Nfa A368 over Helton Creek
DeKalb County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A368 over Helton Creek in DeKalb County, Tennessee, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2007, making it 18 years old at the 2025 inventory.
- It carries about 160 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 23 of the 101 inventoried bridges in DeKalb County rated good (22.8%); 8 (7.9%) 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 December 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 → (36.05642, -86.02467)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 28 ft |
| Location | .5MI West of US70 |
| NBI structure number | 210A3320001 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 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 DeKalb County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 26 over Fall Creek | 1951 | 12,677 | Fair |
| Fap 26 over Smith Fork Creek | 2004 | 8,478 | Fair |
| Fap 26 over Branch | 1953 | 8,478 | Fair |
| Fap 26 over Overflow of Dry Creek | 2004 | 8,478 | Fair |
| Fap 26 over Dry Creek | 2004 | 8,478 | Fair |
| Fap 26 over Branch | 1951 | 8,015 | Fair |
All bridges nearby: DeKalb County, TN bridge conditions · every bridge in DeKalb County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.