Ia 188 over Shell Rock River
Good Condition34 years old2,010 vehicles/day
Location
| State | Iowa |
| County | Butler |
| Location | 1.5 Mi. N Of Jct. Ia 3 |
| Carries | Ia 188 |
| Crosses | Shell Rock River |
| Coordinates | 42.76616, -92.66336 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 483.9 ft (147.5 m) |
| Max Span | 97.1 ft (29.6 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 1755.2 sq m |
| Main Spans | 5 |
| Year Built | 1992 |
Traffic
| Avg Daily Traffic | 2,010 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000016721 |