Nfa A358 over Big Bigby Branch
Maury County, Tennessee · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A358 over Big Bigby Branch in Maury County, Tennessee, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1916, making it 109 years old at the 2025 inventory.
- It carries about 140 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 25 of the 424 inventoried bridges in Maury County rated poor (5.9%); 25 (5.9%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (35.4832, -87.24249)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 3 | Serious condition |
| Substructure | 3 | Serious condition |
Bridge details
| Structure | Concrete deck arch |
| Length | about 145 ft |
| Location | 4 M S of Mt Pleasant |
| NBI structure number | 600A3580001 |
| Condition class | Poor |
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.