I-75 over Chickamauga Creek
Catoosa County, Georgia · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-75 over Chickamauga Creek in Catoosa County, Georgia, 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 1961 and reconstructed in 1988, making it 64 years old at the 2025 inventory.
- It carries about 103,000 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 37 of the 86 inventoried bridges in Catoosa County rated fair (43.0%); 3 (3.5%) 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 December 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 → (34.98012, -85.19884)
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 steel stringer or multi-beam girder |
| Length | about 251 ft |
| Location | 3.7 Mi NE Fort Oglethorpe |
| NBI structure number | 000000004700450 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Georgia department of transportation.
Busiest bridges in Catoosa County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 over SR 146 | 1961 | 103,000 | Good |
| I-75 over CR 15 Scruggs Road | 1961 | 103,000 | Fair |
| I-75 over SR 2 | 1961 | 94,800 | Fair |
| I-75 (nbl) over Three Notch Road | 1961 | 94,800 | Fair |
| I-75 over Peavine Creek | 1961 | 94,800 | Good |
| I-75 over M-1136 | 1961 | 94,800 | Good |
All bridges nearby: Catoosa County, GA bridge conditions · every bridge in Catoosa County · Georgia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.