Nfa 1727 (sa 3606) over Overflow
Hardin County, Tennessee · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa 1727 (sa 3606) over Overflow in Hardin County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1984, making it 41 years old at the 2025 inventory.
- It carries about 511 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 114 of the 190 inventoried bridges in Hardin County rated fair (60.0%); 4 (2.1%) are rated poor.
- 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 → (35.3085, -88.33244)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 29 ft |
| Location | Coffee Landing Rd |
| NBI structure number | 36017270007 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Hardin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 15 over Tenn River Overflow | 1988 | 13,265 | Fair |
| Fap 15 over Tenn River Overflow | 1988 | 13,265 | Fair |
| Fap 15 over Tennessee River | 1980 | 13,265 | Fair |
| Fap 15 over Horse Creek | 2010 | 12,884 | Good |
| Fap 15 over Overflow | 2010 | 12,884 | Good |
| Fap 15 over Overflow | 2010 | 12,884 | Good |
All bridges nearby: Hardin County, TN bridge conditions · every bridge in Hardin County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.