Nfa B021 over Duck River
PoorPosted for loadMaury County, Tennessee · .5 M. Sw. Williamsport. · Structure no. 600B0210001
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 338 ft
- 5 main spans
- Daily traffic
- 110
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa B021 over Duck River is a steel continuous stringer/multi-beam or girder carrying Nfa B021 over Duck River in Maury 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 2% of them trucks, projected to reach 176 by 2042. The structure is 338 ft (102.9 m) long and 16 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 B021 over Duck River built?
It was built in 1965, making it 60 years old in 2025.
What condition is Nfa B021 over Duck River 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 July 2024.
How much traffic does Nfa B021 over Duck River carry?
About 110 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa B021 over Duck River?
The structure is 338 ft (102.9 m) long with a longest span of 80 ft (24.5 m) and a deck 16 ft wide.
Who owns Nfa B021 over Duck River?
It is owned by the County Highway Agency.