B 58 (470th St) over Six Mile Creek
Good Condition14 years old40 vehicles/day
Location
| State | Iowa |
| County | Sioux |
| Location | 094481301 |
| Carries | B 58 (470th St) |
| Crosses | Six Mile Creek |
| Coordinates | 42.96764, -96.45255 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 152.9 ft (46.6 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 456.7 sq m |
| Main Spans | 3 |
| Year Built | 2012 |
Traffic
| Avg Daily Traffic | 40 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2022 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000309611 |