LA1040 over Natalbany River
GoodTangipahoa Parish, Louisiana · Tangi-Liv. Parish Line · Structure no. 625308531000001
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 350 ft
- 7 main spans
- Daily traffic
- 7,190
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA1040 over Natalbany River is a prestressed concrete stringer/multi-beam or girder carrying LA1040 over Natalbany River in Tangipahoa Parish, Louisiana. It was built in 1986, so it is 39 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 7,190 vehicles a day, roughly 9% of them trucks, projected to reach 7,909 by 2041. The structure is 350 ft (106.7 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 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 LA1040 over Natalbany River built?
It was built in 1986, making it 39 years old in 2025.
What condition is LA1040 over Natalbany River 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 2023.
How much traffic does LA1040 over Natalbany River carry?
About 7,190 vehicles per day (2021 count), of which roughly 9% are trucks.
How long is LA1040 over Natalbany River?
The structure is 350 ft (106.7 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.
Who owns LA1040 over Natalbany River?
It is owned by the State Highway Agency.