470th ST over Little Sioux River
Poor Condition119 years old26 vehicles/day
Location
| State | Iowa |
| County | Clay |
| Location | 094360906 |
| Carries | 470th ST |
| Crosses | Little Sioux River |
| Coordinates | 42.97028, -95.11259 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 3 (Serious) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 212.9 ft (64.9 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 318.0 sq m |
| Main Spans | 1 |
| Year Built | 1907 (reconstructed 1960) |
Traffic
| Avg Daily Traffic | 26 (2021) |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000000000115830 |