IRR BIA RTE 22 over Trib To Red Butte Bay
Poor Condition66 years old200 vehicles/day
Location
| State | North Dakota |
| County | Mercer |
| Location | SE Lake Sakakawea |
| Carries | IRR BIA RTE 22 |
| Crosses | Trib To Red Butte Bay |
| Coordinates | 47.51209, -102.12863 |
Condition Ratings
| Overall Condition | Poor |
| Channel/Waterway | 4 (Poor) |
| Culvert | 2 (Critical) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 53.1 ft (16.2 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 130.2 ft (39.7 m) |
| Deck Area | 643.1 sq m |
| Main Spans | 3 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 200 (2020) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0000A04301B0500 |