Nfa 1593 (sa 2723) over South Fork Obion River
Gibson County, Tennessee · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa 1593 (sa 2723) over South Fork Obion River in Gibson County, Tennessee, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1988, making it 37 years old at the 2025 inventory.
- It carries about 242 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 239 of the 386 inventoried bridges in Gibson County rated fair (61.9%); 17 (4.4%) 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 July 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 → (36.12819, -88.84972)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 152 ft |
| Location | 3.3 Mi NW Jct SR43&SRU05 |
| NBI structure number | 27015930013 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Gibson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 43 over Clear Creek | 1975 | 19,316 | Fair |
| Fap 366 348395N over CSX Railroad / A905&b117 | 1968 | 17,514 | Fair |
| Fap 5 over Sugar Creek | 1992 | 14,916 | Fair |
| Fap 5 over Sugar Creek | 1992 | 14,916 | Fair |
| Fap 43 299193E over I.c.g. Railroad | 1989 | 13,471 | Fair |
| Fap 43 299193E over I.c.g. Railroad | 1969 | 13,471 | Fair |
All bridges nearby: Gibson County, TN bridge conditions · every bridge in Gibson County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.