US 20 Ramps over Drainage Ditch
Good Condition38 years old1,010 vehicles/day
Location
| State | Iowa |
| County | Dubuque |
| Location | Jct US 20 & SR Y17 |
| Carries | US 20 Ramps |
| Crosses | Drainage Ditch |
| Coordinates | 42.43864, -90.93134 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 163.5 sq m |
| Main Spans | 2 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 1,010 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000605865 |