Heimbach Road over Portage River
Fair Condition57 years old1,725 vehicles/day
Location
| State | Michigan |
| County | St. Joseph |
| Location | 4 Mi N Of Three Rivers |
| Carries | Heimbach Road |
| Crosses | Portage River |
| Coordinates | 41.99850, -85.58494 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Slab |
| Total Length | 71.9 ft (21.9 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 221.2 sq m |
| Main Spans | 3 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 1,725 (2018) |
| Truck Traffic | 10% |
| 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 | 000000000010326 |