La0491 over Rat Bois Bayou
Good Condition16 years old237 vehicles/day
Location
| State | Louisiana |
| County | Natchitoches |
| Location | 2.5 Mi. North Of La 495 |
| Carries | La0491 |
| Crosses | Rat Bois Bayou |
| Coordinates | 31.56416, -92.89630 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 160.1 ft (48.8 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 473.4 sq m |
| Main Spans | 4 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 237 (2021) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 083500000080545 |