Us-45 over Baltimore River
Fair Condition92 years old1,122 vehicles/day
Location
| State | Michigan |
| County | Ontonagon |
| Location | 7.4 Mi N Of M-28 |
| Carries | Us-45 |
| Crosses | Baltimore River |
| Coordinates | 46.63905, -89.17926 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 60.0 ft (18.3 m) |
| Max Span | 58.4 ft (17.8 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 168.4 sq m |
| Main Spans | 1 |
| Year Built | 1934 |
Traffic
| Avg Daily Traffic | 1,122 (2007) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008499 |