Hammond Valley RD over Big Porcupine CR 034
Fair Condition49 years old142 vehicles/day
Location
| State | Montana |
| County | Rosebud |
| Location | 8m NW Forsyth |
| Carries | Hammond Valley RD |
| Crosses | Big Porcupine CR 034 |
| Coordinates | 46.29594, -106.81539 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 86.9 ft (26.5 m) |
| Max Span | 85.0 ft (25.9 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 209.3 sq m |
| Main Spans | 1 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 142 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
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 | L44002001+03001 |