LA0434 over I-12
FairSt. Tammany Parish, Louisiana · 2.6 MI N of US 190 · Structure no. 625208521202691
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 265 ft
- 4 main spans
- Daily traffic
- 3,690
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0434 over I-12 is a prestressed concrete stringer/multi-beam or girder carrying LA0434 over I-12 in St. Tammany Parish, Louisiana. It was built in 1973, so it is 52 years old, older than the Louisiana average of 43 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,690 vehicles a day, roughly 6% of them trucks, projected to reach 4,059 by 2041. The structure is 265 ft (80.8 m) long and 43 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0434 over I-12 built?
It was built in 1973, making it 52 years old in 2025.
What condition is LA0434 over I-12 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.
How much traffic does LA0434 over I-12 carry?
About 3,690 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is LA0434 over I-12?
The structure is 265 ft (80.8 m) long with a longest span of 88 ft (26.8 m) and a deck 43 ft wide.
Who owns LA0434 over I-12?
It is owned by the State Highway Agency.