I380 SB Flyover over US 20 & US 218
Fair Condition43 years old9,700 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | At N Jct. 20 |
| Carries | I380 SB Flyover |
| Crosses | US 20 & US 218 |
| Coordinates | 42.45567, -92.31422 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 1498.0 ft (456.6 m) |
| Max Span | 194.9 ft (59.4 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 6027.1 sq m |
| Main Spans | 10 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 9,700 (2022) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 8 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000605290 |