Cliff Drive over Gratiot River
Poor Condition91 years old128 vehicles/day
Location
| State | Michigan |
| County | Keweenaw |
| Location | 4.0 Mi N Of Ahmeek Villag |
| Carries | Cliff Drive |
| Crosses | Gratiot River |
| Coordinates | 47.34236, -88.34308 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 20.3 ft (6.2 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 67.9 sq m |
| Main Spans | 1 |
| Year Built | 1935 |
Traffic
| Avg Daily Traffic | 128 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005265 |