Nfa A345 over Salt Lick Crk
PoorPosted for loadMacon County, Tennessee · In Red Boiling Springs · Structure no. 560A3450001
- Built
- 1950
- 75 years old, rebuilt 2006
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 180
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Nfa A345 over Salt Lick Crk is a steel stringer/multi-beam or girder carrying Nfa A345 over Salt Lick Crk in Macon County, Tennessee. It was built in 1950 and reconstructed in 2006, so it is 75 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 180 vehicles a day, roughly 4% of them trucks, projected to reach 288 by 2042. The structure is 30 ft (9.1 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 A345 over Salt Lick Crk built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2006.
What condition is Nfa A345 over Salt Lick Crk 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 September 2023.
How much traffic does Nfa A345 over Salt Lick Crk carry?
About 180 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Nfa A345 over Salt Lick Crk?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.
Who owns Nfa A345 over Salt Lick Crk?
It is owned by the City or Municipal Highway Agency.