I-75 over SR 146
GoodCatoosa County, Georgia · 4 MI E of Ft Oglethorpe · Structure no. 000000004700410
- Built
- 1961
- 64 years old, rebuilt 2010
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 225 ft
- 3 main spans
- Daily traffic
- 103,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-75 over SR 146 is a prestressed concrete stringer/multi-beam or girder carrying I-75 over SR 146 in Catoosa County, Georgia. It was built in 1961 and reconstructed in 2010, so it is 64 years old, older than the Georgia average of 47.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 103,000 vehicles a day, roughly 1% of them trucks, projected to reach 131,595 by 2031. The structure is 225 ft (68.6 m) long and 154 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-75 over SR 146 built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2010.
What condition is I-75 over SR 146 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.
How much traffic does I-75 over SR 146 carry?
About 103,000 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is I-75 over SR 146?
The structure is 225 ft (68.6 m) long with a longest span of 138 ft (42.1 m) and a deck 154 ft wide.
Who owns I-75 over SR 146?
It is owned by the State Highway Agency.