10th ST over Big Sioux River
Fair Condition46 years old670 vehicles/day
Location
| State | Iowa |
| County | Sioux |
| Location | 000000000 |
| Carries | 10th ST |
| Crosses | Big Sioux River |
| Coordinates | 42.99800, -96.49813 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 579.1 ft (176.5 m) |
| Max Span | 125.0 ft (38.1 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 1870.9 sq m |
| Main Spans | 5 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 670 (2022) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000504185 |