280th ST over Boone River
Good Condition7 years old80 vehicles/day
Location
| State | Iowa |
| County | Hamilton |
| Location | 087250601 |
| Carries | 280th ST |
| Crosses | Boone River |
| Coordinates | 42.38369, -93.80837 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very 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 | 457.0 ft (139.3 m) |
| Max Span | 151.9 ft (46.3 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 1476.6 sq m |
| Main Spans | 3 |
| Year Built | 2019 |
Traffic
| Avg Daily Traffic | 80 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000366325 |