SR 230 over I-75 @121.52 (exit 122)
Dooly County, Georgia · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 230 over I-75 @121.52 (exit 122) in Dooly County, Georgia, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1961, making it 64 years old at the 2025 inventory.
- It carries about 1,180 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 14 of the 73 inventoried bridges in Dooly County rated fair (19.2%); 1 (1.4%) 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 → (32.26054, -83.7496)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 222 ft |
| Location | Unadilla-westside |
| NBI structure number | 000000009300280 |
| 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) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Georgia department of transportation.
Busiest bridges in Dooly County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 over Pennahatchee Creek | 1960 | 57,000 | Good |
| I-75 over Camp Creek | 1961 | 56,100 | Good |
| I-75 over Sandy Mount Creek | 1960 | 55,200 | Good |
| I-75 over South Prong Creek Trib | 1961 | 55,200 | Good |
| I-75 over Nfs Railroad | 1961 | 55,200 | Fair |
| I-75 over SR 7 (US 41) Exit 120 | 1961 | 55,200 | Good |
All bridges nearby: Dooly County, GA bridge conditions · every bridge in Dooly County · Georgia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.