Observatory AVE over US 218
Fair Condition46 years old1,580 vehicles/day
Location
| State | Iowa |
| County | Johnson |
| Location | At Hills Ia Interchange |
| Carries | Observatory AVE |
| Crosses | US 218 |
| Coordinates | 41.55448, -91.54514 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 262.1 ft (79.9 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 1150.6 sq m |
| Main Spans | 4 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 1,580 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000604605 |