LA 12 over Ashworth Slough
GoodCalcasieu Parish, Louisiana · 3.2 MI E of Texas Line · Structure no. 071000000070243
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 400 ft
- 10 main spans
- Daily traffic
- 4,600
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
LA 12 over Ashworth Slough is a prestressed concrete continuous stringer/multi-beam or girder carrying LA 12 over Ashworth Slough in Calcasieu Parish, Louisiana. It was built in 2023, so it is 2 years old, younger than the Louisiana average of 43 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 4,600 vehicles a day, roughly 14% of them trucks, projected to reach 5,060 by 2038. The structure is 400 ft (121.9 m) long and 61 ft wide. If it were closed, the detour would be 21.7 mi (35 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA 12 over Ashworth Slough built?
It was built in 2023, making it 2 years old in 2025.
What condition is LA 12 over Ashworth Slough in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.
How much traffic does LA 12 over Ashworth Slough carry?
About 4,600 vehicles per day (2018 count), of which roughly 14% are trucks.
How long is LA 12 over Ashworth Slough?
The structure is 400 ft (121.9 m) long with a longest span of 40 ft (12.2 m) and a deck 61 ft wide.
Who owns LA 12 over Ashworth Slough?
It is owned by the State Highway Agency.