Harmony Road over Trib. to Big Bull Creek
Miami County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Harmony Road over Trib. to Big Bull Creek in Miami County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1926, making it 99 years old at the 2025 inventory.
- It carries about 94 vehicles a day (traffic count year 2011).
- Its listed owner is the county highway agency.
- It is one of 108 of the 327 inventoried bridges in Miami County rated fair (33.0%); 10 (3.1%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (38.64711, -94.88266)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete slab |
| Length | about 21 ft |
| Location | 1.5W 1.3S of Hillsdale |
| NBI structure number | 000611085004863 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Miami County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| K68 Hwy over US69 Hwy | 1979 | 12,722 | Fair |
| I35 Hwy over Rock Creek | 1958 | 11,200 | Fair |
| I35 Hwy SB over 223RD Street | 2004 | 11,200 | Good |
| I35 Hwy NB over 223 Rd Street | 2002 | 11,200 | Good |
| US69 Hwy SB over Local Road | 1966 | 8,773 | Fair |
| US69 Hwy NB over Local Road | 1966 | 8,773 | Good |
All bridges nearby: Miami County, KS bridge conditions · every bridge in Miami County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.