Csah 4 over Island Lake
Fair Condition77 years old2,907 vehicles/day
Location
| State | Minnesota |
| County | St. Louis |
| Location | 0.6 Mi S Of Jct Cr269 |
| Carries | Csah 4 |
| Crosses | Island Lake |
| Coordinates | 47.02458, -92.14625 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 234.3 ft (71.4 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 50.2 ft (15.3 m) |
| Deck Area | 1092.4 sq m |
| Main Spans | 3 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 2,907 (2022) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 6665 |