Fas 346 over Holston River
Hawkins County, Tennessee · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Fas 346 over Holston River in Hawkins County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1977, making it 48 years old at the 2025 inventory.
- It carries about 7,976 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 133 of the 190 inventoried bridges in Hawkins County rated fair (70.0%); 17 (8.9%) 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 August 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 → (36.58917, -82.60647)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 402 ft |
| Location | NW Corner of Sullivan Co |
| NBI structure number | 37S24620001 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Hawkins County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 1 over Branch | 1962 | 29,803 | Fair |
| Fap 1 over North Fork Holston River | 1962 | 27,414 | Poor |
| Fap 1 over North Fork Holston River | 1962 | 27,414 | Poor |
| Fap 1 over Alexander Creek | 1968 | 16,784 | Fair |
| Fap 1 over Smith Creek | 1968 | 16,784 | Fair |
| Fap 1 over Hord Creek | 1968 | 15,422 | Fair |
All bridges nearby: Hawkins County, TN bridge conditions · every bridge in Hawkins County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.