Usfs RTE 3445 over Carp River
Poor Condition64 years old15 vehicles/day
Location
| State | Michigan |
| County | Mackinac |
| Location | 0.1 Mi W H63 |
| Carries | Usfs RTE 3445 |
| Crosses | Carp River |
| Coordinates | 46.03386, -84.72014 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 90.6 ft (27.6 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 17.7 ft (5.4 m) |
| Deck Area | 149.0 sq m |
| Main Spans | 5 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 15 (1998) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 12 months |
| Owner | U.S. Forest Service |
| Historical Significance | Historical significance is not determined |
| Structure Number | 091005000001069 |