US 18 & 71 over Little Sioux River
Good Condition20 years old16,900 vehicles/day
Location
| State | Iowa |
| County | Clay |
| Location | 0.7 Mi. W Of E Jct. US 71 |
| Carries | US 18 & 71 |
| Crosses | Little Sioux River |
| Coordinates | 43.13743, -95.14442 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 459.0 ft (139.9 m) |
| Max Span | 117.1 ft (35.7 m) |
| Deck Width | 73.2 ft (22.3 m) |
| Deck Area | 3119.8 sq m |
| Main Spans | 4 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 16,900 (2022) |
| Truck Traffic | 4% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000000000020331 |