Nfa A297 over Salt Lick Creek
Macon County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A297 over Salt Lick Creek in Macon County, Tennessee, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1989, making it 36 years old at the 2025 inventory.
- It carries about 180 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 119 of the 169 inventoried bridges in Macon County rated good (70.4%); 8 (4.7%) 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 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 → (36.57975, -85.87147)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous prestressed concrete single box beam |
| Length | about 179 ft |
| Location | 3.5 M N Red Boiling Sprgs |
| NBI structure number | 560A2970001 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 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 Macon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 52 over Trammel Creek | 1992 | 8,950 | Good |
| Fap 52 over Long Hungry Creek | 1972 | 4,936 | Good |
| Fap 52 over Branch | 1970 | 4,936 | Good |
| Fap 52 over Long Fork Creek | 1995 | 4,936 | Good |
| Fap 52 over Branch | 1995 | 4,936 | Good |
| Fap 10 over Dry Branch | 1942 | 4,889 | Fair |
All bridges nearby: Macon County, TN bridge conditions · every bridge in Macon County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.