Fap 402 (SR 40) over Burra-burra Creek
Polk County, Tennessee · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Fap 402 (SR 40) over Burra-burra Creek in Polk County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1967, making it 58 years old at the 2025 inventory.
- It carries about 4,700 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 59 of the 139 inventoried bridges in Polk County rated fair (42.4%); 12 (8.6%) 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 April 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (35.02718, -84.37258)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 270 ft |
| Location | 1 Mile East of Ducktown |
| NBI structure number | 70SR0400029 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 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 Polk County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 402 (SR 40) over SR 33 & CSX RR | 1969 | 14,880 | Fair |
| Fap 402 (SR 40) over Chestuee Creek | 1969 | 14,880 | Good |
| Fap 33 347920N over CSX Railroad | 2008 | 8,437 | Good |
| Nfa A037 over Old SR-33 / Ocoee River | 1946 | 8,437 | Fair |
| Fap 33 over Branch | 1946 | 8,437 | Good |
| Fap 33 over Four Mile Creek | 1998 | 8,437 | Good |
All bridges nearby: Polk County, TN bridge conditions · every bridge in Polk County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.