Nfa 2434 (sa 4717) over Brushy Valley Rd. / I75
FairKnox County, Tennessee · Just S of SR170 Exit · Structure no. 47I00750059
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected January 2025
- Type
- Tee Beam
- Concrete Continuous
- Length
- 225 ft
- 4 main spans
- Daily traffic
- 969
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Nfa 2434 (sa 4717) over Brushy Valley Rd. / I75 is a concrete continuous tee beam carrying Nfa 2434 (sa 4717) over Brushy Valley Rd. / I75 in Knox County, Tennessee. It was built in 1971, so it is 54 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 6 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 969 vehicles a day, roughly 1% of them trucks, projected to reach 1,696 by 2041. The structure is 225 ft (68.5 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Nfa 2434 (sa 4717) over Brushy Valley Rd. / I75 built?
It was built in 1971, making it 54 years old in 2025.
What condition is Nfa 2434 (sa 4717) over Brushy Valley Rd. / I75 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 January 2025.
How much traffic does Nfa 2434 (sa 4717) over Brushy Valley Rd. / I75 carry?
About 969 vehicles per day (2021 count), of which roughly 1% are trucks.
How long is Nfa 2434 (sa 4717) over Brushy Valley Rd. / I75?
The structure is 225 ft (68.5 m) long with a longest span of 64 ft (19.5 m) and a deck 32 ft wide.
Who owns Nfa 2434 (sa 4717) over Brushy Valley Rd. / I75?
It is owned by the State Highway Agency.