Atchison County Bridge Report Card
Atchison County scores 70 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Atchison County, Kansas
Atchison County has 197 bridges in the National Bridge Inventory, with 17 rated poor and 6 rated scour-critical. Its poor-condition share of 8.6% is above the 5.2% statewide average. Poor-condition bridges carry about 4,895 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Atchison County a Bridge Condition Exposure Score of 70/100 (C). The county has 197 bridges in the National Bridge Inventory, including 17 in poor condition and 6 rated scour-critical. Poor-condition bridges carry about 4,895 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 | 8.6% | 17.3 |
| Poor-condition traffic exposure | 25 | 4.7% of measured traffic | 3.5 |
| Scour-critical bridge share | 20 | 3.0% | 6.1 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.4 |
| Traffic-data completeness | 5 | 103,564 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 | 8.6% |
| State Poor-Condition Share | 5.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 3.0% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 4,895 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Atchison County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Rs 1290 over Stream | Poor condition + traffic exposure | Poor | 440 | 1936 |
| Rs 23 over Stream | Poor condition + traffic exposure | Poor | 85 | 1961 |
| Us-59 HWY over Rs1290 | Poor condition + traffic exposure | Poor | 2,905 | 1955 |
| Rs 19 over Stream | Poor condition + traffic exposure | Poor | 854 | 1920 |
| "u" Street over Us73 K7 HWY | Poor condition + traffic exposure | Poor | 329 | 1970 |
| Rs 2105 over Walnut Creek | Poor condition + traffic exposure | Poor | 108 | 1922 |
| Local Rd. 23-i.9 over Trib. To Walnut Creek | Poor condition + traffic exposure | Poor | 40 | 1940 |
| Rs 28 over Deer Creek | Poor condition + traffic exposure | Poor | 39 | 1917 |
| Local Rd. 25.3-h.1 over Trib. To Missouri River | Poor condition + traffic exposure | Poor | 30 | 1920 |
| Local Rd. 15.4-n.6 over Trib. Independence Ck. | Poor condition + traffic exposure | Poor | 15 | 1920 |
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.