LA0421 over Mill Creek Trib
FairWest Feliciana Parish, Louisiana · LA0421 · Structure no. 616308630204861
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected December 2023
- Type
- Slab
- Concrete
- Length
- 57 ft
- 3 main spans
- Daily traffic
- 739
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0421 over Mill Creek Trib is a concrete slab carrying LA0421 over Mill Creek Trib in West Feliciana 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 5 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 739 vehicles a day, roughly 14% of them trucks, projected to reach 812 by 2041. The structure is 57 ft (17.4 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 LA0421 over Mill Creek Trib built?
It was built in 1973, making it 52 years old in 2025.
What condition is LA0421 over Mill Creek Trib 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 December 2023.
How much traffic does LA0421 over Mill Creek Trib carry?
About 739 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is LA0421 over Mill Creek Trib?
The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.
Who owns LA0421 over Mill Creek Trib?
It is owned by the State Highway Agency.