US 218 over Quarry Lake & Wyth RD
Fair Condition37 years old29,000 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | 2.5 Mi. S Of Jct. Ia. #57 |
| Carries | US 218 |
| Crosses | Quarry Lake & Wyth RD |
| Coordinates | 42.52477, -92.38899 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 755.9 ft (230.4 m) |
| Max Span | 97.1 ft (29.6 m) |
| Deck Width | 123.4 ft (37.6 m) |
| Deck Area | 8663.0 sq m |
| Main Spans | 8 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 29,000 (2022) |
| Truck Traffic | 8% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000605800 |