La1090 over I-59
Fair Condition63 years old9,260 vehicles/day
Location
| State | Louisiana |
| County | St. Tammany |
| Location | La1090 |
| Carries | La1090 |
| Crosses | I-59 |
| Coordinates | 30.35301, -89.74020 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 313.0 ft (95.4 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 868.1 sq m |
| Main Spans | 4 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 9,260 (2021) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 625208522606851 |