Usfs RTE 3458 over Carp River
Poor Condition71 years old50 vehicles/day
Location
| State | Michigan |
| County | Mackinac |
| Location | 3 Mi N Burma Road |
| Carries | Usfs RTE 3458 |
| Crosses | Carp River |
| Coordinates | 46.07520, -84.96230 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 48.6 ft (14.8 m) |
| Max Span | 23.6 ft (7.2 m) |
| Deck Width | 14.8 ft (4.5 m) |
| Deck Area | 66.6 sq m |
| Main Spans | 2 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 50 (1998) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | U.S. Forest Service |
| Historical Significance | Historical significance is not determined |
| Structure Number | 091005000001071 |