479th Avenue over Big Sioux River
Fair Condition48 years old45 vehicles/day
Location
| State | South Dakota |
| County | Moody |
| Location | 1.4s & 8w Of Ward |
| Carries | 479th Avenue |
| Crosses | Big Sioux River |
| Coordinates | 44.13194, -96.62866 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 125.7 ft (38.3 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 23.0 ft (7 m) |
| Deck Area | 268.1 sq m |
| Main Spans | 2 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 45 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000051130044 |