Fdr 521 over Four Mile Branch
Fair Condition71 years old26 vehicles/day
Location
| State | Louisiana |
| County | Grant |
| Location | Logmi 0.19 Fr 532 To |
| Carries | Fdr 521 |
| Crosses | Four Mile Branch |
| Coordinates | 31.78498, -92.53839 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Channel Beam |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 13.8 ft (4.2 m) |
| Deck Area | 51.2 sq m |
| Main Spans | 2 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 26 (1979) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | U.S. Forest Service |
| Historical Significance | Historical significance is not determined |
| Structure Number | 080604000002417 |