US 20 EB over Ia 4
Good Condition14 years old2,410 vehicles/day
Location
| State | Iowa |
| County | Calhoun |
| Location | US 20 Over Ia 4 |
| Carries | US 20 EB |
| Crosses | Ia 4 |
| Coordinates | 42.44972, -94.67000 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 190.9 ft (58.2 m) |
| Max Span | 106.6 ft (32.5 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 768.2 sq m |
| Main Spans | 3 |
| Year Built | 2012 |
Traffic
| Avg Daily Traffic | 2,410 (2022) |
| Truck Traffic | 32% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000609735 |