Nfa A257 over Branch
Washington County, Tennessee · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A257 over Branch in Washington County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1942, making it 83 years old at the 2025 inventory.
- It carries about 620 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 134 of the 283 inventoried bridges in Washington County rated fair (47.3%); 9 (3.2%) 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 → (36.43022, -82.63927)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete slab |
| Length | about 33 ft |
| Location | In Very NW Corner of Co. |
| NBI structure number | 900A1810001 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Washington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I26 Rt Ln over SR 354 & Boones Creek | 1969 | 60,503 | Fair |
| I26 over SR 381 | 1999 | 60,503 | Good |
| I181 over Knob Creek | 1969 | 60,503 | Fair |
| I26 Rt Ln over Buckingham Rd (A144) | 1969 | 59,948 | Good |
| I26 Lt Ln over Buckingham Rd (A144) | 1969 | 59,948 | Good |
| I26 Rt Ln over Possum Hollow Rd (A310) | 1969 | 59,948 | Good |
All bridges nearby: Washington County, TN bridge conditions · every bridge in Washington County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.