Herber RD over Drainage Ditch
Good Condition11 years old1,910 vehicles/day
Location
| State | Iowa |
| County | Dubuque |
| Location | R1et89n35 |
| Carries | Herber RD |
| Crosses | Drainage Ditch |
| Coordinates | 42.57188, -90.69854 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 31.5 ft (9.6 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 105.6 sq m |
| Main Spans | 3 |
| Year Built | 2015 |
Traffic
| Avg Daily Traffic | 1,910 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000366165 |