Nfa A249 over Brimstone Creek
Scott County, Tennessee · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A249 over Brimstone Creek in Scott County, Tennessee, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1940, making it 85 years old at the 2025 inventory.
- It carries about 30 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 5 of the 111 inventoried bridges in Scott County rated poor (4.5%); 5 (4.5%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (36.31545, -84.51258)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 51 ft |
| Location | 5.4 M E of Us27-sr52 Jct |
| NBI structure number | 760A2220001 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Scott County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 29 over Sulphur Creek | 1992 | 12,876 | Fair |
| Fap 29 over Cherry Fork Creek | 1995 | 12,876 | Fair |
| Nfa A583 over Nigs Creek | 1924 | 12,550 | Fair |
| Fap 29 over Pine Creek | 1986 | 12,179 | Fair |
| Fap 29 over Sou Rwy & Nfa A168 | 1996 | 12,179 | Fair |
| Fap 29 over Nigs Creek | 1997 | 12,179 | Fair |
All bridges nearby: Scott County, TN bridge conditions · every bridge in Scott County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.