Ia 37 over Boyer River
Fair Condition68 years old1,340 vehicles/day
Location
| State | Iowa |
| County | Harrison |
| Location | 0.1 Mi. W Of US 30 |
| Carries | Ia 37 |
| Crosses | Boyer River |
| Coordinates | 41.86012, -95.60556 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 284.1 ft (86.6 m) |
| Max Span | 108.9 ft (33.2 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 900.6 sq m |
| Main Spans | 3 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 1,340 (2022) |
| Truck Traffic | 12% |
| 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 | 000000000027600 |