US 190 over Slough
FairAllen Parish, Louisiana · 8.6 Mi. E of LA 113 · Structure no. 070200120613531
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete
- Length
- 95 ft
- 5 main spans
- Daily traffic
- 2,958
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 190 over Slough is a concrete slab carrying US 190 over Slough in Allen Parish, Louisiana. It was built in 1976, so it is 49 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 5 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 2,958 vehicles a day, roughly 18% of them trucks, projected to reach 3,253 by 2043. The structure is 95 ft (29 m) long and 43 ft wide. If it were closed, the detour would be 34.8 mi (56 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 190 over Slough built?
It was built in 1976, making it 49 years old in 2025.
What condition is US 190 over Slough 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 March 2024.
How much traffic does US 190 over Slough carry?
About 2,958 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is US 190 over Slough?
The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 43 ft wide.
Who owns US 190 over Slough?
It is owned by the State Highway Agency.