US 20 WB over Little Sioux River
Fair Condition10 years old3,250 vehicles/day
Location
| State | Iowa |
| County | Woodbury |
| Location | 0.4 Mi. W Of Jct. Ia 31 |
| Carries | US 20 WB |
| Crosses | Little Sioux River |
| Coordinates | 42.48241, -95.79268 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 492.8 ft (150.2 m) |
| Max Span | 122.0 ft (37.2 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 1982.6 sq m |
| Main Spans | 4 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 3,250 (2022) |
| Truck Traffic | 26% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000700230 |