Sth 57 Sb|mill ST over Onion River
Fair Condition33 years old6,500 vehicles/day
Location
| State | Wisconsin |
| County | Sheboygan |
| Location | 0.4m W Jct Sth 57 To N |
| Carries | Sth 57 Sb|mill ST |
| Crosses | Onion River |
| Coordinates | 43.67579, -87.94099 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 59.7 ft (18.2 m) |
| Max Span | 58.1 ft (17.7 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 231.1 sq m |
| Main Spans | 1 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 6,500 (2022) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | B59015800000000 |