IRR BIA RTE 4 over Highbank Creek Bridge
Good Condition18 years old109 vehicles/day
Location
| State | South Dakota |
| County | Corson |
| Location | 8.93km SW Of Little Eagle |
| Carries | IRR BIA RTE 4 |
| Crosses | Highbank Creek Bridge |
| Coordinates | 45.62899, -100.90451 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 95.8 ft (29.2 m) |
| Max Span | 93.8 ft (28.6 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 321.2 sq m |
| Main Spans | 1 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 109 (2023) |
| Truck Traffic | 10% |
| 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 | 00000000000A149 |