230th Street over Dry Mill Creek
Good Condition33 years old44 vehicles/day
Location
| State | Iowa |
| County | Clayton |
| Location | 093040801 |
| Carries | 230th Street |
| Crosses | Dry Mill Creek |
| Coordinates | 42.89160, -91.34100 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 112.9 ft (34.4 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 271.8 sq m |
| Main Spans | 3 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 44 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000119591 |