Nfa A412 over Dog Branch
PoorMaury County, Tennessee · 3 M. Nw. Mt. Pleasant. · Structure no. 600A4120001
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected June 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 33 ft
- 2 main spans
- Daily traffic
- 100
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A412 over Dog Branch is a concrete continuous culvert carrying Nfa A412 over Dog Branch in Maury County, Tennessee. It was built in 1940, so it is 85 years old, older than the Tennessee average of 47.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2042. The structure is 33 ft (10.1 m) long and 21 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A412 over Dog Branch built?
It was built in 1940, making it 85 years old in 2025.
What condition is Nfa A412 over Dog Branch in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does Nfa A412 over Dog Branch carry?
About 100 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A412 over Dog Branch?
The structure is 33 ft (10.1 m) long with a longest span of 13 ft (4 m) and a deck 21 ft wide.
Who owns Nfa A412 over Dog Branch?
It is owned by the County Highway Agency.