Sth 21 over Spring Brook
Fair Condition38 years old10,300 vehicles/day
Location
| State | Wisconsin |
| County | Winnebago |
| Location | 3.0m E Jct Sth 116 To W |
| Carries | Sth 21 |
| Crosses | Spring Brook |
| Coordinates | 44.03374, -88.68759 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 65.9 ft (20.1 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 46.9 ft (14.3 m) |
| Deck Area | 287.4 sq m |
| Main Spans | 2 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 10,300 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | B70010500000000 |