Main Boulder Road over Boulder River
Fair Condition86 years old157 vehicles/day
Location
| State | Montana |
| County | Park |
| Location | 40m South Of Springdale |
| Carries | Main Boulder Road |
| Crosses | Boulder River |
| Coordinates | 45.22661, -110.26007 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 6 — Scour calculated, stable |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 35.1 ft (10.7 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 15.4 ft (4.7 m) |
| Deck Area | 50.3 sq m |
| Main Spans | 1 |
| Year Built | 1940 |
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 | 000000202208056 |