Upper Spring CR RD over Mill Ditch
Fair Condition68 years old1,955 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | Lewistown |
| Carries | Upper Spring CR RD |
| Crosses | Mill Ditch |
| Coordinates | 47.06350, -109.41780 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 48.9 ft (14.9 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 177.3 sq m |
| Main Spans | 2 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 1,955 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00238000+00271 |