Csah 4 over Spring Brook
Good Condition27 years old1,000 vehicles/day
Location
| State | Minnesota |
| County | Rock |
| Location | 0.2 Mi E Of Jct Csah 17 |
| Carries | Csah 4 |
| Crosses | Spring Brook |
| Coordinates | 43.61602, -96.36148 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 34.1 ft (10.4 m) |
| Max Span | 13.8 ft (4.2 m) |
| Deck Area | 114.4 sq m |
| Main Spans | 2 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 1,000 (2018) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 67J30 |