FM over Boone River
Fair Condition62 years old499 vehicles/day
Location
| State | Iowa |
| County | Hamilton |
| Location | 089253101 |
| Carries | FM |
| Crosses | Boone River |
| Coordinates | 42.48594, -93.83904 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Girder and Floorbeam |
| Total Length | 308.1 ft (93.9 m) |
| Max Span | 120.1 ft (36.6 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 920.2 sq m |
| Main Spans | 3 |
| Year Built | 1964 (reconstructed 1986) |
Traffic
| Avg Daily Traffic | 499 (2022) |
| Truck Traffic | 22% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000172410 |