I-185 (sbl) over CR 181 Thompson Road
Troup County, Georgia · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-185 (sbl) over CR 181 Thompson Road in Troup County, Georgia, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1977, making it 48 years old at the 2025 inventory.
- It carries about 43,500 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 124 of the 168 inventoried bridges in Troup County rated good (73.8%); 1 (0.6%) 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 November 2023, on a 24-month routine inspection cycle.
- 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 → (32.91985, -84.94712)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 145 ft |
| Location | 8 Mi SE of Lagrange |
| NBI structure number | 000000028500770 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Georgia department of transportation.
Busiest bridges in Troup County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-85 (sbl) over Flat Creek | 1977 | 55,500 | Good |
| I-85 over Shoal Creek | 1977 | 54,600 | Good |
| I-85 over Beech Creek Trib | 1977 | 54,600 | Fair |
| I-85 (nbl) over Beech Creek | 1977 | 54,600 | Good |
| I-85 (nbl) over Flat Creek | 1977 | 54,600 | Good |
| I-185 (sbl) over CSX Railroad | 1977 | 53,800 | Good |
All bridges nearby: Troup County, GA bridge conditions · every bridge in Troup County · Georgia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.