Csah 4 over Rock River
Good Condition18 years old3,350 vehicles/day
Location
| State | Minnesota |
| County | Rock |
| Location | 0.1 Mi E Of Jct Csah 18 |
| Carries | Csah 4 |
| Crosses | Rock River |
| Coordinates | 43.65409, -96.20111 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 231.6 ft (70.6 m) |
| Max Span | 86.0 ft (26.2 m) |
| Deck Width | 54.5 ft (16.6 m) |
| Deck Area | 1172.0 sq m |
| Main Spans | 3 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 3,350 (2018) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 67553 |