Sparrow Lane over Marteau Bayou
PoorPosted for loadGrant Parish, Louisiana · 0.3 M. SE of LA 492 · Structure no. 082231280923681
- Built
- 1919
- 106 years old
- Condition
- Poor
- inspected February 2023
- Type
- Tee Beam
- Concrete
- Length
- 149 ft
- 5 main spans
- Daily traffic
- 40
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Sparrow Lane over Marteau Bayou is a concrete tee beam carrying Sparrow Lane over Marteau Bayou in Grant Parish, Louisiana. It was built in 1919, so it is 106 years old, older than the Louisiana average of 43 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 40 vehicles a day, projected to reach 44 by 2042. The structure is 149 ft (45.4 m) long and 18 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| 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 | 4 Poor | Advanced section loss, deterioration, 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 Sparrow Lane over Marteau Bayou built?
It was built in 1919, making it 106 years old in 2025.
What condition is Sparrow Lane over Marteau Bayou in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.
How much traffic does Sparrow Lane over Marteau Bayou carry?
About 40 vehicles per day (2022 count).
How long is Sparrow Lane over Marteau Bayou?
The structure is 149 ft (45.4 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.
Who owns Sparrow Lane over Marteau Bayou?
It is owned by the County Highway Agency.