Sparrow Lane over Marteau Bayou
Poor Condition107 years old40 vehicles/day
Location
| State | Louisiana |
| County | Grant |
| Location | 0.3 M. SE Of La 492 |
| Carries | Sparrow Lane |
| Crosses | Marteau Bayou |
| Coordinates | 31.46640, -92.61150 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 149.0 ft (45.4 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 18.4 ft (5.6 m) |
| Deck Area | 254.2 sq m |
| Main Spans | 5 |
| Year Built | 1919 |
Traffic
| Avg Daily Traffic | 40 (2022) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 082231280923681 |