Nfa A589 over Buck Branch
Lawrence County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A589 over Buck Branch in Lawrence 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 1950, making it 75 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 111 of the 211 inventoried bridges in Lawrence County rated good (52.6%); 4 (1.9%) 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 May 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 → (35.0201, -87.58328)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 22 ft |
| Location | S. Popular St-iron City |
| NBI structure number | 500A5890001 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2023 |
| 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 Lawrence County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 6 over Shoal Creek | 1935 | 16,379 | Fair |
| Fap 6 over Little Shoal Creek | 1994 | 13,904 | Fair |
| Fap 6 over Crossfield Branch | 1996 | 13,904 | Fair |
| Fap 6 over Branch | 1994 | 13,704 | Good |
| Nfa A089 over Shoal Creek | 1994 | 12,745 | Good |
| Fap 6 over South Buffalo River | 1998 | 11,280 | Fair |
All bridges nearby: Lawrence County, TN bridge conditions · every bridge in Lawrence County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.