Us-31 NB over Us-10 & Us-31
Fair Condition39 years old2,498 vehicles/day
Location
| State | Michigan |
| County | Mason |
| Location | 3 Mi E Of Ludington |
| Carries | Us-31 NB |
| Crosses | Us-10 & Us-31 |
| Coordinates | 43.95604, -86.38446 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 120.7 ft (36.8 m) |
| Max Span | 120.7 ft (36.8 m) |
| Deck Width | 35.8 ft (10.9 m) |
| Deck Area | 401.1 sq m |
| Main Spans | 1 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 2,498 (2007) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 6 |
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 | 000000000006655 |