Nfa A081 over Knob Creek
Maury County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A081 over Knob Creek in Maury County, Tennessee, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1984, making it 41 years old at the 2025 inventory.
- It carries about 280 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 169 of the 424 inventoried bridges in Maury County rated good (39.9%); 25 (5.9%) are rated poor.
- 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 → (35.73442, -87.06905)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 25 ft |
| Location | 8 M. W. Spring Hill |
| NBI structure number | 600A0810001 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Maury County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I65 over Pumpkin Creek | 1963 | 60,646 | Fair |
| I65 over Rutherford Creek | 1961 | 60,646 | Fair |
| I65 over Rutherford Creek | 1961 | 60,646 | Fair |
| I65 over I65 Rl / SR 99 | 2024 | 57,130 | Good |
| I65 over Duck River | 1962 | 52,122 | Fair |
| I65 over Duck River | 1962 | 52,122 | Fair |
All bridges nearby: Maury County, TN bridge conditions · every bridge in Maury County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.