Us-31 SB over N Chan Muskegon River
Fair Condition62 years old19,600 vehicles/day
Location
| State | Michigan |
| County | Muskegon |
| Location | 2.6 Mi N Of M-46 |
| Carries | Us-31 SB |
| Crosses | N Chan Muskegon River |
| Coordinates | 43.27248, -86.20399 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 324.1 ft (98.8 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 48.6 ft (14.8 m) |
| Deck Area | 1462.2 sq m |
| Main Spans | 4 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 19,600 (2015) |
| Truck Traffic | 5% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007584 |