Osage County Bridge Report Card
Osage County scores 80 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Osage County, Kansas
Osage County has 302 bridges in the National Bridge Inventory, with 18 rated poor and 5 rated scour-critical. Its poor-condition share of 6.0% is above the 5.2% statewide average. Poor-condition bridges carry about 9,866 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Osage County a Bridge Condition Exposure Score of 80/100 (B). The county has 302 bridges in the National Bridge Inventory, including 18 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 9,866 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 | 6.0% | 11.9 |
| Poor-condition traffic exposure | 25 | 4.3% of measured traffic | 3.2 |
| Scour-critical bridge share | 20 | 1.7% | 3.3 |
| Average age vs national baseline | 10 | 52 years vs 48 nationally | 1.6 |
| Traffic-data completeness | 5 | 231,009 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 | 6.0% |
| State Poor-Condition Share | 5.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.7% |
| Average Bridge Age | 52 years |
| Poor-Condition Traffic Exposure | 9,866 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Osage County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| I-335 HWY (kta) SB over Soldier Creek | Poor condition + traffic exposure | Poor | 5,972 | 1956 |
| Rs 514 7.6-6.0 over Switzler Creek | Poor condition + traffic exposure | Poor | 1,615 | 1933 |
| Rs 514 6.3-6.0 over Stream | Poor condition + traffic exposure | Poor | 1,095 | 1920 |
| Rs 1249 2.0-21.6 over Elk Creek | Poor condition + traffic exposure | Poor | 190 | 1935 |
| Rs 2075 26.7-14.0 over Atchison Topeka & Sf Rr | Poor condition + traffic exposure | Poor | 180 | 1935 |
| Rs 2075 29.4-14.0 over Long Creek | Poor condition + traffic exposure | Poor | 140 | 1935 |
| Rs 2075 28.1-14.0 over Frog Creek | Poor condition + traffic exposure | Poor | 140 | 1935 |
| Rs 1250 18.0-14.0 over Unnamed Stream | Poor condition + traffic exposure | Poor | 124 | 1967 |
| Rs 2075 24.4-14.0 over Marais Des Cygnes River | Poor condition + traffic exposure | Poor | 85 | 1940 |
| Fourth ST 82 over Salt Creek | Poor condition + traffic exposure | Poor | 75 | 1973 |
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.