US0171 over Indian Bayou
FairBeauregard Parish, Louisiana · 10.6 MI North of LA 378 · Structure no. 070600240302661
- Built
- 1932
- 93 years old, rebuilt 2006
- Condition
- Fair
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 46 ft
- 5 main spans
- Daily traffic
- 12,466
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US0171 over Indian Bayou is a concrete culvert carrying US0171 over Indian Bayou in Beauregard Parish, Louisiana. It was built in 1932 and reconstructed in 2006, so it is 93 years old, older than the Louisiana average of 43 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 12,466 vehicles a day, roughly 16% of them trucks, projected to reach 13,712 by 2041. The structure is 46 ft (14 m) long and 182 ft wide. If it were closed, the detour would be 28 mi (45 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US0171 over Indian Bayou built?
It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2006.
What condition is US0171 over Indian Bayou 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 US0171 over Indian Bayou carry?
About 12,466 vehicles per day (2021 count), of which roughly 16% are trucks.
How long is US0171 over Indian Bayou?
The structure is 46 ft (14 m) long with a longest span of 8 ft (2.4 m) and a deck 182 ft wide.
Who owns US0171 over Indian Bayou?
It is owned by the State Highway Agency.