WB US 20 over US 52 SB
Good Condition39 years old3,600 vehicles/day
Location
| State | Iowa |
| County | Dubuque |
| Location | At Jct. Ia 136 |
| Carries | WB US 20 |
| Crosses | US 52 SB |
| Coordinates | 42.46900, -91.11396 |
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 | 195.9 ft (59.7 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 51.2 ft (15.6 m) |
| Deck Area | 931.3 sq m |
| Main Spans | 3 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 3,600 (2022) |
| Truck Traffic | 24% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000605740 |