N. Wllie RD over Drainage Ditch
Poor Condition36 years old2,255 vehicles/day
Location
| State | Louisiana |
| County | St. Tammany |
| Location | 2.2 M North Of La 1077 |
| Carries | N. Wllie RD |
| Crosses | Drainage Ditch |
| Coordinates | 30.60753, -90.21955 |
Condition Ratings
| Overall Condition | Poor |
| Channel/Waterway | 5 (Fair) |
| Culvert | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 41.0 ft (12.5 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Width | 80.1 ft (24.4 m) |
| Deck Area | 305 sq m |
| Main Spans | 4 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 2,255 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 625230364901311 |