Herber RD over Little Maquoketa River
Good Condition11 years old1,910 vehicles/day
Location
| State | Iowa |
| County | Dubuque |
| Location | 090e22604 |
| Carries | Herber RD |
| Crosses | Little Maquoketa River |
| Coordinates | 42.57312, -90.70132 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 576.1 ft (175.6 m) |
| Max Span | 117.1 ft (35.7 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 1,756 sq m |
| Main Spans | 5 |
| 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 | 000000000148051 |