456 Avenue over Gravel Ck
Good Condition29 years old73 vehicles/day
Location
| State | South Dakota |
| County | Codington |
| Location | 5.3s 8w South Shore |
| Carries | 456 Avenue |
| Crosses | Gravel Ck |
| Coordinates | 45.03078, -97.08584 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 22.6 ft (6.9 m) |
| Max Span | 11.2 ft (3.4 m) |
| Deck Area | 67.6 sq m |
| Main Spans | 2 |
| Year Built | 1997 |
Traffic
| Avg Daily Traffic | 73 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000015200083 |