US 20 US 52 over Drainage Ditch
Fair Condition69 years old18,500 vehicles/day
Location
| State | Iowa |
| County | Dubuque |
| Location | 0.8 Mi. E Of Jct. SR Y21 |
| Carries | US 20 US 52 |
| Crosses | Drainage Ditch |
| Coordinates | 42.44047, -90.83474 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 178.1 sq m |
| Main Spans | 2 |
| Year Built | 1957 (reconstructed 1988) |
Traffic
| Avg Daily Traffic | 18,500 (2022) |
| Truck Traffic | 12% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000605960 |