Marvin Head RD over South Prong Prarion Bayo
Fair Condition56 years old228 vehicles/day
Location
| State | Louisiana |
| County | Ouachita |
| Location | U Mi. E. Hwy. 557 |
| Carries | Marvin Head RD |
| Crosses | South Prong Prarion Bayo |
| Coordinates | 32.34330, -92.20323 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 46.9 ft (14.3 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 87.2 sq m |
| Main Spans | 3 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 228 (1979) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 053732204921211 |