Nfa 3520 over Branch
Putnam County, Tennessee · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa 3520 over Branch in Putnam 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 1990, making it 35 years old at the 2025 inventory.
- It carries about 2,055 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 149 of the 167 inventoried bridges in Putnam County rated fair (89.2%); 3 (1.8%) 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 → (36.19864, -85.48013)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 26 ft |
| Location | 0.4 Mi N of Cookeville |
| NBI structure number | 71035200001 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Putnam County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I40 over SR 136 | 1960 | 56,102 | Fair |
| I40 over SR 136 | 1960 | 56,102 | Fair |
| I40 over Cane Creek | 1960 | 53,413 | Fair |
| I40 over Cane Creek | 1960 | 53,413 | Fair |
| I40 over Maxwell Branch | 1961 | 51,443 | Fair |
| I40 over I-40 EB / Elmore Town Rd | 1960 | 48,916 | Fair |
All bridges nearby: Putnam County, TN bridge conditions · every bridge in Putnam County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.