6th AVE S over Big Spring Creek 133
Poor Condition64 years old437 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | Lewistown-6th AVE S |
| Carries | 6th AVE S |
| Crosses | Big Spring Creek 133 |
| Coordinates | 47.05426, -109.41818 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 50.9 ft (15.5 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 22.6 ft (6.9 m) |
| Deck Area | 107.0 sq m |
| Main Spans | 2 |
| Year Built | 1962 (reconstructed 1975) |
Traffic
| Avg Daily Traffic | 437 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | M14071000+00201 |