NB Ia 60 over 450th Street
Good Condition23 years old1,880 vehicles/day
Location
| State | Iowa |
| County | Sioux |
| Location | 0.9 Mi. N Of Jct. Ia 10 |
| Carries | NB Ia 60 |
| Crosses | 450th Street |
| Coordinates | 42.99699, -95.99379 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 169.0 ft (51.5 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 669.5 sq m |
| Main Spans | 3 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 1,880 (2022) |
| Truck Traffic | 34% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000608840 |