US 218 over Big Creek Overflow
Fair Condition73 years old3,540 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | 0.3 Mi. N Of Jct. SR D48 |
| Carries | US 218 |
| Crosses | Big Creek Overflow |
| Coordinates | 42.31824, -92.19470 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 81.0 ft (24.7 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 261.8 sq m |
| Main Spans | 3 |
| Year Built | 1953 |
Traffic
| Avg Daily Traffic | 3,540 (2022) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000014790 |