Irr Bia Rte 1006 over Plum Creek
Brown County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr Bia Rte 1006 over Plum Creek in Brown County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2021).
- It is one of 117 of the 256 inventoried bridges in Brown County rated fair (45.7%); 11 (4.3%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated December 2023, on a 24-month routine inspection cycle.
- 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 → (39.6965, -95.69692)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 61 ft |
| Location | 0.4KM W.of 130 & Dewberry |
| NBI structure number | 00000000000B106 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | December 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Brown County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US75 Hwy over Craig Creek Drainage | 1956 | 5,099 | Good |
| US-75 Hwy over Craig Creek Drainage | 1995 | 5,099 | Good |
| US-75 Hwy over Main Street | 2003 | 4,709 | Good |
| US-75 Hwy over Old K-246 Hwy UP RR | 2003 | 4,709 | Good |
| US75 Hwy over Delaware River Dr | 1954 | 4,596 | Good |
| US-75 Hwy over Plum Creek | 1995 | 4,596 | Good |
All bridges nearby: Brown County, KS bridge conditions · every bridge in Brown County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.