Us-41 over Backwater Portage River
Fair Condition97 years old3,883 vehicles/day
Location
| State | Michigan |
| County | Houghton |
| Location | 2.7 Mi SE Of Chassel |
| Carries | Us-41 |
| Crosses | Backwater Portage River |
| Coordinates | 47.00927, -88.49267 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 54.5 ft (16.6 m) |
| Deck Area | 141.1 sq m |
| Main Spans | 2 |
| Year Built | 1929 |
Traffic
| Avg Daily Traffic | 3,883 (2007) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000003401 |