483 Avenue over Cobb Ck
Fair Condition65 years old179 vehicles/day
Location
| State | South Dakota |
| County | Deuel |
| Location | 5.5n Astoria |
| Carries | 483 Avenue |
| Crosses | Cobb Ck |
| Coordinates | 44.63801, -96.54127 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 117.1 ft (35.7 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 307.0 sq m |
| Main Spans | 5 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 179 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000020170235 |