Richland ST over Maquoketa River
Good Condition21 years old879 vehicles/day
Location
| State | Iowa |
| County | Delaware |
| Location | 015000500 |
| Carries | Richland ST |
| Crosses | Maquoketa River |
| Coordinates | 42.57725, -91.54874 |
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 |
| Design | Stringer/Multi-beam |
| Total Length | 246.1 ft (75 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 742.5 sq m |
| Main Spans | 3 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 879 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000004261 |