Bridge conditions in Osage County, Kansas
302 inventoried bridges · 18 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
18 of the 302 bridges the federal inventory lists in Osage County are rated poor; the rest split 178 good and 106 fair.
- 18 of the 302 bridges in Osage County, Kansas, are rated in poor condition (6.0%) in the 2025 National Bridge Inventory, as of .
- 178 bridges (58.9%) are rated good and 106 (35.1%) fair.
- The median Osage County bridge was built in 1973.
- The busiest poor-rated bridge is I-335 Hwy (kta) SB over Soldier Creek (built 1956), carrying about 5,972 vehicles a day.
Good 58.9% · Fair 35.1% · Poor 6.0% of 302 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-335 Hwy (kta) SB over Soldier Creek | 1956 | 5,972 | Poor |
| Rs 514 7.6-6.0 over Switzler Creek | 1933 | 1,615 | Poor |
| Rs 514 6.3-6.0 over Stream | 1920 | 1,095 | Poor |
| Rs 1249 2.0-21.6 over Elk Creek | 1935 | 190 | Poor |
| Rs 2075 26.7-14.0 over Atchison Topeka & Sf RR | 1935 | 180 | Poor |
| Rs 2075 29.4-14.0 over Long Creek | 1935 | 140 | Poor |
| Rs 2075 28.1-14.0 over Frog Creek | 1935 | 140 | Poor |
| Rs 1250 18.0-14.0 over Unnamed Stream | 1967 | 124 | Poor |
| Rs 2075 24.4-14.0 over Marais Des Cygnes River | 1940 | 85 | Poor |
| Fourth St 82 over Salt Creek | 1973 | 75 | Poor |
| Local RD. 110 over 110 Mile Creek | 1989 | 45 | Poor |
| W 157TH St 137 over Hoover Branch | 1930 | 40 | Poor |
| Local RD. 141 over Unnamed Stream | 1920 | 40 | Poor |
| S Auburn Rd 48 over Smith Creek | 1925 | 35 | Poor |
| Kansas Ave 213 over Switzler Creek | 1911 | 30 | Poor |
| W 205TH St 138 over Trib. Dragoon Ck. | 1930 | 30 | Poor |
| S Fisher Rd 61 over Plum Creek | 1920 | 20 | Poor |
| Local Rd. 214 over Trib. to Salt Creek | 1998 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I35 Hwy SB over Long Creek | 1973 | 6,750 | Good |
| I35 Hwy NB over Long Creek | 1973 | 6,750 | Good |
| I35 Hwy SB over Coal Creek | 1974 | 6,750 | Good |
| I35 Hwy NB over Coal Creek | 1973 | 6,750 | Good |
| I35 Hwy SB over Rock Creek | 1973 | 6,500 | Good |
| I35 Hwy NB over Rock Creek | 1973 | 6,500 | Fair |
| I35 Hwy SB over Tequa Creek | 1973 | 6,500 | Good |
| I35 Hwy NB over Tequa Creek | 1973 | 6,500 | Fair |
| US-75 Hwy over 110 Mile Creek | 1994 | 6,146 | Good |
| I-335 Hwy (kta) SB over Soldier Creek | 1956 | 5,972 | Poor |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Kansas: Kansas bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.