US0171 over Castor Creek Relief
FairVernon Parish, Louisiana · 5.1 MI North of LA 10 · Structure no. 085800240615502
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected February 2024
- Type
- Slab
- Concrete
- Length
- 201 ft
- 10 main spans
- Daily traffic
- 6,952
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US0171 over Castor Creek Relief is a concrete slab carrying US0171 over Castor Creek Relief in Vernon Parish, Louisiana. It was built in 1975, so it is 50 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 6,952 vehicles a day, roughly 15% of them trucks, projected to reach 7,647 by 2041. The structure is 201 ft (61.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US0171 over Castor Creek Relief built?
It was built in 1975, making it 50 years old in 2025.
What condition is US0171 over Castor Creek Relief 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 February 2024.
How much traffic does US0171 over Castor Creek Relief carry?
About 6,952 vehicles per day (2021 count), of which roughly 15% are trucks.
How long is US0171 over Castor Creek Relief?
The structure is 201 ft (61.3 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.
Who owns US0171 over Castor Creek Relief?
It is owned by the State Highway Agency.