Nfa 992 over Branch
Williamson County, Tennessee · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa 992 over Branch in Williamson 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 1986, making it 39 years old at the 2025 inventory.
- It carries about 5,961 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 174 of the 531 inventoried bridges in Williamson County rated fair (32.8%); 16 (3.0%) 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 → (36.01658, -86.84642)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 34 ft |
| Location | 2.5 Mi NE Jct SR46&SR106 |
| NBI structure number | 94009920003 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Williamson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I65 over I65 / Liberty Pike | 1997 | 138,787 | Good |
| I65 over Little Harpeth River | 1965 | 128,294 | Fair |
| I65 877478L over CSX Railroad | 1965 | 128,294 | Fair |
| I65 over CSX Railroad | 1965 | 128,294 | Fair |
| I65 over I65 / SR 252 | 1993 | 128,294 | Fair |
| I65 over Harpeth River | 2012 | 118,761 | Good |
All bridges nearby: Williamson County, TN bridge conditions · every bridge in Williamson County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.