IRR BIA RTE 6 over Cannonball River
Good Condition27 years old197 vehicles/day
Location
| State | North Dakota |
| County | Sioux |
| Location | 1404km West Of CR 6 |
| Carries | IRR BIA RTE 6 |
| Crosses | Cannonball River |
| Coordinates | 46.21889, -101.11450 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 299.9 ft (91.4 m) |
| Max Span | 97.4 ft (29.7 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 914 sq m |
| Main Spans | 3 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 197 (2023) |
| Truck Traffic | 17% |
| 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 | 00000000000A135 |