I0020 over F1F1 Bayou
FairBossier Parish, Louisiana · 5.5 MI East of LA 782-2 · Structure no. 040804510209762
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected November 2023
- Type
- Slab
- Concrete
- Length
- 140 ft
- 7 main spans
- Daily traffic
- 62,470
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I0020 over F1F1 Bayou is a concrete slab carrying I0020 over F1F1 Bayou in Bossier Parish, Louisiana. It was built in 1975, so it is 50 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 62,470 vehicles a day, roughly 19% of them trucks, projected to reach 68,717 by 2041. The structure is 140 ft (42.7 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
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I0020 over F1F1 Bayou built?
It was built in 1975, making it 50 years old in 2025.
What condition is I0020 over F1F1 Bayou 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 November 2023.
How much traffic does I0020 over F1F1 Bayou carry?
About 62,470 vehicles per day (2021 count), of which roughly 19% are trucks.
How long is I0020 over F1F1 Bayou?
The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.
Who owns I0020 over F1F1 Bayou?
It is owned by the State Highway Agency.