30th AVE SW over Square Butte Creek
Good Condition45 years old27 vehicles/day
Location
| State | North Dakota |
| County | Oliver |
| Location | 8 East 4 South Of Center |
| Carries | 30th AVE SW |
| Crosses | Square Butte Creek |
| Coordinates | 47.06116, -101.13265 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 94.2 ft (28.7 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 266.9 sq m |
| Main Spans | 1 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 27 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000033130170 |