LA0120 over Dupont Bayou
GoodNatchitoches Parish, Louisiana · 5.5 Miles East of LA 487 · Structure no. 083500000080533
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected February 2024
- Type
- Slab
- Concrete
- Length
- 100 ft
- 5 main spans
- Daily traffic
- 1,946
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0120 over Dupont Bayou is a concrete slab carrying LA0120 over Dupont Bayou in Natchitoches Parish, Louisiana. It was built in 2009, so it is 16 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 1,946 vehicles a day, roughly 14% of them trucks, projected to reach 2,140 by 2041. The structure is 100 ft (30.5 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 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 LA0120 over Dupont Bayou built?
It was built in 2009, making it 16 years old in 2025.
What condition is LA0120 over Dupont 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 February 2024.
How much traffic does LA0120 over Dupont Bayou carry?
About 1,946 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is LA0120 over Dupont Bayou?
The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.
Who owns LA0120 over Dupont Bayou?
It is owned by the State Highway Agency.