I24 over I24 / Southern Railway
FairHamilton County, Tennessee · 1 M E of I124 JCT · Structure no. 33I00240029
- Built
- 1958
- 67 years old, rebuilt 1990
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 300 ft
- 3 main spans
- Daily traffic
- 105,057
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I24 over I24 / Southern Railway is a steel continuous stringer/multi-beam or girder carrying I24 over I24 / Southern Railway in Hamilton County, Tennessee. It was built in 1958 and reconstructed in 1990, so it is 67 years old, older than the Tennessee average of 47.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 105,057 vehicles a day, roughly 7% of them trucks, projected to reach 182,368 by 2041. The structure is 300 ft (91.4 m) long and 144 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I24 over I24 / Southern Railway built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1990.
What condition is I24 over I24 / Southern Railway in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does I24 over I24 / Southern Railway carry?
About 105,057 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is I24 over I24 / Southern Railway?
The structure is 300 ft (91.4 m) long with a longest span of 122 ft (37.2 m) and a deck 144 ft wide.
Who owns I24 over I24 / Southern Railway?
It is owned by the State Highway Agency.