Nfa A121 over Furnace Creek
GoodJohnson County, Tennessee · Church St-E Off US421 · Structure no. 460A1210001
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected April 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 53 ft
- 1 main span
- Daily traffic
- 850
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Nfa A121 over Furnace Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A121 over Furnace Creek in Johnson County, Tennessee. It was built in 2002, so it is 23 years old, younger 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 850 vehicles a day, roughly 2% of them trucks, projected to reach 1,360 by 2040. The structure is 53 ft (16.2 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A121 over Furnace Creek built?
It was built in 2002, making it 23 years old in 2025.
What condition is Nfa A121 over Furnace Creek 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 Nfa A121 over Furnace Creek carry?
About 850 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A121 over Furnace Creek?
The structure is 53 ft (16.2 m) long with a longest span of 45 ft (13.7 m) and a deck 29 ft wide.
Who owns Nfa A121 over Furnace Creek?
It is owned by the City or Municipal Highway Agency.