Coffey County Bridge Report Card
Coffey County scores 94 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Coffey County, Kansas
Coffey County has 305 bridges in the National Bridge Inventory, with 3 rated poor and 6 rated scour-critical. Its poor-condition share of 1.0% is at or below the 5.2% statewide average. Poor-condition bridges carry about 65 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Coffey County a Bridge Condition Exposure Score of 94/100 (A). The county has 305 bridges in the National Bridge Inventory, including 3 in poor condition and 6 rated scour-critical. Poor-condition bridges carry about 65 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 | 1.0% | 2.0 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 2.0% | 3.9 |
| Average age vs national baseline | 10 | 41 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 156,112 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 | 1.0% |
| State Poor-Condition Share | 5.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.0% |
| Average Bridge Age | 41 years |
| Poor-Condition Traffic Exposure | 65 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Coffey County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Lynx Rd. over Frog Creek | Poor condition + traffic exposure | Poor | 30 | 1974 |
| Fauna Rd. over Trib. To Otter Creek | Poor condition + traffic exposure | Poor | 25 | 1920 |
| 3rd. Rd. over Loss Creek | Poor condition + traffic exposure | Poor | 10 | 1935 |
| I35 HWY SB over Frog Creek | Scour-critical foundation rating | Good | 7,350 | 1973 |
| I35 HWY NB over Frog Creek | Scour-critical foundation rating | Good | 7,350 | 1973 |
| K58 HWY over Neosho River Drainage | Scour-critical foundation rating | Good | 1,098 | 1941 |
| K58 HWY over Crooked Creek | Scour-critical foundation rating | Fair | 1,036 | 1949 |
| Kennebec Street over Rock Creek | Scour-critical foundation rating | Fair | 200 | 1950 |
| 19th Lane over Lebo Creek | Scour-critical foundation rating | Fair | 75 | 1935 |
| Us-75 HWY over Rock Creek | High traffic | Good | 7,941 | 1992 |
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.