479th Avenue over Ck
Poor Condition106 years old92 vehicles/day
Location
| State | South Dakota |
| County | Brookings |
| Location | 1.6n & 1e White |
| Carries | 479th Avenue |
| Crosses | Ck |
| Coordinates | 44.45654, -96.62598 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 50.9 ft (15.5 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 76.0 sq m |
| Main Spans | 1 |
| Year Built | 1920 |
Traffic
| Avg Daily Traffic | 92 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000000006250059 |