LA0478 over Bayou Demuse
GoodNatchitoches Parish, Louisiana · 2.2 Mi. West of LA 117 · Structure no. 083501160203061
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Concrete
- Length
- 100 ft
- 5 main spans
- Daily traffic
- 60
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0478 over Bayou Demuse is a concrete slab carrying LA0478 over Bayou Demuse in Natchitoches Parish, Louisiana. It was built in 1996, so it is 29 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 60 vehicles a day, roughly 14% of them trucks, projected to reach 66 by 2041. The structure is 100 ft (30.5 m) long and 33 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 LA0478 over Bayou Demuse built?
It was built in 1996, making it 29 years old in 2025.
What condition is LA0478 over Bayou Demuse 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 March 2024.
How much traffic does LA0478 over Bayou Demuse carry?
About 60 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is LA0478 over Bayou Demuse?
The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.
Who owns LA0478 over Bayou Demuse?
It is owned by the State Highway Agency.