US 52 over Maquoketa River
Fair Condition70 years old920 vehicles/day
Location
| State | Iowa |
| County | Jackson |
| Location | 3.2 Mi. S Of Jct. SR Z34 |
| Carries | US 52 |
| Crosses | Maquoketa River |
| Coordinates | 42.16273, -90.33423 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 713.9 ft (217.6 m) |
| Max Span | 160.1 ft (48.8 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 2263.0 sq m |
| Main Spans | 7 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 920 (2022) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000030020 |