W66 over Big Slough Creek
Good Condition5 years old190 vehicles/day
Location
| State | Iowa |
| County | Louisa |
| Location | 074050804 |
| Carries | W66 |
| Crosses | Big Slough Creek |
| Coordinates | 41.22328, -91.46649 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 92.8 ft (28.3 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 285.8 sq m |
| Main Spans | 3 |
| Year Built | 2021 |
Traffic
| Avg Daily Traffic | 190 (2022) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000224231 |