Route 593 over Clam Lake
Fair Condition68 years old1,400 vehicles/day
Location
| State | Michigan |
| County | Antrim |
| Location | 0.5 Mi S Of Clam River |
| Carries | Route 593 |
| Crosses | Clam Lake |
| Coordinates | 44.94184, -85.28174 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 197.8 ft (60.3 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 33.8 ft (10.3 m) |
| Deck Area | 621.1 sq m |
| Main Spans | 5 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 1,400 (1997) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000000365 |