I75 over SR 9
FairAnderson County, Tennessee · 11.28 Mi.From Knox Co.Ln. · Structure no. 01I00750036
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected August 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 168 ft
- 3 main spans
- Daily traffic
- 43,155
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I75 over SR 9 is a prestressed concrete box beam or girders - single or spread carrying I75 over SR 9 in Anderson County, Tennessee. It was built in 1970, so it is 55 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 43,155 vehicles a day, roughly 6% of them trucks, projected to reach 66,069 by 2042. The structure is 168 ft (51.2 m) long and 45 ft wide.
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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I75 over SR 9 built?
It was built in 1970, making it 55 years old in 2025.
What condition is I75 over SR 9 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 August 2023.
How much traffic does I75 over SR 9 carry?
About 43,155 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is I75 over SR 9?
The structure is 168 ft (51.2 m) long with a longest span of 74 ft (22.6 m) and a deck 45 ft wide.
Who owns I75 over SR 9?
It is owned by the State Highway Agency.