I-75 Bs|3 Mile RD over I-75 NB
Fair Condition64 years old15,700 vehicles/day
Location
| State | Michigan |
| County | Chippewa |
| Location | S Lts Of Sault Ste Marie |
| Carries | I-75 Bs|3 Mile RD |
| Crosses | I-75 NB |
| Coordinates | 46.46288, -84.38313 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 225.1 ft (68.6 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 727.2 sq m |
| Main Spans | 4 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 15,700 (2013) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000001586 |