County Highway 139 over Big Muddy Creek
Fair Condition76 years old470 vehicles/day
Location
| State | North Dakota |
| County | Morton |
| Location | 2 North 4 West Glen Ullin |
| Carries | County Highway 139 |
| Crosses | Big Muddy Creek |
| Coordinates | 46.84773, -101.92156 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 83.3 sq m |
| Main Spans | 3 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 470 (2018) |
| 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 | 000000030109100 |