FM 230th AVE over Maquoketa River
Fair Condition92 years old108 vehicles/day
Location
| State | Iowa |
| County | Delaware |
| Location | 088042902 |
| Carries | FM 230th AVE |
| Crosses | Maquoketa River |
| Coordinates | 42.40790, -91.34531 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 0 (Failed) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 147.0 ft (44.8 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 340.5 sq m |
| Main Spans | 6 |
| Year Built | 1934 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 108 (2022) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2014 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000140800 |