N1560 over Sand Creek
Beaver County, Oklahoma · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N1560 over Sand Creek in Beaver County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1969 and reconstructed in 1997, making it 56 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 125 of the 189 inventoried bridges in Beaver County rated fair (66.1%); 3 (1.6%) 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 November 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 → (36.64951, -100.2179)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 80 ft |
| Location | 6.W 2.3N of Slapout |
| NBI structure number | 250070000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | November 2023 |
| 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 Oklahoma department of transportation.
Busiest bridges in Beaver County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 64 over Short Creek | 2003 | 3,600 | Good |
| U.S. 83 over Sharp Creek | 1997 | 3,500 | Good |
| U.S. 83 over Beaver River | 1988 | 3,200 | Fair |
| U.S. 83 over Creek | 1999 | 2,800 | Good |
| U.S. 83 over Creek | 1999 | 2,700 | Good |
| S.H. 3 over Creek | 1936 | 2,500 | Fair |
All bridges nearby: Beaver County, OK bridge conditions · every bridge in Beaver County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.