Nfa A497 over Adams Branch
PoorPosted for loadGibson County, Tennessee · 4.9 MI NW JCT SR43&SR77 · Structure no. 270A4970001
- Built
- 1995
- 30 years old
- Condition
- Poor
- inspected July 2023
- Type
- Channel Beam
- Concrete
- Length
- 39 ft
- 2 main spans
- Daily traffic
- 100
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A497 over Adams Branch is a concrete channel beam carrying Nfa A497 over Adams Branch in Gibson County, Tennessee. It was built in 1995, so it is 30 years old, younger 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2042. The structure is 39 ft (11.9 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A497 over Adams Branch built?
It was built in 1995, making it 30 years old in 2025.
What condition is Nfa A497 over Adams 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 July 2023.
How much traffic does Nfa A497 over Adams Branch carry?
About 100 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A497 over Adams Branch?
The structure is 39 ft (11.9 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.
Who owns Nfa A497 over Adams Branch?
It is owned by the County Highway Agency.