US 61 over Dd #15
Good Condition45 years old17,600 vehicles/day
Location
| State | Iowa |
| County | Clinton |
| Location | 2.4 Mi. S Of S Jct. US 30 |
| Carries | US 61 |
| Crosses | Dd #15 |
| Coordinates | 41.77478, -90.56749 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 101.1 sq m |
| Main Spans | 2 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 17,600 (2022) |
| Truck Traffic | 16% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000604510 |