E0560 over Yost Lake
Payne County, Oklahoma · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- E0560 over Yost Lake in Payne County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1995, making it 30 years old at the 2025 inventory.
- It carries about 175 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 251 of the 384 inventoried bridges in Payne County rated fair (65.4%); 40 (10.4%) 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 July 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 → (36.20323, -97.00963)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 29 ft |
| Location | Yost Rd\brush Crk .5E |
| NBI structure number | 241250000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | July 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 Payne County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| E0610 (mc Elroy over West Boomer Creek | 1984 | 17,000 | Fair |
| S.H. 51 over Creek | 1960 | 15,800 | Fair |
| I-35 over Stillwater Creek | 1959 | 15,500 | Fair |
| E0600 over Boomer Lake | 1995 | 15,000 | Good |
| Western Ave. over Stillwater Creek | 2004 | 15,000 | Fair |
| U.S. 177 over Boomer Creek | 1982 | 14,700 | Fair |
All bridges nearby: Payne County, OK bridge conditions · every bridge in Payne County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.