M-37 NB over Service Road Calvin Coll
Fair Condition48 years old24,046 vehicles/day
Location
| State | Michigan |
| County | Kent |
| Location | In Grand Rapids (e Side) |
| Carries | M-37 NB |
| Crosses | Service Road Calvin Coll |
| Coordinates | 42.93153, -85.58450 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 56.8 ft (17.3 m) |
| Max Span | 56.8 ft (17.3 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 219.7 sq m |
| Main Spans | 1 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 24,046 (2007) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000004860 |