NB 218 WB 57 over Cedar River Overflow
Fair Condition52 years old9,800 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | 0.2 Mi. E Of Ia. 27 |
| Carries | NB 218 WB 57 |
| Crosses | Cedar River Overflow |
| Coordinates | 42.53769, -92.42103 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 533.1 ft (162.5 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 59.4 ft (18.1 m) |
| Deck Area | 2941.2 sq m |
| Main Spans | 11 |
| Year Built | 1974 (reconstructed 1992) |
Traffic
| Avg Daily Traffic | 9,800 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 3 |
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 | 000000000014605 |