Nfa A978 over Branch
PoorGibson County, Tennessee · 2.4 MI NE JCT SR43&SR105 · Structure no. 270A9780001
- Built
- 1989
- 36 years old
- Condition
- Poor
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 25 ft
- 1 main span
- Daily traffic
- 130
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A978 over Branch is a wood or timber stringer/multi-beam or girder carrying Nfa A978 over Branch in Gibson County, Tennessee. It was built in 1989, so it is 36 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 2 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: open, temporary structure in place while original is closed.
It carries about 130 vehicles a day, roughly 10% of them trucks, projected to reach 208 by 2041. The structure is 25 ft (7.6 m) long and 23 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| 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 A978 over Branch built?
It was built in 1989, making it 36 years old in 2025.
What condition is Nfa A978 over 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 A978 over Branch carry?
About 130 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Nfa A978 over Branch?
The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.
Who owns Nfa A978 over Branch?
It is owned by the County Highway Agency.