RS 549 - NW 70 Ave over Trib S. Fk Ninnescah
Pratt County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- RS 549 - NW 70 Ave over Trib S. Fk Ninnescah in Pratt County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2000, making it 25 years old at the 2025 inventory.
- It carries about 135 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 76 of the 118 inventoried bridges in Pratt County rated good (64.4%); 0 (0.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2024, on a 24-month routine inspection cycle.
- 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 → (37.65056, -98.86778)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 37 ft |
| Location | 2.0E 1.5N of Cullison |
| NBI structure number | 000000000760280 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Pratt County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US54/US400 Hwy over Ninnescah River | 1994 | 7,623 | Good |
| US54/US400 Hwy over Ninnescah River Drainage | 1950 | 7,459 | Good |
| US-54 Hwy over S. Fork Ninnescah River | 1997 | 7,459 | Good |
| NE 3rd St. over Drainage | 2011 | 7,050 | Good |
| US-281 Hwy over S Fk Ninnescah River Dr | 1971 | 4,146 | Good |
| US-281 Hwy over S F Ninnescah River | 1995 | 3,996 | Good |
All bridges nearby: Pratt County, KS bridge conditions · every bridge in Pratt County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.