Ia 3 over Shell Rock River
Fair Condition59 years old3,540 vehicles/day
Location
| State | Iowa |
| County | Butler |
| Location | 0.1 Mi. W Of Shell Rock |
| Carries | Ia 3 |
| Crosses | Shell Rock River |
| Coordinates | 42.72275, -92.58570 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 465.9 ft (142 m) |
| Max Span | 101.0 ft (30.8 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 1,562 sq m |
| Main Spans | 5 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 3,540 (2022) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000016560 |