La0021 over Marias Creek
Good Condition39 years old7,160 vehicles/day
Location
| State | Louisiana |
| County | St. Tammany |
| Location | .45 Mi N Jct La21 & La16 |
| Carries | La0021 |
| Crosses | Marias Creek |
| Coordinates | 30.65510, -89.88930 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 51.8 ft (15.8 m) |
| Max Span | 5.9 ft (1.8 m) |
| Deck Width | 137.1 ft (41.8 m) |
| Deck Area | 660.4 sq m |
| Main Spans | 8 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 7,160 (2021) |
| Truck Traffic | 12% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 625200300203521 |