US 61 over Muskrat Lake
Fair Condition41 years old4,950 vehicles/day
Location
| State | Iowa |
| County | Louisa |
| Location | 4.6 Mi. S Of S Jct. Ia 92 |
| Carries | US 61 |
| Crosses | Muskrat Lake |
| Coordinates | 41.20649, -91.19802 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 307.1 ft (93.6 m) |
| Max Span | 57.1 ft (17.4 m) |
| Deck Width | 47.6 ft (14.5 m) |
| Deck Area | 1357.2 sq m |
| Main Spans | 6 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 4,950 (2022) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000034001 |