Nfa A578 over Branch
Obion County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A578 over Branch in Obion County, Tennessee, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2021, making it 4 years old at the 2025 inventory.
- It carries about 20 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 167 of the 381 inventoried bridges in Obion County rated good (43.8%); 11 (2.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated March 2023, on a 24-month routine inspection cycle.
- 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 → (36.21411, -89.13472)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 60 ft |
| Location | 3.3 Mi NE Jct SR105&SR211 |
| NBI structure number | 660A5780001 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Obion County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 431 over Hoosier Creek | 1968 | 19,597 | Fair |
| Fap 3 over Troy Creek | 1960 | 15,604 | Fair |
| Fap 3 over Troy Creek | 1960 | 15,604 | Fair |
| Fap 3 over Davidson Creek | 1960 | 13,129 | Fair |
| Fap 3 over Davidson Creek | 1960 | 13,129 | Fair |
| SR003 over Branch | 2020 | 13,129 | Good |
All bridges nearby: Obion County, TN bridge conditions · every bridge in Obion County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.