Irr N4540 over Creek
Ottawa County, Oklahoma · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr N4540 over Creek in Ottawa County, Oklahoma, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1938, making it 87 years old at the 2025 inventory.
- It carries about 40 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 59 of the 271 inventoried bridges in Ottawa County rated poor (21.8%); 59 (21.8%) 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 → (36.77714, -94.90923)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 3 | Serious condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 26 ft |
| Location | 1.6S & 1.0N of Narcissa |
| NBI structure number | 060690000000000 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Ottawa County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Old S.H. 137 over Will Rogers Tp I-44 Und | 1956 | 21,000 | Fair |
| Will Rogers Tpi-44 over Creek | 1957 | 19,900 | Good |
| Will Rogers Tpi-44 over Horse Creek | 1957 | 19,900 | Good |
| Will Rogers Tpi-44 over BNSF R.R. Under | 1957 | 19,900 | Good |
| Will Rogers Tpi-44 over Creek | 1957 | 19,000 | Good |
| Will Rogers Tpi-44 over Creek | 1957 | 19,000 | Good |
All bridges nearby: Ottawa County, OK bridge conditions · every bridge in Ottawa County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.