NB US 61 Ramp over Vacant Lots
Good Condition35 years old3,650 vehicles/day
Location
| State | Iowa |
| County | Dubuque |
| Location | In Dubuque At Kerper BLVD |
| Carries | NB US 61 Ramp |
| Crosses | Vacant Lots |
| Coordinates | 42.51153, -90.65749 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 580.1 ft (176.8 m) |
| Max Span | 160.1 ft (48.8 m) |
| Deck Width | 29.2 ft (8.9 m) |
| Deck Area | 1573.5 sq m |
| Main Spans | 4 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 3,650 (2022) |
| Truck Traffic | 12% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000601505 |