US 87-e Main ST over Mill Ditch
Fair Condition104 years old8,747 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | Lewistown-e Main ST |
| Carries | US 87-e Main ST |
| Crosses | Mill Ditch |
| Coordinates | 47.06849, -109.42142 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 76.1 ft (23.2 m) |
| Deck Area | 176.3 sq m |
| Main Spans | 1 |
| Year Built | 1922 |
Traffic
| Avg Daily Traffic | 8,747 (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 | P00057082+02191 |