La3131 over Portage Canal
Fair Condition56 years old10,317 vehicles/day
Location
| State | Louisiana |
| County | Pointe Coupee |
| Location | 5.3 Mi N. Of La 78 |
| Carries | La3131 |
| Crosses | Portage Canal |
| Coordinates | 30.69429, -91.47211 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 100.1 ft (30.5 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 42.3 ft (12.9 m) |
| Deck Area | 393.4 sq m |
| Main Spans | 5 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 10,317 (2021) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 613908392401031 |