Cliff Lake RD over Madison River 045
Fair Condition25 years old100 vehicles/day
Location
| State | Montana |
| County | Madison |
| Location | 36m S Ennis |
| Carries | Cliff Lake RD |
| Crosses | Madison River 045 |
| Coordinates | 44.83096, -111.51429 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 177.8 ft (54.2 m) |
| Max Span | 177.8 ft (54.2 m) |
| Deck Width | 21.0 ft (6.4 m) |
| Deck Area | 346.9 sq m |
| Main Spans | 1 |
| Year Built | 2001 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L29204000+06001 |