Mn 30 over Maple River
Fair Condition73 years old1,274 vehicles/day
Location
| State | Minnesota |
| County | Blue Earth |
| Location | 7.0 Mi E Of Amboy |
| Carries | Mn 30 |
| Crosses | Maple River |
| Coordinates | 43.90744, -94.04099 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 112.9 ft (34.4 m) |
| Max Span | 37.4 ft (11.4 m) |
| Deck Width | 50.2 ft (15.3 m) |
| Deck Area | 526.3 sq m |
| Main Spans | 3 |
| Year Built | 1953 |
Traffic
| Avg Daily Traffic | 1,274 (2021) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 6797 |