Nfa A358 over Big Bigby Branch
PoorClosed to trafficMaury County, Tennessee · 4 M S of Mt Pleasant · Structure no. 600A3580001
- Built
- 1916
- 109 years old
- Condition
- Poor
- inspected June 2024
- Type
- Arch - Deck
- Concrete
- Length
- 145 ft
- 5 main spans
- Daily traffic
- 140
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A358 over Big Bigby Branch is a concrete arch - deck carrying Nfa A358 over Big Bigby Branch in Maury County, Tennessee. It was built in 1916, so it is 109 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 3 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: closed to all traffic.
It carries about 140 vehicles a day, roughly 2% of them trucks, projected to reach 224 by 2042. The structure is 145 ft (44.2 m) long and 14 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 A358 over Big Bigby Branch built?
It was built in 1916, making it 109 years old in 2025.
What condition is Nfa A358 over Big Bigby 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 June 2024.
How much traffic does Nfa A358 over Big Bigby Branch carry?
About 140 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A358 over Big Bigby Branch?
The structure is 145 ft (44.2 m) long with a longest span of 30 ft (9.1 m) and a deck 14 ft wide.
Who owns Nfa A358 over Big Bigby Branch?
It is owned by the County Highway Agency.