Manistique Lake Ro over Portage Creek
Fair Condition86 years old1,125 vehicles/day
Location
| State | Michigan |
| County | Mackinac |
| Location | 0.25 Mi N Of Curtis |
| Carries | Manistique Lake Ro |
| Crosses | Portage Creek |
| Coordinates | 46.20684, -85.73583 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 38.7 ft (11.8 m) |
| Deck Area | 110.9 sq m |
| Main Spans | 1 |
| Year Built | 1940 |
Traffic
| Avg Daily Traffic | 1,125 (2015) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005982 |