310th ST over Robinson Creek
Good Condition26 years old49 vehicles/day
Location
| State | Iowa |
| County | Delaware |
| Location | 087061903 |
| Carries | 310th ST |
| Crosses | Robinson Creek |
| Coordinates | 42.34005, -91.58197 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 103.0 ft (31.4 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 317.1 sq m |
| Main Spans | 3 |
| Year Built | 2000 |
Traffic
| Avg Daily Traffic | 49 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000140161 |