IRR BIA RTE 3 over Moreau River
Good Condition39 years old305 vehicles/day
Location
| State | South Dakota |
| County | Dewey |
| Location | 3.8 Km SE Of Whitehorse |
| Carries | IRR BIA RTE 3 |
| Crosses | Moreau River |
| Coordinates | 45.25553, -100.84311 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 200.1 ft (61 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 640.5 sq m |
| Main Spans | 3 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 305 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000A110 |