Johnson RD over Dumolin Canal
Fair Condition56 years old226 vehicles/day
Location
| State | Louisiana |
| County | St. Martin |
| Location | 0.8 Mi. N. Of La 678 |
| Carries | Johnson RD |
| Crosses | Dumolin Canal |
| Coordinates | 30.35574, -91.82943 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 38.1 ft (11.6 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 96.3 sq m |
| Main Spans | 2 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 226 (2020) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 035030213914971 |