Nfa A425 over Mulherrin Creek
GoodSmith County, Tennessee · .9 MI S JCT I40 & SR 141 · Structure no. 800A4250001
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 63 ft
- 4 main spans
- Daily traffic
- 30
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A425 over Mulherrin Creek is a concrete continuous culvert carrying Nfa A425 over Mulherrin Creek in Smith County, Tennessee. It was built in 1979, so it is 46 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2042. The structure is 63 ft (19.2 m) long. If it were closed, the detour would be 123.7 mi (199 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A425 over Mulherrin Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is Nfa A425 over Mulherrin 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 July 2023.
How much traffic does Nfa A425 over Mulherrin Creek carry?
About 30 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A425 over Mulherrin Creek?
The structure is 63 ft (19.2 m) long with a longest span of 15 ft (4.6 m).
Who owns Nfa A425 over Mulherrin Creek?
It is owned by the County Highway Agency.