C70 330th ST over Boone River
Poor Condition75 years old977 vehicles/day
Location
| State | Iowa |
| County | Wright |
| Location | 090263601 |
| Carries | C70 330th ST |
| Crosses | Boone River |
| Coordinates | 42.57220, -93.86687 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 242.1 ft (73.8 m) |
| Max Span | 94.2 ft (28.7 m) |
| Deck Width | 29.2 ft (8.9 m) |
| Deck Area | 656.8 sq m |
| Main Spans | 3 |
| Year Built | 1951 |
Traffic
| Avg Daily Traffic | 977 (2022) |
| Truck Traffic | 25% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000054520 |