Colbert Hollow Roa over Little Chickamauga Creek
Catoosa County, Georgia · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Colbert Hollow Roa over Little Chickamauga Creek in Catoosa County, Georgia, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2008, making it 17 years old at the 2025 inventory.
- It carries about 850 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 46 of the 86 inventoried bridges in Catoosa County rated good (53.5%); 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 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 → (34.77882, -85.15367)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 100 ft |
| Location | 9.7 Mi SW of Ringgold |
| NBI structure number | 000000004750490 |
| 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) | 8: foundations stable, scour above the top of the footing |
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 Chickamauga Creek | 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 |
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.