Ia 51 over N Fork Yellow River
Fair Condition59 years old1,440 vehicles/day
Location
| State | Iowa |
| County | Allamakee |
| Location | 3.5 Mi. S Of Jct. Ia 9 |
| Carries | Ia 51 |
| Crosses | N Fork Yellow River |
| Coordinates | 43.19024, -91.56659 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Girder and Floorbeam |
| Total Length | 284.1 ft (86.6 m) |
| Max Span | 108.9 ft (33.2 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 935.3 sq m |
| Main Spans | 3 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 1,440 (2022) |
| Truck Traffic | 30% |
| 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 | 000000000013600 |