Nfa A184 over Dug Branch
Cannon County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A184 over Dug Branch in Cannon County, Tennessee, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2024, making it 1 years old at the 2025 inventory.
- It carries about 120 vehicles a day (traffic count year 2025).
- Its listed owner is the county highway agency.
- It is one of 71 of the 159 inventoried bridges in Cannon County rated good (44.7%); 16 (10.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated poor in the 2024 inventory and is now good (deck 6 to 8, superstructure 4 to 8, substructure 4 to 7).
- Status change: its 2024 load posting has been removed.
- Its most recent inspection on record is dated October 2024, 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 → (35.72702, -86.18455)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 8 | Very good condition |
| Superstructure | 4 | 8 | Very good condition |
| Substructure | 4 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete single box beam |
| Length | about 47 ft |
| Location | 5MI North of Coffee Co. |
| NBI structure number | 080A1840001 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 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 Cannon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 1 over East Fork Stones River | 1924 | 14,614 | Poor |
| Fap 1 over Carson Fork Creek | 1987 | 12,928 | Fair |
| Fap 1 over Carson Fork Creek | 1987 | 12,928 | Fair |
| Fap 1 over Hill Creek | 2013 | 12,903 | Good |
| Fap 1 over Small Branch | 1988 | 12,579 | Fair |
| Fap 1 over East Fork Stones River | 1987 | 12,579 | Good |
All bridges nearby: Cannon County, TN bridge conditions · every bridge in Cannon County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.