Smith Co. 21 over Lyon Creek
Good Condition31 years old120 vehicles/day
Location
| State | Mississippi |
| County | Smith |
| Location | Sec 19 T10n R14w B |
| Carries | Smith Co. 21 |
| Crosses | Lyon Creek |
| Coordinates | 31.81783, -89.45156 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 4 (Poor) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 35.1 ft (10.7 m) |
| Max Span | 16.1 ft (4.9 m) |
| Deck Area | 97.4 sq m |
| Main Spans | 2 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 120 (2021) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | SA6500000000122 |