State Line Rd over Local Trib
Miami County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- State Line Rd over Local Trib in Miami County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2014, making it 11 years old at the 2025 inventory.
- It carries about 300 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 209 of the 327 inventoried bridges in Miami County rated good (63.9%); 10 (3.1%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (38.70398, -94.60991)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 42 ft |
| Location | 5.7N 3.5E of Louisburg |
| NBI structure number | 000611113204784 |
| Condition class | Good |
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.