Nfa A422 over Oostanula Creek
McMinn County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A422 over Oostanula Creek in McMinn County, Tennessee, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 120 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 80 of the 219 inventoried bridges in McMinn County rated good (36.5%); 6 (2.7%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (35.3278, -84.7049)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete single box beam |
| Length | about 98 ft |
| Location | East of US11 |
| NBI structure number | 540A4220001 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in McMinn County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I75 Nbl over Mouse Creek | 1971 | 47,306 | Good |
| I75 Sbl over Mouse Creek | 1971 | 47,306 | Fair |
| I75 Nbl over Nfa A486 | 1971 | 47,306 | Fair |
| I75 Sbl over Nfa A486 | 1971 | 47,306 | Fair |
| I75 Nbl over Nfa 2334 | 1971 | 47,306 | Fair |
| I75 over Nfa 2334 | 1971 | 47,306 | Fair |
All bridges nearby: McMinn County, TN bridge conditions · every bridge in McMinn County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.