FM over Boone River
Fair Condition87 years old478 vehicles/day
Location
| State | Iowa |
| County | Hamilton |
| Location | 087263010 |
| Carries | FM |
| Crosses | Boone River |
| Coordinates | 42.32115, -93.91524 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 295.9 ft (90.2 m) |
| Max Span | 82.0 ft (25 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 902 sq m |
| Main Spans | 4 |
| Year Built | 1939 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 478 (2022) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 922 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000171570 |