66th AVE over Big Muddy Creek
Good Condition41 years old25 vehicles/day
Location
| State | North Dakota |
| County | Morton |
| Location | NW Glen Ullin |
| Carries | 66th AVE |
| Crosses | Big Muddy Creek |
| Coordinates | 46.81868, -101.84406 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 118.1 ft (36 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 349.2 sq m |
| Main Spans | 3 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 25 (2018) |
| 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 | 000000030112120 |