IRR BIA RTE 4 over Green Grass Creek
Good Condition13 years old195 vehicles/day
Location
| State | South Dakota |
| County | Dewey |
| Location | 3.2 Km West Of HWY Sd-63 |
| Carries | IRR BIA RTE 4 |
| Crosses | Green Grass Creek |
| Coordinates | 45.16717, -101.23669 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 100.1 ft (30.5 m) |
| Max Span | 98.1 ft (29.9 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 305 sq m |
| Main Spans | 1 |
| Year Built | 2013 |
Traffic
| Avg Daily Traffic | 195 (2023) |
| Truck Traffic | 5% |
| 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 | 0000A01340B0121 |