LA0491 over Rat Bois Bayou
GoodNatchitoches Parish, Louisiana · 2.5 Mi. North of LA 495 · Structure no. 083500000080545
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 160 ft
- 4 main spans
- Daily traffic
- 237
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0491 over Rat Bois Bayou is a prestressed concrete stringer/multi-beam or girder carrying LA0491 over Rat Bois Bayou in Natchitoches Parish, Louisiana. It was built in 2010, so it is 15 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 237 vehicles a day, roughly 10% of them trucks, projected to reach 260 by 2041. The structure is 160 ft (48.8 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0491 over Rat Bois Bayou built?
It was built in 2010, making it 15 years old in 2025.
What condition is LA0491 over Rat Bois 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 April 2024.
How much traffic does LA0491 over Rat Bois Bayou carry?
About 237 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is LA0491 over Rat Bois Bayou?
The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.
Who owns LA0491 over Rat Bois Bayou?
It is owned by the State Highway Agency.