I0310 over S.p. R.r. & La 631
Fair Condition40 years old29,468 vehicles/day
Location
| State | Louisiana |
| County | St. Charles |
| Location | .5 Mi North Of US 90 |
| Carries | I0310 |
| Crosses | S.p. R.r. & La 631 |
| Coordinates | 29.89659, -90.39640 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 1318.9 ft (402 m) |
| Max Span | 111.9 ft (34.1 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 3,417 sq m |
| Main Spans | 17 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 29,468 (2021) |
| Truck Traffic | 25% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 024504503803756 |