Us-31 NB over S Channel Grand River
Fair Condition95 years old33,375 vehicles/day
Location
| State | Michigan |
| County | Ottawa |
| Location | In Grand Haven (n 7th St) |
| Carries | Us-31 NB |
| Crosses | S Channel Grand River |
| Coordinates | 43.07027, -86.21934 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 200.1 ft (61 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 53.1 ft (16.2 m) |
| Deck Area | 988.2 sq m |
| Main Spans | 4 |
| Year Built | 1931 (reconstructed 1980) |
Traffic
| Avg Daily Traffic | 33,375 (2021) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008697 |