Nfa 1888 (sa 6317) over Big Mcadoo Creek
PoorPosted for loadMontgomery County, Tennessee · 7 MI N Southside · Structure no. 63S62710001
- Built
- 1959
- 66 years old
- Condition
- Poor
- inspected October 2024
- Type
- Tee Beam
- Concrete
- Length
- 171 ft
- 6 main spans
- Daily traffic
- 1,350
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa 1888 (sa 6317) over Big Mcadoo Creek is a concrete tee beam carrying Nfa 1888 (sa 6317) over Big Mcadoo Creek in Montgomery County, Tennessee. It was built in 1959, so it is 66 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 1,350 vehicles a day, roughly 3% of them trucks, projected to reach 2,160 by 2042. The structure is 171 ft (52.1 m) long and 29 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa 1888 (sa 6317) over Big Mcadoo Creek built?
It was built in 1959, making it 66 years old in 2025.
What condition is Nfa 1888 (sa 6317) over Big Mcadoo 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 October 2024.
How much traffic does Nfa 1888 (sa 6317) over Big Mcadoo Creek carry?
About 1,350 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is Nfa 1888 (sa 6317) over Big Mcadoo Creek?
The structure is 171 ft (52.1 m) long with a longest span of 27 ft (8.2 m) and a deck 29 ft wide.
Who owns Nfa 1888 (sa 6317) over Big Mcadoo Creek?
It is owned by the County Highway Agency.