Jack CR Bench RD over Jack Creek 031
Fair Condition74 years old301 vehicles/day
Location
| State | Montana |
| County | Madison |
| Location | 7m E Ennis |
| Carries | Jack CR Bench RD |
| Crosses | Jack Creek 031 |
| Coordinates | 45.35631, -111.58706 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 50.9 sq m |
| Main Spans | 1 |
| Year Built | 1952 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 301 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L29125000+01001 |