Douglas County Bridge Report Card
Douglas County scores 95 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Douglas County, Kansas
Douglas County has 314 bridges in the National Bridge Inventory, with 3 rated poor and 5 rated scour-critical. Its poor-condition share of 1.0% is at or below the 5.2% statewide average. Poor-condition bridges carry about 6,020 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Douglas County a Bridge Condition Exposure Score of 95/100 (A). The county has 314 bridges in the National Bridge Inventory, including 3 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 6,020 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% | 1.9 |
| Poor-condition traffic exposure | 25 | 0.4% of measured traffic | 0.3 |
| Scour-critical bridge share | 20 | 1.6% | 3.2 |
| Average age vs national baseline | 10 | 36 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 1,622,391 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 | 1.6% |
| Average Bridge Age | 36 years |
| Poor-Condition Traffic Exposure | 6,020 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Douglas County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| 27th Street over Naismith Creek | Poor condition + traffic exposure | Poor | 5,940 | 1971 |
| 13th Street over Stream | Poor condition + traffic exposure | Poor | 80 | 1996 |
| Irving Hill Road over Us40/us59 HWY | Poor condition | Poor | 0 | 1966 |
| Us-40 HWY WB over Riv Rr Pwrhs RD Pass RD | Scour-critical foundation rating | Good | 7,343 | 1978 |
| Us-40 HWY EB over Riv Rr Pwrhs RD Pass RD | Scour-critical foundation rating | Good | 7,343 | 1979 |
| Rs 215 over Kansas River & Railroad | Scour-critical foundation rating | Good | 5,657 | 1970 |
| Rs 209 over Kansas River | Scour-critical foundation rating | Good | 3,128 | 1965 |
| Local 17.3n-10.81e over Baldwin Creek | Scour-critical foundation rating | Fair | 500 | 1976 |
| 23rd Street over Frontage Road | High traffic | Good | 28,300 | 2013 |
| K-10 HWY over Us40/us-59 HWY | High traffic | Good | 23,800 | 1996 |
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.