Nfa D402 over Little Flat Creek
FairKnox County, Tennessee · Childs Rd-S Off Washingtn · Structure no. 470D4020001
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 69 ft
- 1 main span
- Daily traffic
- 100
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa D402 over Little Flat Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa D402 over Little Flat Creek in Knox County, Tennessee. It was built in 1963, so it is 62 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2040. The structure is 69 ft (21 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa D402 over Little Flat Creek built?
It was built in 1963, making it 62 years old in 2025.
What condition is Nfa D402 over Little Flat Creek 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 May 2024.
How much traffic does Nfa D402 over Little Flat Creek carry?
About 100 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa D402 over Little Flat Creek?
The structure is 69 ft (21 m) long with a longest span of 66 ft (20.1 m) and a deck 20 ft wide.
Who owns Nfa D402 over Little Flat Creek?
It is owned by the County Highway Agency.