US81 Hwy over Bluff Creek
Sumner County, Kansas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US81 Hwy over Bluff Creek in Sumner County, Kansas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1924 and reconstructed in 1962, making it 101 years old at the 2025 inventory.
- It carries about 826 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 16 of the 658 inventoried bridges in Sumner County rated poor (2.4%); 16 (2.4%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (37.01222, -97.60667)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 4 | Poor condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 191 ft |
| Location | 0.93 Mi N Okla State Line |
| NBI structure number | 999908100960401 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Sumner County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-35 Hwy SB (kta) over K-53 Hwy | 1956 | 12,849 | Good |
| I-35 Hwy NB (kta) over K-53 Hwy | 1956 | 12,849 | Good |
| U-160 Hwy over Hargis Creek | 2024 | 11,788 | Good |
| I-35 Hwy SB (kta) over BNSF Railway | 1956 | 11,227 | Fair |
| I-35 Hwy NB (kta) over BNSF Railway | 1956 | 11,227 | Fair |
| I-35 Hwy SB (kta) over Ninnescah River | 1956 | 11,227 | Fair |
All bridges nearby: Sumner County, KS bridge conditions · every bridge in Sumner County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.