Nfa A005 (sa 7708) over Big Brush Creek
FairPosted for loadSequatchie County, Tennessee · In City of Dunlap · Structure no. 770A0050001
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 182 ft
- 4 main spans
- Daily traffic
- 410
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Nfa A005 (sa 7708) over Big Brush Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A005 (sa 7708) over Big Brush Creek in Sequatchie County, Tennessee. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.
It carries about 410 vehicles a day, roughly 8% of them trucks, projected to reach 656 by 2041. The structure is 182 ft (55.5 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A005 (sa 7708) over Big Brush Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is Nfa A005 (sa 7708) over Big Brush 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 December 2024.
How much traffic does Nfa A005 (sa 7708) over Big Brush Creek carry?
About 410 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is Nfa A005 (sa 7708) over Big Brush Creek?
The structure is 182 ft (55.5 m) long with a longest span of 46 ft (14 m) and a deck 29 ft wide.
Who owns Nfa A005 (sa 7708) over Big Brush Creek?
It is owned by the City or Municipal Highway Agency.