Nfa A231 over Marrowbone Creek
PoorPosted for loadCheatham County, Tennessee · 2.3 M. Ne. SR12. · Structure no. 110A2310003
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 80 ft
- 2 main spans
- Daily traffic
- 110
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A231 over Marrowbone Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A231 over Marrowbone Creek in Cheatham County, Tennessee. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.
It carries about 110 vehicles a day, roughly 4% of them trucks, projected to reach 176 by 2042. The structure is 80 ft (24.4 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A231 over Marrowbone Creek built?
It was built in 1965, making it 60 years old in 2025.
What condition is Nfa A231 over Marrowbone Creek 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 August 2024.
How much traffic does Nfa A231 over Marrowbone Creek carry?
About 110 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Nfa A231 over Marrowbone Creek?
The structure is 80 ft (24.4 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.
Who owns Nfa A231 over Marrowbone Creek?
It is owned by the County Highway Agency.