Nfa A074 (sa 0920) over South Fork Obion River
Carroll County, Tennessee · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A074 (sa 0920) over South Fork Obion River in Carroll County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1969, making it 56 years old at the 2025 inventory.
- It carries about 170 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 144 of the 239 inventoried bridges in Carroll County rated fair (60.3%); 4 (1.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated August 2023, on a 24-month routine inspection cycle.
- 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 → (36.05992, -88.66506)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 153 ft |
| Location | 4.2 Mi NW Jct SR76&SR105 |
| NBI structure number | 090A0740003 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Carroll County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 22 over Crooked Creek | 1991 | 9,535 | Fair |
| Fap 22 over Clear Creek | 1991 | 9,535 | Fair |
| Fap 22 over Clear Creek | 1991 | 9,535 | Fair |
| Fap 76 over Spring Creek | 1951 | 9,400 | Fair |
| Fas 1 over Beaver Creek | 1928 | 7,953 | Fair |
| Fas 1 over Branch | 1922 | 7,730 | Fair |
All bridges nearby: Carroll County, TN bridge conditions · every bridge in Carroll County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.