So 30th ST over Harts Mill Creek
Fair Condition48 years old180 vehicles/day
Location
| State | Iowa |
| County | Clinton |
| Location | 081061502 |
| Carries | So 30th ST |
| Crosses | Harts Mill Creek |
| Coordinates | 41.82559, -90.25759 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 100.1 ft (30.5 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 298.9 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 180 (2022) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000002291 |