Marion St-275 A over Maquoketa River
Good Condition23 years old681 vehicles/day
Location
| State | Iowa |
| County | Delaware |
| Location | 000000000 |
| Carries | Marion St-275 A |
| Crosses | Maquoketa River |
| Coordinates | 42.34014, -91.25638 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 189.0 ft (57.6 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 581.8 sq m |
| Main Spans | 3 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 681 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006061 |