- Share of bridges in poor condition: 18.7%

- Total bridges: 315 (1.3% of bridges in the state)
- Share of bridges in poor condition: 8.9%

- Total bridges: 337 (1.4% of bridges in the state)
- Share of bridges in poor condition: 10.4%

- Total bridges: 339 (1.4% of bridges in the state)
- Share of bridges in poor condition: 34.2%

- Total bridges: 348 (1.5% of bridges in the state)
- Share of bridges in poor condition: 20.4%

- Total bridges: 359 (1.5% of bridges in the state)
- Share of bridges in poor condition: 19.2%

- Total bridges: 362 (1.5% of bridges in the state)
- Share of bridges in poor condition: 8.8%

- Total bridges: 366 (1.5% of bridges in the state)
- Share of bridges in poor condition: 21.9%

- Total bridges: 373 (1.6% of bridges in the state)
- Share of bridges in poor condition: 2.7%

- Total bridges: 382 (1.6% of bridges in the state)
- Share of bridges in poor condition: 30.4%

- Total bridges: 448 (1.9% of bridges in the state)
- Share of bridges in poor condition: 3.1%

- Total bridges: 450 (1.9% of bridges in the state)
- Share of bridges in poor condition: 22.7%

- Total bridges: 457 (1.9% of bridges in the state)
- Share of bridges in poor condition: 19.9%

- Total bridges: 488 (2.0% of bridges in the state)
- Share of bridges in poor condition: 5.9%

- Total bridges: 501 (2.1% of bridges in the state)
- Share of bridges in poor condition: 3.6%

- Total bridges: 538 (2.2% of bridges in the state)
- Share of bridges in poor condition: 5.8%

- Total bridges: 562 (2.3% of bridges in the state)
- Share of bridges in poor condition: 11.7%
This story features data reporting and writing by Paxtyn Merten, and is part of a series utilizing data automation across 50 states.