US 31 over Murphy Creek
FairBlount County, Alabama · 2.1 Mi. No. I-65 · Structure no. 002643
- Built
- 1942
- 83 years old
- Condition
- Fair
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 45 ft
- 3 main spans
- Daily traffic
- 2,400
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 31 over Murphy Creek is a concrete culvert carrying US 31 over Murphy Creek in Blount County, Alabama. It was built in 1942, so it is 83 years old, older than the Alabama average of 51.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,400 vehicles a day, roughly 9% of them trucks, projected to reach 3,083 by 2044. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 31 over Murphy Creek built?
It was built in 1942, making it 83 years old in 2025.
What condition is US 31 over Murphy Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does US 31 over Murphy Creek carry?
About 2,400 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is US 31 over Murphy Creek?
The structure is 45 ft (13.7 m) long with a longest span of 8 ft (2.4 m).
Who owns US 31 over Murphy Creek?
It is owned by the State Highway Agency.