Nf-6639 RD over Boulder River 041
Poor Condition93 years old157 vehicles/day
Location
| State | Montana |
| County | Park |
| Location | 35m S Springdale |
| Carries | Nf-6639 RD |
| Crosses | Boulder River 041 |
| Coordinates | 45.28822, -110.24156 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 99.1 ft (30.2 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 13.1 ft (4 m) |
| Deck Area | 120.8 sq m |
| Main Spans | 1 |
| Year Built | 1933 |
Traffic
| Avg Daily Traffic | 157 (2023) |
| Truck Traffic | 17% |
| 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 | L34210004+06001 |