Pumphouse RD over Big Hole River 009
Fair Condition112 years old100 vehicles/day
Location
| State | Montana |
| County | Silver Bow |
| Location | 3m W Divide |
| Carries | Pumphouse RD |
| Crosses | Big Hole River 009 |
| Coordinates | 45.75972, -112.80165 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 232.0 ft (70.7 m) |
| Max Span | 154.9 ft (47.2 m) |
| Deck Width | 15.7 ft (4.8 m) |
| Deck Area | 339.4 sq m |
| Main Spans | 1 |
| Year Built | 1914 (reconstructed 2015) |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L47017000+01001 |