SB US 59 over Boyer River
Fair Condition59 years old4,300 vehicles/day
Location
| State | Iowa |
| County | Crawford |
| Location | 0.1 Mi. S Of Ia 39 |
| Carries | SB US 59 |
| Crosses | Boyer River |
| Coordinates | 42.01976, -95.36774 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 291.0 ft (88.7 m) |
| Max Span | 111.9 ft (34.1 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 958.0 sq m |
| Main Spans | 3 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 4,300 (2022) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000021500 |