Silver Street over Portage River
Good Condition11 years old3,265 vehicles/day
Location
| State | Michigan |
| County | St. Joseph |
| Location | 1.0 Mi S Of Portage Lake |
| Carries | Silver Street |
| Crosses | Portage River |
| Coordinates | 42.03191, -85.51789 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 85.0 ft (25.9 m) |
| Max Span | 83.7 ft (25.5 m) |
| Deck Width | 41.0 ft (12.5 m) |
| Deck Area | 323.8 sq m |
| Main Spans | 1 |
| Year Built | 2015 |
Traffic
| Avg Daily Traffic | 3,265 (2015) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010313 |