La0577 over I-20
Fair Condition55 years old184 vehicles/day
Location
| State | Louisiana |
| County | Madison |
| Location | La 577 Over I-20 |
| Carries | La0577 |
| Crosses | I-20 |
| Coordinates | 32.43105, -91.41920 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 283.1 ft (86.3 m) |
| Max Span | 92.8 ft (28.3 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 1121.9 sq m |
| Main Spans | 6 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 184 (2021) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 053301640214411 |