Porter Road over Pine River
Fair Condition40 years old226 vehicles/day
Location
| State | Michigan |
| County | Midland |
| Location | 0.3 M SE Of Pine River RD |
| Carries | Porter Road |
| Crosses | Pine River |
| Coordinates | 43.51676, -84.46207 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 149.9 ft (45.7 m) |
| Max Span | 74.8 ft (22.8 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 434.1 sq m |
| Main Spans | 2 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 226 (2016) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006946 |