Mn 1 over Birch Lake Dam
Fair Condition71 years old650 vehicles/day
Location
| State | Minnesota |
| County | Lake |
| Location | 9.8 Mi SE Of Ely |
| Carries | Mn 1 |
| Crosses | Birch Lake Dam |
| Coordinates | 47.81589, -91.78413 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 251.3 ft (76.6 m) |
| Max Span | 72.5 ft (22.1 m) |
| Deck Width | 38.1 ft (11.6 m) |
| Deck Area | 888.6 sq m |
| Main Spans | 3 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 650 (2019) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 6845 |