Going-to-the-sun R over St. Mary River
Fair Condition92 years old2,300 vehicles/day
Location
| State | Montana |
| County | Glacier |
| Location | 0.8 Mi. NW Of Jct. Hwy. 8 |
| Carries | Going-to-the-sun R |
| Crosses | St. Mary River |
| Coordinates | 48.74950, -113.44400 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 140.1 ft (42.7 m) |
| Max Span | 52.5 ft (16 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 414.2 sq m |
| Main Spans | 3 |
| Year Built | 1934 |
Traffic
| Avg Daily Traffic | 2,300 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | National Park Service |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1430027P0000000 |