County Highway 139 over Big Muddy Creek
Good Condition56 years old500 vehicles/day
Location
| State | North Dakota |
| County | Morton |
| Location | 3 West 1 North Glen Ullin |
| Carries | County Highway 139 |
| Crosses | Big Muddy Creek |
| Coordinates | 46.82701, -101.89747 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 96.0 sq m |
| Main Spans | 1 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 500 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000030110110 |