I75 Sbl over SR 30
GoodMcMinn County, Tennessee · 13.8 Mi. from Bradley Co. · Structure no. 54I00750020
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected April 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 193 ft
- 2 main spans
- Daily traffic
- 42,449
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I75 Sbl over SR 30 is a prestressed concrete continuous box beam or girders - single or spread carrying I75 Sbl over SR 30 in McMinn County, Tennessee. It was built in 1973, so it is 52 years old, older than the Tennessee average of 47.4 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 42,449 vehicles a day, roughly 7% of them trucks, projected to reach 67,918 by 2042. The structure is 193 ft (58.8 m) long and 44 ft wide.
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 I75 Sbl over SR 30 built?
It was built in 1973, making it 52 years old in 2025.
What condition is I75 Sbl over SR 30 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 April 2024.
How much traffic does I75 Sbl over SR 30 carry?
About 42,449 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is I75 Sbl over SR 30?
The structure is 193 ft (58.8 m) long with a longest span of 97 ft (29.6 m) and a deck 44 ft wide.
Who owns I75 Sbl over SR 30?
It is owned by the State Highway Agency.