Michigan Avenue over Portage River
Fair Condition62 years old842 vehicles/day
Location
| State | Michigan |
| County | St. Joseph |
| Location | South Of Portage Lake |
| Carries | Michigan Avenue |
| Crosses | Portage River |
| Coordinates | 42.03886, -85.51543 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 67.9 ft (20.7 m) |
| Max Span | 33.8 ft (10.3 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 190.4 sq m |
| Main Spans | 2 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 842 (2019) |
| Truck Traffic | 7% |
| 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 | 000000000010299 |