SW Ash ST over Big Spring Creek
Fair Condition64 years old1,394 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | Lewistown-sw Ash ST |
| Carries | SW Ash ST |
| Crosses | Big Spring Creek |
| Coordinates | 47.05191, -109.41947 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 51.8 ft (15.8 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 22.6 ft (6.9 m) |
| Deck Area | 109.0 sq m |
| Main Spans | 2 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 1,394 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | U07110000+03101 |