Quast LN over Surprise Ditch 060
Poor Condition108 years old537 vehicles/day
Location
| State | Montana |
| County | Ravalli |
| Location | 1m N Corvallis |
| Carries | Quast LN |
| Crosses | Surprise Ditch 060 |
| Coordinates | 46.32719, -114.10829 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 79.0 sq m |
| Main Spans | 1 |
| Year Built | 1918 (reconstructed 1970) |
Traffic
| Avg Daily Traffic | 537 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L41316000+06001 |