Sullivan Bridge RD over Marias River 030
Fair Condition58 years old100 vehicles/day
Location
| State | Montana |
| County | Glacier |
| Location | 14m SE Cutbank |
| Carries | Sullivan Bridge RD |
| Crosses | Marias River 030 |
| Coordinates | 48.48671, -112.22601 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 283.1 ft (86.3 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 14.8 ft (4.5 m) |
| Deck Area | 388.4 sq m |
| Main Spans | 4 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
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 | L18010002+05001 |