Triune Mill Road over Swift Creek
Upson County, Georgia · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Triune Mill Road over Swift Creek in Upson County, Georgia, 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 1960, making it 65 years old at the 2025 inventory.
- It carries about 440 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 17 of the 61 inventoried bridges in Upson County rated fair (27.9%); 3 (4.9%) 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 → (32.86716, -84.27429)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 96 ft |
| Location | 2 Mi SE of Thomaston |
| NBI structure number | 000000029350180 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Georgia department of transportation.
Busiest bridges in Upson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 19/ SR 3 over Potato Creek | 2013 | 21,400 | Good |
| US 19 over Bell Creek | 1938 | 5,400 | Good |
| SR 74 over Potato Creek | 1993 | 4,680 | Good |
| Delray Road over Potato Creek | 1994 | 3,350 | Good |
| Old County Road over Potato Creek | 1977 | 3,240 | Good |
| US 19 Nbl/ SR 3 over Tobler Creek | 1972 | 3,150 | Good |
All bridges nearby: Upson County, GA bridge conditions · every bridge in Upson County · Georgia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.