Nfa 1905 over Knob Creek
PoorMaury County, Tennessee · 5 M. Nw. Columbia. · Structure no. 60019050005
- Built
- 1920
- 105 years old, rebuilt 1966
- Condition
- Poor
- inspected April 2024
- Type
- Arch - Deck
- Concrete
- Length
- 81 ft
- 3 main spans
- Daily traffic
- 228
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa 1905 over Knob Creek is a concrete arch - deck carrying Nfa 1905 over Knob Creek in Maury County, Tennessee. It was built in 1920 and reconstructed in 1966, so it is 105 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 228 vehicles a day, roughly 4% of them trucks, projected to reach 365 by 2042. The structure is 81 ft (24.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 1905 over Knob Creek built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1966.
What condition is Nfa 1905 over Knob 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 April 2024.
How much traffic does Nfa 1905 over Knob Creek carry?
About 228 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is Nfa 1905 over Knob Creek?
The structure is 81 ft (24.7 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.
Who owns Nfa 1905 over Knob Creek?
It is owned by the County Highway Agency.