70th Street over S Br Black River
Good Condition46 years old1,955 vehicles/day
Location
| State | Michigan |
| County | Van Buren |
| Location | 2.4 Mi NE Of South Haven |
| Carries | 70th Street |
| Crosses | S Br Black River |
| Coordinates | 42.41547, -86.22546 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 101.4 ft (30.9 m) |
| Max Span | 33.8 ft (10.3 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 305.9 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 1,955 (2019) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010770 |