LA0490 over Cane River @ Marco
FairNatchitoches Parish, Louisiana · 1.39 Mi. S of Int 3279 · Structure no. 083508351004491
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 402 ft
- 8 main spans
- Daily traffic
- 138
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0490 over Cane River @ Marco is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0490 over Cane River @ Marco in Natchitoches Parish, Louisiana. It was built in 1985, so it is 40 years old, younger 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 138 vehicles a day, roughly 10% of them trucks, projected to reach 151 by 2041. The structure is 402 ft (122.5 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0490 over Cane River @ Marco built?
It was built in 1985, making it 40 years old in 2025.
What condition is LA0490 over Cane River @ Marco 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 April 2024.
How much traffic does LA0490 over Cane River @ Marco carry?
About 138 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is LA0490 over Cane River @ Marco?
The structure is 402 ft (122.5 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.
Who owns LA0490 over Cane River @ Marco?
It is owned by the State Highway Agency.