Road 317 over Alkali Creek
Fair Condition63 years old2 vehicles/day
Location
| State | Montana |
| County | Petroleum |
| Location | Sect 1 T18n R29e |
| Carries | Road 317 |
| Crosses | Alkali Creek |
| Coordinates | 47.35667, -107.96250 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 11.2 ft (3.4 m) |
| Deck Width | 12.1 ft (3.7 m) |
| Deck Area | 27.0 sq m |
| Main Spans | 2 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 2 (2024) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | Code 63 |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000061520-00035 |