230th ST over US 20
Good Condition14 years old20 vehicles/day
Location
| State | Iowa |
| County | Sac |
| Location | 1.4 Mi. W Of Jct. SR M54 |
| Carries | 230th ST |
| Crosses | US 20 |
| Coordinates | 42.45830, -95.02094 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 323.2 ft (98.5 m) |
| Max Span | 106.6 ft (32.5 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 994.9 sq m |
| Main Spans | 4 |
| Year Built | 2012 |
Traffic
| Avg Daily Traffic | 20 (2022) |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000700075 |