Nielson RD over Serpent Bayou
Fair Condition26 years old61 vehicles/day
Location
| State | Louisiana |
| County | Allen |
| Location | 1.0 Mi W Of La 99 |
| Carries | Nielson RD |
| Crosses | Serpent Bayou |
| Coordinates | 30.46777, -92.79121 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 95.1 ft (29 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 240.7 sq m |
| Main Spans | 5 |
| Year Built | 2000 |
Traffic
| Avg Daily Traffic | 61 (2020) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 070230280924741 |