IRR BIA RTE 6 over Porcupine Creek
Fair Condition57 years old173 vehicles/day
Location
| State | North Dakota |
| County | Sioux |
| Location | 6.8 Km West Of Nd HWY 6 |
| Carries | IRR BIA RTE 6 |
| Crosses | Porcupine Creek |
| Coordinates | 46.20431, -101.02403 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 94.2 ft (28.7 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 281.3 sq m |
| Main Spans | 3 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 173 (2023) |
| Truck Traffic | 2% |
| 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 | 00000000000A046 |