Us-31 NB over Hart-montague Trail
Fair Condition52 years old6,360 vehicles/day
Location
| State | Michigan |
| County | Oceana |
| Location | 2.5 Mi S Of Rothbury |
| Carries | Us-31 NB |
| Crosses | Hart-montague Trail |
| Coordinates | 43.47664, -86.34398 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 173.9 ft (53 m) |
| Max Span | 61.7 ft (18.8 m) |
| Deck Width | 44.3 ft (13.5 m) |
| Deck Area | 715.5 sq m |
| Main Spans | 3 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 6,360 (2007) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008326 |