Ia 946 SB over Valley ST
Good Condition36 years old3,400 vehicles/day
Location
| State | Iowa |
| County | Dubuque |
| Location | 0.5 Mi. S Of Jct. US 20 |
| Carries | Ia 946 SB |
| Crosses | Valley ST |
| Coordinates | 42.48553, -90.66369 |
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 | 149.9 ft (45.7 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 37.1 ft (11.3 m) |
| Deck Area | 516.4 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 3,400 (2022) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000606120 |