I0020 over Bayou Lafourche
FairRichland Parish, Louisiana · 4.0 MI West of LA 133 · Structure no. 054204510700272
- Built
- 1968
- 57 years old, rebuilt 1991
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 542 ft
- 9 main spans
- Daily traffic
- 16,997
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I0020 over Bayou Lafourche is a prestressed concrete stringer/multi-beam or girder carrying I0020 over Bayou Lafourche in Richland Parish, Louisiana. It was built in 1968 and reconstructed in 1991, so it is 57 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 16,997 vehicles a day, roughly 37% of them trucks, projected to reach 18,696 by 2041. The structure is 542 ft (165.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I0020 over Bayou Lafourche built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1991.
What condition is I0020 over Bayou Lafourche 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 October 2023.
How much traffic does I0020 over Bayou Lafourche carry?
About 16,997 vehicles per day (2021 count), of which roughly 37% are trucks.
How long is I0020 over Bayou Lafourche?
The structure is 542 ft (165.2 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.
Who owns I0020 over Bayou Lafourche?
It is owned by the State Highway Agency.