471st Avenue over Br North Deer Ck
Poor Condition101 years old1,163 vehicles/day
Location
| State | South Dakota |
| County | Brookings |
| Location | 5.9n Brookings |
| Carries | 471st Avenue |
| Crosses | Br North Deer Ck |
| Coordinates | 44.39726, -96.78756 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 92.2 ft (28.1 m) |
| Max Span | 30.5 ft (9.3 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 283.8 sq m |
| Main Spans | 3 |
| Year Built | 1925 (reconstructed 1940) |
Traffic
| Avg Daily Traffic | 1,163 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000006170101 |