ST John Bridge over Bayou Lafourche
Good Condition20 years old2,824 vehicles/day
Location
| State | Louisiana |
| County | Lafourche |
| Location | 0.01 Mi S. Of La 308 |
| Carries | ST John Bridge |
| Crosses | Bayou Lafourche |
| Coordinates | 29.81660, -90.88045 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 180.1 ft (54.9 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 31.5 ft (9.6 m) |
| Deck Area | 527.0 sq m |
| Main Spans | 9 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 2,824 (2020) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 022929490905281 |