N2920 over Bird Creek
Kingfisher County, Oklahoma · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N2920 over Bird Creek in Kingfisher County, Oklahoma, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 337 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 21 of the 297 inventoried bridges in Kingfisher County rated poor (7.1%); 21 (7.1%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- It was rated fair in the 2024 inventory and is now poor (substructure 6 to 4).
- Its most recent inspection on record is dated June 2024, on a 12-month routine inspection cycle.
- 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 → (35.88387, -97.79854)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 29 ft |
| Location | .7N 7.5E .9N of Sh33/us81 |
| NBI structure number | 188670000000000 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 12 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 Oklahoma department of transportation.
Busiest bridges in Kingfisher County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 81 over Kingfisher Creek | 2019 | 7,800 | Good |
| U.S. 81 over Creek | 1966 | 6,800 | Fair |
| U.S. 81 over Creek | 1966 | 6,800 | Good |
| U.S. 81 over Little Turkey Creek | 1957 | 5,800 | Fair |
| U.S. 81 over Creek | 1990 | 5,000 | Good |
| S.H. 3 & S.H. 33 over Creek | 1933 | 4,700 | Good |
All bridges nearby: Kingfisher County, OK bridge conditions · every bridge in Kingfisher County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.