US 6 & Ia 21 over Rock Creek
Fair Condition70 years old1,640 vehicles/day
Location
| State | Iowa |
| County | Poweshiek |
| Location | 0.7 Mi E Of W Jct Ia 21 |
| Carries | US 6 & Ia 21 |
| Crosses | Rock Creek |
| Coordinates | 41.74661, -92.34352 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 127.0 ft (38.7 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 410.2 sq m |
| Main Spans | 3 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 1,640 (2022) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000045770 |