LA0487 over Mayous Bayou
GoodNatchitoches Parish, Louisiana · .32 Mi. N of LA120 · Structure no. 083501130300321
- Built
- 1958
- 67 years old
- Condition
- Good
- inspected January 2024
- Type
- Slab
- Concrete
- Length
- 80 ft
- 4 main spans
- Daily traffic
- 570
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0487 over Mayous Bayou is a concrete slab carrying LA0487 over Mayous Bayou in Natchitoches Parish, Louisiana. It was built in 1958, so it is 67 years old, older 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 570 vehicles a day, roughly 14% of them trucks, projected to reach 627 by 2041. The structure is 80 ft (24.4 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0487 over Mayous Bayou built?
It was built in 1958, making it 67 years old in 2025.
What condition is LA0487 over Mayous Bayou 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 January 2024.
How much traffic does LA0487 over Mayous Bayou carry?
About 570 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is LA0487 over Mayous Bayou?
The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.
Who owns LA0487 over Mayous Bayou?
It is owned by the State Highway Agency.