Us-31 NB over N Branch Pentwater River
Fair Condition46 years old4,413 vehicles/day
Location
| State | Michigan |
| County | Oceana |
| Location | 1.5 Mi East Of Pentwater |
| Carries | Us-31 NB |
| Crosses | N Branch Pentwater River |
| Coordinates | 43.77026, -86.38928 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 556.1 ft (169.5 m) |
| Max Span | 246.1 ft (75 m) |
| Deck Width | 46.3 ft (14.1 m) |
| Deck Area | 2389.9 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 4,413 (2007) |
| Truck Traffic | 10% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008337 |