Nfa 920 over I-40
Hickman County, Tennessee · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa 920 over I-40 in Hickman County, Tennessee, 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 1965, making it 60 years old at the 2025 inventory.
- It carries about 85 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 163 of the 331 inventoried bridges in Hickman County rated fair (49.2%); 17 (5.1%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 5 to 6, superstructure 5 to 6, substructure 5 to 7.
- Its most recent inspection on record is dated July 2024, 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 → (35.87447, -87.7099)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 6 | Satisfactory condition |
| Superstructure | 5 | 6 | Satisfactory condition |
| Substructure | 5 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete tee beam |
| Length | about 244 ft |
| Location | 1 M NW of Only |
| NBI structure number | 41I00400001 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Hickman County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I40 over Duck River | 1965 | 34,610 | Fair |
| I40 over Duck River | 1965 | 34,610 | Fair |
| I40 over Sugar Creek | 1965 | 34,610 | Good |
| I40 over Sugar Creek | 1965 | 34,610 | Good |
| I40 over Sugar Creek | 1965 | 34,610 | Fair |
| I40 over Sugar Creek | 1965 | 34,610 | Fair |
All bridges nearby: Hickman County, TN bridge conditions · every bridge in Hickman County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.