S 37 Fh 57 over Cripple Horse Creek
Poor Condition52 years old458 vehicles/day
Location
| State | Montana |
| County | Lincoln |
| Location | 6m NE Libby Dam |
| Carries | S 37 Fh 57 |
| Crosses | Cripple Horse Creek |
| Coordinates | 48.47736, -115.25542 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 140.1 ft (42.7 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 542.3 sq m |
| Main Spans | 3 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 458 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00033023+03421 |