E0120 over Medicine Creek Overflow
Alfalfa County, Oklahoma · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- E0120 over Medicine Creek Overflow in Alfalfa County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2014, making it 11 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 258 of the 387 inventoried bridges in Alfalfa County rated fair (66.7%); 23 (5.9%) are rated poor.
- 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 → (36.84056, -98.33167)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 149 ft |
| Location | 1.6E of S.H. 11 |
| NBI structure number | 311170000000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Alfalfa County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 69 over Buck Creek | 2021 | 15,919 | Good |
| S.H. 11 over Unnamed Creek | 2020 | 2,800 | Good |
| U.S. 64 over Creek | 1927 | 2,700 | Fair |
| U.S. 64 over Creek | 1927 | 2,700 | Fair |
| U.S. 64 over West Clay Creek | 1972 | 2,700 | Fair |
| U.S. 64 over Lambert Creek | 1975 | 2,700 | Good |
All bridges nearby: Alfalfa County, OK bridge conditions · every bridge in Alfalfa County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.