Hedberg Road over Black River
Fair Condition46 years old340 vehicles/day
Location
| State | Michigan |
| County | Gogebic |
| Location | Sec 32-33 Ironwood Twp |
| Carries | Hedberg Road |
| Crosses | Black River |
| Coordinates | 46.51095, -90.07316 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 68.9 ft (21 m) |
| Max Span | 66.9 ft (20.4 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 197.4 sq m |
| Main Spans | 1 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 340 (1986) |
| 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 | 000000000003014 |